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garrys(at)tampabay.rr.com
Guest

Posted: Wed Apr 18, 2007 3:37 am Post subject: Sun N'Fun "Must haves"?

I spent a full day walking around the vendor booths  at Sun N'Fun yesterday, and found some interesting sales pitches.  A few of  the items actually caught my interest............Air Wolf air/oil  separator,  GAMI fuel injectors,  and 4 into 1 Exhaust systems.   I'd appreciate any feedback from the group as to the value of these items, if  indeed I should even consider them, and what real world experience folks might  have with using them.

  

 Garry Stout

 RV-7A  IO-360

 Tampa, Florida

  

 [quote] [b]

painterjd(at)gmail.com
Guest

Posted: Wed Apr 18, 2007 4:07 am Post subject: Sun N'Fun "Must haves"?

On 4/18/07, Garry <garrys(at)tampabay.rr.com (garrys(at)tampabay.rr.com)> wrote: 	  Quote: 	
		          I spent a full day walking around the vendor booths  at Sun N'Fun yesterday, and found some interesting sales pitches.  A few of  the items actually caught my interest............Air Wolf air/oil  separator,  GAMI fuel injectors,  and 4 into 1 Exhaust systems.   I'd appreciate any feedback from the group as to the value of these items, if  indeed I should even consider them, and what real world experience folks might  have with using them.

 

	




Before plunking down a chunk of change for the 4-into-1 exhaust I would double-check that it's doable with the nosegear leg/engine mount on your -7A.



do not archive



Jamie

 

-- 

Jamie D. Painter

RV-7A N622JP

http://rv.jpainter.org  [quote][b]

billshook2000(at)yahoo.co
Guest

Posted: Wed Apr 18, 2007 6:42 am Post subject: Sun N'Fun "Must haves"?

 	  Quote: 	
		   Before plunking down a chunk of change for the 4-into-1 exhaust I would

 double-check that it's doable with the nosegear leg/engine mount on your

 -7A.


	




 	  Quote: 	
		  From what I've heard, it would be better to just move that wheel to the rear.  I'm told

that this change also helps level the human body such that it naturally produces more
	


testosterone.  Also, just the name "nosegear" just sounds backwards.  Gear...hanging

from your nose?  I don't get it, makes me want to reach for a hanky.  



Yeah, get your 4 into 1.  Move the nose gear to the rear.



Bill

-4 stalled 



__________________________________________________

pitts_pilot(at)bellsouth.
Guest

Posted: Mon Apr 23, 2007 9:43 am Post subject: Sun N'Fun "Must haves"?

Garry wrote:

  	  Quote: 	
		           (at)page Section1 {size: 8.5in 11.0in; margin: 1.0in 1.25in 1.0in 1.25in; } P.MsoNormal { 	FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman" } LI.MsoNormal { 	FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman" } DIV.MsoNormal { 	FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman" } A:link { 	COLOR: blue; TEXT-DECORATION: underline } SPAN.MsoHyperlink { 	COLOR: blue; TEXT-DECORATION: underline } A:visited { 	COLOR: purple; TEXT-DECORATION: underline } SPAN.MsoHyperlinkFollowed { 	COLOR: purple; TEXT-DECORATION: underline } SPAN.EmailStyle17 { 	COLOR: windowtext; FONT-FAMILY: Arial; mso-style-type: personal-compose } DIV.Section1 { 	page: Section1 }      I spent a full day walking around the vendor booths at Sun N'Fun yesterday, and found some interesting sales pitches.  A few of the items actually caught my interest............Air Wolf air/oil separator,

 	
 Save your money.  If you have a problem with oil on the belly, try lowering the oil level one or two quarts.  If it's due to blow by .... you need to do a top .... the rings are shot.  Some oil may be going past the valves too.  If you decide to waste your money .... it's a cover-up for things that are wrong ..... stick the 'return' hose down in a can that you can empty ..... not back to the engione.

  	  Quote: 	
		       GAMI fuel injectors,

 	
 Good idea .... but there's an 'experimental' version out there that will do the same thing at less cost.

 Linn

 do not archive

 [quote]     and 4 into 1 Exhaust systems.  I'd appreciate any feedback from the group as to the value of these items, if indeed I should even consider them, and what real world experience folks might have with using them.

    

   Garry Stout

   RV-7A  IO-360

   Tampa, Florida

    

 [b]

jsflyrv(at)verizon.net
Guest

Posted: Mon Apr 23, 2007 4:32 pm Post subject: Sun N'Fun "Must haves"?

Linn I agree with what you say about the need for an oil separator but 

another way for oil to get to the bottom side of our airplanes is doing 

aerobatics

with out an inverted oils system. There does not necessarily have to be 

anything wrong with the engine to have oil on the bottom side.

Do not archive

linn Walters wrote:

 	  Quote: 	
		   Garry wrote:

> I spent a full day walking around the vendor booths at Sun N'Fun 

> yesterday, and found some interesting sales pitches.  A few of the 

> items actually caught my interest............Air Wolf air/oil separator,

 Save your money.  If you have a problem with oil on the belly, try 

 lowering the oil level one or two quarts.  If it's due to blow by .... 

 you need to do a top .... the rings are shot.  Some oil may be going 

 past the valves too.  If you decide to waste your money .... it's a 

 cover-up for things that are wrong ..... stick the 'return' hose down 

 in a can that you can empty ..... not back to the engione.

>   GAMI fuel injectors,

 Good idea .... but there's an 'experimental' version out there that 

 will do the same thing at less cost.

 Linn

 do not archive

>   and 4 into 1 Exhaust systems.  I'd appreciate any feedback from the 

> group as to the value of these items, if indeed I should even 

> consider them, and what real world experience folks might have with 

> using them.

>  

> Garry Stout

> RV-7A  IO-360

> Tampa, Florida

>  

------------------------------------------------------------------------

pitts_pilot(at)bellsouth.
Guest

Posted: Mon Apr 23, 2007 6:04 pm Post subject: Sun N'Fun "Must haves"?

Point made.  I was addressing more normal operation.  If you're prone to 

doing aerobatics without inverted systems ..... maybe a crankcase vent 

routed to the tail is in order.  My biggest gripe with the separators 

(all of them) is the modification to get the recovered oil back into the 

engine and the acids that get recirculated also.  The more wear on the 

engine, the worse that crap gets.  Most separator users follow the 

instructions and return the recovered stuff to the engine and never see 

what's being recovered.  I have.  It's nasty.

Linn



Jerry Springer wrote:



 	  Quote: 	
		   



 Linn I agree with what you say about the need for an oil separator but 

 another way for oil to get to the bottom side of our airplanes is 

 doing aerobatics

 with out an inverted oils system. There does not necessarily have to 

 be anything wrong with the engine to have oil on the bottom side.



 Do not archive



 linn Walters wrote:



> Garry wrote:

>

>> I spent a full day walking around the vendor booths at Sun N'Fun 

>> yesterday, and found some interesting sales pitches.  A few of the 

>> items actually caught my interest............Air Wolf air/oil 

>> separator,

> Save your money.  If you have a problem with oil on the belly, try 

> lowering the oil level one or two quarts.  If it's due to blow by 

> .... you need to do a top .... the rings are shot.  Some oil may be 

> going past the valves too.  If you decide to waste your money .... 

> it's a cover-up for things that are wrong ..... stick the 'return' 

> hose down in a can that you can empty ..... not back to the engione.

>

>>   GAMI fuel injectors,

> Good idea .... but there's an 'experimental' version out there that 

> will do the same thing at less cost.

> Linn

> do not archive

>

>>   and 4 into 1 Exhaust systems.  I'd appreciate any feedback from 

>> the group as to the value of these items, if indeed I should even 

>> consider them, and what real world experience folks might have with 

>> using them.

>>  

>> Garry Stout

>> RV-7A  IO-360

>> Tampa, Florida

>>  

>

> ------------------------------------------------------------------------

>

>  

>

pilots2(at)yahoo.com
Guest

Posted: Mon Apr 23, 2007 10:09 pm Post subject: Sun N'Fun "Must haves"?

Linn,



What experimental GAMI Clones????  How bout a name and web site please.



Reuven Silberman

7A  IO360 CS



linn Walters <pitts_pilot(at)bellsouth.net> wrote:[quote] --> RV-List message posted by: linn Walters 



Point made.  I was addressing more normal operation.  If you're prone to 

doing aerobatics without inverted systems ..... maybe a crankcase vent 

routed to the tail is in order.  My biggest gripe with the separators 

(all of them) is the modification to get the recovered oil back into the 

engine and the acids that get recirculated also.  The more wear on the 

engine, the worse that crap gets.  Most separator users follow the 

instructions and return the recovered stuff to the engine and never see 

what's being recovered.  I have.  It's  nasty.

Linn



Jerry Springer wrote:



[quote] --> RV-List message posted by: Jerry Springer 



 Linn I agree with what you say about the need for an oil separator but 

 another way for oil to get to the bottom side of our airplanes is 

 doing aerobatics

 with out an inverted oils system. There does not necessarily have to 

 be anything wrong with the engine to have oil on the bottom side.



 Do not archive



 linn Walters wrote:



> Garry wrote:

>

>> I spent a full day walking around the vendor booths at Sun N'Fun 

>> yesterday, and found some interesting sales pitches.  A few of the 

>> items actually caught my interest............Air Wolf air/oil 

>> separator,

> Save your money.  If you have a problem with oil on the belly, try 

> lowering the oil  level one or two quarts.  If it's due to blow by 

> .... you need to do a top .... the rings are shot.  Some oil may be 

> going past the valves too.  If you decide to waste your money .... 

> it's a cover-up for things that are wrong ..... stick the 'return' 

> hose down in a can that you can empty ..... not back to the engione.

>

>>   GAMI fuel injectors,

> Good idea .... but there's an 'experimental' version out there that 

> will do the same thing at less cost.

> Linn

> do not archive

>

>>   and 4 into 1 Exhaust systems.  I'd appreciate any feedback from 

>> the group as to the value of these items, if indeed I should even 

>> consider them, and what real world experience folks might have with 

>> using them.

>>  

>> Garry Stout

>> RV-7A  [quote][b]

neal.george(at)mchsi.com
Guest

Posted: Tue Apr 24, 2007 2:36 am Post subject: Sun N'Fun "Must haves"?

Reuven - 

  

 I suspect Linn's referring to Airflow Performance.   If you buzz over to Spartanburg, they'll tune your fuel system while you  watch or help, run you thru the factory and give you a seminar on fuel  systems.

  

 http://www.airflowperformance.com/

  

 Neal

 RV-7  N8ZG (Cowling...at last)

  

 do not  archive



   From: owner-rv-list-server(at)matronics.com  [mailto:owner-rv-list-server(at)matronics.com] On Behalf Of Reuven  Silberman

Sent: Tuesday, April 24, 2007 1:08 AM

To:  rv-list(at)matronics.com

Subject: Re: Sun N'Fun "Must  haves"?

 

Linn,



What experimental GAMI Clones????  How bout a name  and web site please.



Reuven Silberman

7A  IO360  CS



    [quote][b]

dwight(at)openweave.org
Guest

Posted: Tue Apr 24, 2007 5:11 am Post subject: Sun N'Fun "Must haves"?

I don't know if it is what Linn was talking about, but I know that

Airflow Performance (in Spartanburg, SC) will work with folks to

juggle the flow restrictors in the injector nozzles to flow balance

the system.



This is done by taking data during test flights, making adjustments

to the appropriate nozzles, then test flying again to check the results.

Iterate a few times to zero in on getting the balance as close as

possible .... and you are good to go.



Don Rivera at API can work with you remotely (i.e. you test fly, take

your data, talk with them about making adjustments, and they send you

new flow restrictors) or you can fly to API and they'll work with you

there to get it nailed down. The downside of doing it remotely is, if

I am not mistaken, you end up buying a few restrictors you don't end

up using as you iterate through the test process. The actual swapping

of the flow restrictors is a trivial operation. 



If Linn had something else in mind, I'll be interested in hearing about

it too.



  -- Dwight



On Tue Apr 24 02:08:14 2007, Reuven Silberman wrote :

 	  Quote: 	
		  Linn,



What experimental GAMI Clones????  How bout a name and web site please.



Reuven Silberman

7A  IO360 CS

pitts_pilot(at)bellsouth.
Guest

Posted: Tue Apr 24, 2007 8:37 am Post subject: Sun N'Fun "Must haves"?

OK, go ahead and embarrass me!!!  The reason I left that info out .... I've forgotten the particulars.  Search the archives.  The post was from a fellow that bought GAMIs and had problems ..... they sent out injectors over and over again .... and they never worked right.  If I remember correctly, the whole GAMI injector needs to be removed and replaced .... not easy on a hot engine.  He finally gave up on GAMIs and got his money back.  The 'experimental' injector has a replaceable insert with different size orifices and was easily swapped out.  Problem was .... they didn't work perfectly either.  The problem was already either a lean or rich condition and they were trying to go in the same direction with the replacement injectors.  maybe someone else will come up with the specifics.  Sorry I can't remember more than that .... or which list it was on!!!

 Linn

 Reuven Silberman wrote:

 [quote]Linn,

 What experimental GAMI Clones????  How bout a name and web site please.

 Reuven Silberman

 7A  IO360 CS

   linn Walters <pitts_pilot(at)bellsouth.net> (pitts_pilot(at)bellsouth.net) wrote:    	  Quote: 	
		   --> RV-List message posted by: linn Walters 

 Point made. I was addressing more normal operation. If you're prone to 

 doing aerobatics without inverted systems ..... maybe a crankcase vent 

 routed to the tail is in order. My biggest gripe with the separators 

 (all of them) is the modification to get the recovered oil back into the 

 engine and the acids that get recirculated also. The more wear on the 

 engine, the worse that crap gets. Most separator users follow the 

 instructions and return the recovered stuff to the engine and never see     

 what's being recovered. I have. It's nasty.

 Linn

 Jerry Springer wrote:

 > --> RV-List message posted by: Jerry Springer 

 >

 > Linn I agree with what you say about the need for an oil separator but 

 > another way for oil to get to the bottom side of our airplanes is 

 > doing aerobatics

 > with out an inverted oils system. There does not necessarily have to 

 > be anything wrong with the engine to have oil on the bottom side.

 >

 > Do not archive

 >

 > linn Walters wrote:

 >

 >> Garry wrote:

 >>

 >>> I spent a full day walking around the vendor booths at Sun N'Fun 

 >>> yesterday, and found some interesting sales pitches. A few of the 

 >>> items actually caught my interest............Air Wolf air/oil 

 >>> separator,

 >>

 >>

 >> Save your money. If you have a problem with oil on the belly, try 

 >> lowering the oil level one or two quarts. If it's due to blow by 

 >> .... you need to do a top .... the rings are shot. Some oil may be 

 >> going past the valves too. If you decide to waste your money ... 

 >> it's a cover-up for things that are wrong ..... stick the 'return' 

 >> hose down in a can that you can empty ..... not back to the engione.

 >>

 >>> GAMI fuel injectors,

 >>

 >>

 >> Good idea .... but there's an 'experimental' version out there that 

 >> will do the same thing at less cost.

 >> Linn

 >> do not archive

 >>

 >>> and 4 into 1 Exhaust systems. I'd appreciate any feedback from 

 >>> the group as to the value of these items, if indeed I should even 

 >>> consider them, and what real world experience folks might have with 

 >>> using them.

 >>> 

 >>> Garry Stout

 >>> RV-7A       	  Quote: 	

 [b]

Deems Davis

Joined: 09 Jan 2006
Posts: 925

Posted: Tue Apr 24, 2007 9:22 am Post subject: Sun N'Fun "Must haves"?

When I went through the purchase of my engine, I researched this 

somewhat. I was set on having the GAMI injectors based upon reports I 

had received. When talking to my engine builder (Allen Barrett (at) BPA) he 

educated me about the differences between Continental and Lycoming. 

Basically the Continental induction system is not as efficient and 

benefits MORE from the GAMI's than the Lyc's do. Additionally, if you 

want to get that last measure of performance out of your engine, Don 

River (at) AFP has a wealth of information and a service to swap/tune 

injectors for his fuel injection system.  So If you've got a Lycoming 

the benefits of the GAMI's will not be as large. If you've got a 

Lycoming  AND AFP injection you're in good luck.



 Deems Davis # 406

Finishing - ( A Misnomer ! )

http://deemsrv10.com/



linn Walters wrote:

 	  Quote: 	
		   OK, go ahead and embarrass me!!!  The reason I left that info out .... 

 I've forgotten the particulars.  Search the archives.  The post was 

 from a fellow that bought GAMIs and had problems ..... they sent out 

 injectors over and over again .... and they never worked right.  If I 

 remember correctly, the whole GAMI injector needs to be removed and 

 replaced .... not easy on a hot engine.  He finally gave up on GAMIs 

 and got his money back.  The 'experimental' injector has a replaceable 

 insert with different size orifices and was easily swapped out.  

 Problem was .... they didn't work perfectly either.  The problem was 

 already either a lean or rich condition and they were trying to go in 

 the same direction with the replacement injectors.  maybe someone else 

 will come up with the specifics.  Sorry I can't remember more than 

 that ..... or which list it was on!!!

 Linn

 *

 *

cjensen(at)dts9000.com
Guest

Posted: Tue Apr 24, 2007 9:39 am Post subject: Sun N'Fun "Must haves"?

Linn,

 Sounds remarkably  similar to my posting some ages ago....   On an IO-540, I had switched  out in excess of 35 GAMI injectors.  To their credit, they kept at it and  would reanalyze the problem each time I sent in new lean test data, yet the next  round of injectors seem to have little effect.  By chance, I made contact  with AFP and Don suggested that I fly over there (<1 hr) and he would  take a look.  He put my nozzle numbers into his "secret" spreadsheet (which  he'll show you) and it back-calculates pressures and flow, which in turn, makes  recommendations, in conjunction with Don's intuition and  experience, for the corrective injectors.  The first thing his program  showed was the back pressure on the injector system was less than 1.5  psig.  The flow diverter doesn't really start kicking in and doing its job  until the system sees about 3.0 psig.  In short, the total open area of my  injectors didn't allow sufficient backpressure for the system to work  properly.

 I converted to AFP's  system where the injector base is screwed into the engine and thereafter, you  only need undo the nut on the injector line and swap out the injector needle,  instead of unscrewing the entire injector body as with the GAMI  system.

 By change all of the  injectors to a couple sizes smaller, there was sufficient backpressure to allow  the diverter to work.  We went out and did a test flight, came back in,  changed two of the injectors out, did another test flight and sure enough,  the spread was down to about 0.2 gph and the improved smoothness was immediately  obvious.  The tip of the canard was rock steady, whereas previously, it  would vibrate continuously.

 Since it was late  afternoon and thunderstorms were parked over the mountains between Spartanburg  and Knoxville, Don suggested that I stay over and depart the next morning.   Suffice to say, Don is equally talented with a fork and sauces  for to-kill-for barbequed pork chops.  

 So, I'm a satisfied  customer of AFP, but have no quarrel with GAMI.  GAMI was very courteous  throughout the process and offered to refund my full purchase price but I  suggested a compromise where they keep 25% to cover at least some of their  postage.  GAMI has done some ground breaking engine work that has greatly  benefited the industry.  While their price may be a bit higher than AFP,  the cost difference is not out of line with their contribution to the  industry.  The bottom line is if you run injectors, balancing them and  running LOP is the best money you can spend, be it with AFP or  GAMI.

Chuck  Jensen   

 From: owner-rv-list-server(at)matronics.com  [mailto:owner-rv-list-server(at)matronics.com] On Behalf Of linn  Walters

 OK, go ahead and embarrass  me!!!  The reason I left that info out .... I've forgotten the  particulars.  Search the archives.  The post was from a fellow that  bought GAMIs and had problems ..... they sent out injectors over and over again  ... and they never worked right.  If I remember correctly, the whole GAMI  injector needs to be removed and replaced .... not easy on a hot engine.   He finally gave up on GAMIs and got his money back.  The 'experimental'  injector has a replaceable insert with different size orifices and was easily  swapped out.  Problem was .... they didn't work perfectly either.  The  problem was already either a lean or rich condition and they were trying to go  in the same direction with the replacement injectors.  maybe someone else  will come up with the specifics.  Sorry I can't remember more than that  .... or which list it was on!!!

Linn

Reuven Silberman wrote:

 [quote]Linn,

What experimental GAMI Clones????  How bout a    name and web site please.

Reuven Silberman

7A  IO360    CS

linn Walters <pitts_pilot(at)bellsouth.net> (pitts_pilot(at)bellsouth.net)    wrote:     	  Quote: 	
		  -->      RV-List message posted by: linn Walters 

Point made. I was addressing more normal      operation. If you're prone to 

doing aerobatics without inverted systems      ..... maybe a crankcase vent 

routed to the tail is in order. My biggest      gripe with the separators 

(all of them) is the modification to get the      recovered oil back into the 

engine and the acids that get recirculated      also. The more wear on the 

engine, the worse that crap gets. Most      separator users follow the 

instructions and return the recovered stuff      to the engine and never see 

what's being recovered. I have. It's      nasty.

Linn

Jerry Springer wrote:

 	  Quote: 	
		   --> RV-List      message posted by: Jerry Springer 

      Linn I agree with what you say about the need for an oil separator but      

 another way for oil to get to the bottom side of our airplanes is      

 doing aerobatics

 with out an inverted oils system. There      does not necessarily have to 

 be anything wrong with the engine to      have oil on the bottom side.

 Do not archive

      linn Walters wrote:

> Garry      wrote:

>

>> I spent a full day walking around the      vendor booths at Sun N'Fun 

>> yesterday, and found some      interesting sales pitches. A few of the 

>> items actually      caught my interest............Air Wolf air/oil 

>>      separator,

> Save your money. If you have      a problem with oil on the belly, try 

> lowering the oil level one      or two quarts. If it's due to blow by 

> .... you need to do a top      .... the rings are shot. Some oil may be 

> going past the valves      too. If you decide to waste your money .... 

> it's a cover-up for      things that are wrong ..... stick the 'return' 

> hose down in a      can that you can empty ..... not back to the      engione.

>

>> GAMI fuel      injectors,

> Good idea .... but there's an      'experimental' version out there that 

> will do the same thing at      less cost.

> Linn

> do not      archive

>

>> and 4 into 1 Exhaust systems. I'd      appreciate any feedback from 

>> the group as to the value of      these items, if indeed I should even 

>> consider them, and      what real world experience folks might have with 

>> using      them.

>> 

>> Garry Stout

>> RV-7A       	  Quote: 	

href="http://www.matronics.com/Navigator?RV-List">http://www.matronics.com/Navigator?RV-List

href="http://forums.matronics.com">http://forums.matronics.com

[b]

kahuna

Joined: 02 Feb 2007
Posts: 93

Posted: Tue Apr 24, 2007 10:47 am Post subject: Sun N'Fun "Must haves"?

Similar experience for me and AFP  

http://www2.mstewart.net:8080/super8/nozzles/index.htm  

Mike  

Do not archive  

From: owner-rv-list-server(at)matronics.com [mailto:owner-rv-list-server(at)matronics.com] On Behalf Of Chuck Jensen

 Sent: Tuesday, April 24, 2007 1:37 PM

 To: rv-list(at)matronics.com

 Subject: RE: Sun N'Fun "Must haves"?  

Linn,  

Sounds remarkably similar to my posting some ages ago....   On an IO-540, I had switched out in excess of 35 GAMI injectors.  To their credit, they kept at it and would reanalyze the problem each time I sent in new lean test data, yet the next round of injectors seem to have little effect.  By chance, I made contact with AFP and Don suggested that I fly over there (<1 hr) and he would take a look.  He put my nozzle numbers into his "secret" spreadsheet (which he'll show you) and it back-calculates pressures and flow, which in turn, makes recommendations, in conjunction with Don's intuition and experience, for the corrective injectors.  The first thing his program showed was the back pressure on the injector system was less than 1.5 psig.  The flow diverter doesn't really start kicking in and doing its job until the system sees about 3.0 psig.  In short, the total open area of my injectors didn't allow sufficient backpressure for the system to work properly.  

I converted to AFP's system where the injector base is screwed into the engine and thereafter, you only need undo the nut on the injector line and swap out the injector needle, instead of unscrewing the entire injector body as with the GAMI system.  

By change all of the injectors to a couple sizes smaller, there was sufficient backpressure to allow the diverter to work.  We went out and did a test flight, came back in, changed two of the injectors out, did another test flight and sure enough, the spread was down to about 0.2 gph and the improved smoothness was immediately obvious.  The tip of the canard was rock steady, whereas previously, it would vibrate continuously.  

Since it was late afternoon and thunderstorms were parked over the mountains between Spartanburg and Knoxville, Don suggested that I stay over and depart the next morning.  Suffice to say, Don is equally talented with a fork and sauces for to-kill-for barbequed pork chops.    

So, I'm a satisfied customer of AFP, but have no quarrel with GAMI.  GAMI was very courteous throughout the process and offered to refund my full purchase price but I suggested a compromise where they keep 25% to cover at least some of their postage.  GAMI has done some ground breaking engine work that has greatly benefited the industry.  While their price may be a bit higher than AFP, the cost difference is not out of line with their contribution to the industry.  The bottom line is if you run injectors, balancing them and running LOP is the best money you can spend, be it with AFP or GAMI.  

Chuck Jensen    

 From: owner-rv-list-server(at)matronics.com [mailto:owner-rv-list-server(at)matronics.com] On Behalf Of linn Walters

 OK, go ahead and embarrass me!!!  The reason I left that info out .... I've forgotten the particulars.  Search the archives.  The post was from a fellow that bought GAMIs and had problems ..... they sent out injectors over and over again .... and they never worked right.  If I remember correctly, the whole GAMI injector needs to be removed and replaced .... not easy on a hot engine.  He finally gave up on GAMIs and got his money back.  The 'experimental' injector has a replaceable insert with different size orifices and was easily swapped out.  Problem was .... they didn't work perfectly either.  The problem was already either a lean or rich condition and they were trying to go in the same direction with the replacement injectors.  maybe someone else will come up with the specifics.  Sorry I can't remember more than that ..... or which list it was on!!!

 Linn

 Reuven Silberman wrote:   	  Quote: 	

Linn,

 What experimental GAMI Clones????  How bout a name and web site please.

 Reuven Silberman

 7A  IO360 CS

 linn Walters <pitts_pilot(at)bellsouth.net> (pitts_pilot(at)bellsouth.net) wrote:   

--> RV-List message posted by: linn Walters 

 Point made. I was addressing more normal operation. If you're prone to 

 doing aerobatics without inverted systems ..... maybe a crankcase vent 

 routed to the tail is in order. My biggest gripe with the separators 

 (all of them) is the modification to get the recovered oil back into the 

 engine and the acids that get recirculated also. The more wear on the 

 engine, the worse that crap gets. Most separator users follow the 

 instructions and return the recovered stuff to the engine and never see 

 what's being recovered. I have. It's nasty.

 Linn

 Jerry Springer wrote:

 > --> RV-List message posted by: Jerry Springer 

 >

 > Linn I agree with what you say about the need for an oil separator but 

 > another way for oil to get to the bottom side of our airplanes is 

 > doing aerobatics

 > with out an inverted oils system. There does not necessarily have to 

 > be anything wrong with the engine to have oil on the bottom side.

 >

 > Do not archive

 >

 > linn Walters wrote:

 >

 >> Garry wrote:

 >>

 >>> I spent a full day walking around the vendor booths at Sun N'Fun 

 >>> yesterday, and found some interesting sales pitches. A few of the 

 >>> items actually caught my interest............Air Wolf air/oil 

 >>> separator,

 >>

 >>

 >> Save your money. If you have a problem with oil on the belly, try 

 >> lowering the oil level one or two quarts. If it's due to blow by 

 >> .... you need to do a top .... the rings are shot. Some oil may be 

 >> going past the valves too. If you decide to waste your money ... 

 >> it's a cover-up for things that are wrong ..... stick the 'return' 

 >> hose down in a can that you can empty ..... not back to the engione.

 >>

 >>> GAMI fuel injectors,

 >>

 >>

 >> Good idea .... but there's an 'experimental' version out there that 

 >> will do the same thing at less cost.

 >> Linn

 >> do not archive

 >>

 >>> and 4 into 1 Exhaust systems. I'd appreciate any feedback from 

 >>> the group as to the value of these items, if indeed I should even 

 >>> consider them, and what real world experience folks might have with 

 >>> using them.

 >>> 

 >>> Garry Stout

 >>> RV-7A    	  Quote: 	

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