Matronics Email Lists :: View topic - Q on sump fit on O- & IO-360's

Matronics Email Lists
Web Forum Interface to the Matronics Email Lists

Get Email Distribution Too! FAQ Search Memberlist Usergroups Register

Profile Log in to check your private messages Log in

Q on sump fit on O- & IO-360's

Matronics Email Lists Forum Index -> RV-List

View previous topic :: View next topic

Author Message

ceengland(at)bellsouth.ne
Guest

Posted: Sun Mar 30, 2008 5:28 pm Post subject: Q on sump fit on O- & IO-360's

Anyone know whether the various sumps for Lyc 360 engines are 

interchangeable between the parallel valve & angle valve engines?



I've got a parallel valve engine & a chance to purchase a sump off an 

angle valve engine (no p/n supplied for the sump).



Seems unlikely that the original intake tubes would fit, but will they? 

If not, are the sumps 'standardized' on inlet tube position so parallel 

valve tubes would be available to fit?



Thanks,



Charlie

- The Matronics RV-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?RV-List

gyoung

Joined: 09 Jan 2006
Posts: 211
Location: Republic of Texas

Posted: Sun Mar 30, 2008 10:12 pm Post subject: Q on sump fit on O- & IO-360's

The bolt pattern for the sumps are the same on parallel 320's, 360's and

angle valve 360's. As you surmised the problem is the intake tubes. The

angle valve sump tubes use an O-ring and insert into the sump. The parallel

sump tubes mate with an external sleeve. The geometry is also different. The

exhaust flange on the parallel cylinders are ~1/4" higher than the angle

valve cylinders requiring at minimum a spacer with extra exhaust gaskets and

possibly longer studs to use the angle valve tubes. There may be other

issues depending on which sump you use. I put a C model sump on my first RV.

It's tubes mount further aft that the A model. I had to cut and re-weld 2 of

the tubes along with using the spacers. The C sump also required an oddball

exhaust and modification to my mount. I would not do it again and don't

recommend it. It's possible a poor fit might have caused an induction leak

and contributed to my accident.



The good news is that you can now buy the proper tubes to use the A model

angle valve sump on a parallel engine. They are not cheap but at least they

are plug-and-play. A friend got his from Aerosport. Last year I bought a

sump with stainless tubes from SuperFlight for about $2600. I don't know if

they sell the tubes separately from the sump. I didn't see it on the

SuperFlight site right now. I think they split their engine business off

under another name. Try this link

www.aeroinstock.com/products/Oil-Sump320%252F360/6160/0/product_cat/index.ht

ml or call SuperFlight.



Regards,

Greg Young

 



[quote] --

- The Matronics RV-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?RV-List

ceengland(at)bellsouth.ne
Guest

Posted: Mon Mar 31, 2008 5:08 pm Post subject: Q on sump fit on O- & IO-360's

Thanks; good info. What did you have to do to your mount, & was your's a 

trike or TD? (mine's a TD)



Charlie



Greg Young wrote:

[quote] 



 The bolt pattern for the sumps are the same on parallel 320's, 360's and

 angle valve 360's. As you surmised the problem is the intake tubes. The

 angle valve sump tubes use an O-ring and insert into the sump. The parallel

 sump tubes mate with an external sleeve. The geometry is also different. The

 exhaust flange on the parallel cylinders are ~1/4" higher than the angle

 valve cylinders requiring at minimum a spacer with extra exhaust gaskets and

 possibly longer studs to use the angle valve tubes. There may be other

 issues depending on which sump you use. I put a C model sump on my first RV.

 It's tubes mount further aft that the A model. I had to cut and re-weld 2 of

 the tubes along with using the spacers. The C sump also required an oddball

 exhaust and modification to my mount. I would not do it again and don't

 recommend it. It's possible a poor fit might have caused an induction leak

 and contributed to my accident.



 The good news is that you can now buy the proper tubes to use the A model

 angle valve sump on a parallel engine. They are not cheap but at least they

 are plug-and-play. A friend got his from Aerosport. Last year I bought a

 sump with stainless tubes from SuperFlight for about $2600. I don't know if

 they sell the tubes separately from the sump. I didn't see it on the

 SuperFlight site right now. I think they split their engine business off

 under another name. Try this link

 www.aeroinstock.com/products/Oil-Sump320%252F360/6160/0/product_cat/index.ht

 ml or call SuperFlight.



 Regards,

 Greg Young

  



   

> --

- The Matronics RV-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?RV-List

gyoung

Joined: 09 Jan 2006
Posts: 211
Location: Republic of Texas

Posted: Mon Mar 31, 2008 7:07 pm Post subject: Q on sump fit on O- & IO-360's

Charlie,



Mine is a -6 taildragger. I've attached a picture that shows the mod that I

had to make on the engine mount. The IO-360-C sump has the intake tubes much

further aft than most of the others and there was virtually no clearance

without the mod. If you compare your sump to the picture the difference is

very apparent. The C sump is also magnesium. The IO-360-A1A sump is the most

common forward facing. That's what I got from AERO/Superflight. It gives you

the equivalent of the IO-360-M1B forward facing parallel engine and you can

use exhausts made for it. I got the 4 into 1 from Aerospace Welding. I

haven't fit it to the engine yet but it is beautifully built.

http://www.awi-ami.com/4%20into%201%20exhaust.htm



Regards,

Greg Young

 



[quote] --

- The Matronics RV-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?RV-List

C_Sump_and_mount_mod.jpg

Description:

Filesize:

121.58 KB

Viewed:

212 Time(s)

Display posts from previous:

	Matronics Email Lists Forum Index -> RV-List	All times are GMT - 8 Hours
Page 1 of 1

Jump to:

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You cannot attach files in this forum
You can download files in this forum