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Tygon F4040A FUEL LINE

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Thom Riddle

Joined: 10 Jan 2006
Posts: 1597
Location: Buffalo, NY, USA (9G0)

Posted: Tue Sep 09, 2008 3:19 am Post subject: Tygon F4040A FUEL LINE

I'm back home and catching up on email and Kolb stuff and saw my name mentioned.



St. Gobain, the mfr of Tygon tells me that their Tygon F4040 formula

yellow translucent line is designed specifically for gasoline and

other petroleum products and is compatible with E10. It is rated down

to -35 degrees F and up to 165 degrees F. Not recommended for enclosed

cowl engines due to the hot environment often encountered therein, but

good for locations that don't get that hot.



On the Rotax List, there is a discussion of this topic and one lister

said that he was not happy with this line but I'm not sure he is using

F4040A. Perhaps he is using another Tygon, of which there are many

formulations. He is testing another formulation now. Check the Rotax

List for more on this.



Thom in Buffalo

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_________________
Thom Riddle
Buffalo, NY (9G0)

Don't worry about old age... it doesn't last very long.
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Dana

Joined: 13 Dec 2007
Posts: 1047
Location: Connecticut, USA

Posted: Tue Sep 09, 2008 3:41 am Post subject: Tygon F4040A FUEL LINE

At 07:18 AM 9/9/2008, Thomas R. Riddle wrote:

 	  Quote: 	
		  ...Perhaps he is using another Tygon, of which there are many

formulations. He is testing another formulation now...


	


There are many formulations of tubing sold under the Tygon brand name, but 

the F4040 "fuel and lubricant tubing" is the only one they recommend for 

fuel containing ethanol.  It is, I believe, the only Tygon brand tubing 

with the yellow color.  There is also at least one other manufacturer 

making a yellow "fuel tubing", but my experience is that the other brand 

(at least the other brand sold by McMaster) is inferior.



I still prefer the blue Bing line.



-Dana



--

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beauford

Joined: 25 Apr 2007
Posts: 127
Location: Brandon, FL

Posted: Tue Sep 09, 2008 5:02 pm Post subject: Re: Tygon F4040A FUEL LINE

Brother Hague:

Had an interesting experience with the blue Bing down here... In service, it became the Brown Bing... and in some instances, the Black Bing with a brown furry side dish after about 5 months on the job.  The puzzling aspect of the situation was that the clear Tygon fuel line pieces installed in the same system for the same period of time yellowed a little, but remained clean and unaffected inside.  They were still soft and flexible.  The attached photo shows the strange deterioration of the blue line, along with samples of the new blue stuff from the same batch of the corrupted Bing line and another batch of blue line obtained from another source.



I have no idea what caused this.  I use only Amoco Premium gas and PZ air cooled oil.   I changed out the lines with clear Tygon and have had no recurrence of this problem



Worth what ye paid fer it...



Non-Blue beauford

FF-076

Brandon, FL

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DAquaNut(at)aol.com
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Posted: Tue Sep 09, 2008 6:33 pm Post subject: Tygon F4040A FUEL LINE

In a message dated 9/9/2008 6:41:49 A.M. Central Daylight Time,  d-m-hague(at)comcast.net writes:

  	  Quote: 	
		  

I    still prefer the blue Bing    line.



-Dana

              	
         I just replaced my fuel line  with blue tubing I got from LEAF. It has , B.A. I. on it  Any idea what the  B.A.I. stands for? I used this line for a year and a half and it still seemed  strong and reasonably soft

  

  

           Ed  D.

  

  	  Quote: 	
		  

 	


Psssst...Have you heard the news? There's a new fashion blog, plus the latest fall trends and hair styles at StyleList.com.

  [quote][b]

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Dana

Joined: 13 Dec 2007
Posts: 1047
Location: Connecticut, USA

Posted: Tue Sep 09, 2008 6:33 pm Post subject: Tygon F4040A FUEL LINE

At 09:03 PM 9/9/2008, beauford wrote:



 	  Quote: 	
		  Had an interesting experience with the blue Bing down here... In service, 

it became the Brown Bing... and in some instances, the Black Bing with a 

brown furry side dish after about 5 months on the job...


	


Interesting.  The blue line that was on my Ultrastar when I bought it 

looked like that, but I don't know how old it was.  OTOH I have some blue 

line on one of my PPG's and several years later it looks and feels just 

like new.



I wonder if it's not chemical, but UV damage that does the clear tubing in?



-Dana



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Dana

Joined: 13 Dec 2007
Posts: 1047
Location: Connecticut, USA

Posted: Tue Sep 09, 2008 7:48 pm Post subject: Tygon F4040A FUEL LINE

At 10:31 PM 9/9/2008, DAquaNut(at)aol.com wrote:

  	  Quote: 	
		     

         I just replaced my fuel line with blue tubing I got from LEAF. It has , B.A. I. on it  Any idea what the B.A.I. stands for? I used this line for a year and a half and it still seemed strong and reasonably soft

  	


 B.A.I. = Bing Agency International



 -Dana

 --

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