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is the return fuel line necessary #602663 02/03/10 05:49 PM 02/03/10 05:49 PM
Joined: Aug 2006 Posts: 213 fresno H hyefatman OP enthusiast
hyefatman OP enthusiast H Joined: Aug 2006 Posts: 213 fresno	on a big block mopar or it it just for smog?

Re: is the return fuel line necessary [Re: hyefatman] #602664 02/03/10 05:52 PM 02/03/10 05:52 PM
Joined: May 2005 Posts: 639 Wilmington, NC donbarnes Not THAT Don Barnes!!
donbarnes Not THAT Don Barnes!! Joined: May 2005 Posts: 639 Wilmington, NC	I just put mine back in in stainless on my smallblock A-body on the assumption that the fuel tank needed that line for venting , I didn't see any other form of tank vent on mine..

Re: is the return fuel line necessary [Re: donbarnes] #602665 02/03/10 06:01 PM 02/03/10 06:01 PM
Joined: Aug 2006 Posts: 213 fresno H hyefatman OP enthusiast
hyefatman OP enthusiast H Joined: Aug 2006 Posts: 213 fresno	this is the line that goes from the fuel filter back to the gas tank

Re: is the return fuel line necessary [Re: donbarnes] #602666 02/03/10 06:01 PM 02/03/10 06:01 PM
Joined: Mar 2007 Posts: 39 CA Steve383 member
Steve383 member Joined: Mar 2007 Posts: 39 CA	Are we talking a fuel injection system or a carb? Mechinacal pump or Electric? Where is the fuel filter located exactly and the year / model of vehicle would also be helpful. Last edited by Steve383; 02/03/10 06:03 PM.

Re: is the return fuel line necessary [Re: hyefatman] #602667 02/03/10 06:03 PM 02/03/10 06:03 PM
Joined: Jan 2010 Posts: 27 N newem member
newem member N Joined: Jan 2010 Posts: 27	It helps eliminate vapor lock.

Re: is the return fuel line necessary [Re: newem] #602668 02/03/10 06:15 PM 02/03/10 06:15 PM
Joined: Aug 2006 Posts: 213 fresno H hyefatman OP enthusiast
hyefatman OP enthusiast H Joined: Aug 2006 Posts: 213 fresno	carb --vapor lock ? i do not have the line on my 340 or 318 or 383 cars

Re: is the return fuel line necessary [Re: hyefatman] #602669 02/03/10 06:27 PM 02/03/10 06:27 PM
Joined: Jan 2010 Posts: 27 N newem member
newem member N Joined: Jan 2010 Posts: 27	I think they were only used on the 440's and Hemi's. At least in 1970 they were.

Re: is the return fuel line necessary [Re: newem] #602670 02/03/10 06:49 PM 02/03/10 06:49 PM
Joined: Feb 2003 Posts: 21,318 Manitoba, Canada DaytonaTurbo Too Many Posts
DaytonaTurbo Too Many Posts Joined: Feb 2003 Posts: 21,318 Manitoba, Canada	It's a vapor seperator, helps prevent vapor lock and sends the fuel vapors back to the gas tank. You can eliminate this piece and the return line but I would not suggest it.

Re: is the return fuel line necessary [Re: hyefatman] #602671 02/03/10 08:36 PM 02/03/10 08:36 PM
Joined: Feb 2005 Posts: 28,312 Cincinnati, Ohio Challenger 1 Too Many Posts
Challenger 1 Too Many Posts Joined: Feb 2005 Posts: 28,312 Cincinnati, Ohio	Quote: carb --vapor lock ? i do not have the line on my 340 or 318 or 383 cars They were used on the bigger engines that needed higher volumes of gas,they were more prone to vapor lock. It a great thing to have with any size engine exspecially with todays gas.

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