Which Gas Tank?
Thread Starter
4th Gear
Joined: May 2005
Posts: 4
Likes: 0
Which Gas Tank?
I have a 68 that decided to drain its own gas while it was up on the rack getting new exhaust. Thankfully they didn't have a torch lit at the time.
So I dropped the original tank... it has the vapor return line, but it isn't hooked to anything up front.
Should I replace the tank with the original type and plug the vapor return line or should I get a tank that doesn't have it at all?
So I dropped the original tank... it has the vapor return line, but it isn't hooked to anything up front.
Should I replace the tank with the original type and plug the vapor return line or should I get a tank that doesn't have it at all?
Drifting
Joined: Oct 2007
Posts: 1,317
Likes: 22
From: Marina CA
Where was the leak? At the tank or up at the fuel pump area where the vapor line ends.
My 68 originally had a 390-427 so it had the vapor line. Now has a 435-427 so the vapor line is capped and clamped.
Rochester Q-jet cars had the vapor line, Holley equipped cars did not have the vapor line.
My 68 originally had a 390-427 so it had the vapor line. Now has a 435-427 so the vapor line is capped and clamped.
Rochester Q-jet cars had the vapor line, Holley equipped cars did not have the vapor line.
Pro
Joined: Feb 2008
Posts: 556
Likes: 13
From: C3 Forum, Colorado
Vapor return line.
My $.02 would be to replace it with a correct one with the vapor return line otherwise you'll still have the return line plumbed down the frame rail dead ended on both ends serving absolutely no purpose.
It may not be hooked up to anything now but maybe you or someone else might use it in the future as a fuel return for a fuel injection system or to put it back to the factory configuration.
It may not be hooked up to anything now but maybe you or someone else might use it in the future as a fuel return for a fuel injection system or to put it back to the factory configuration.
Thread Starter
4th Gear
Joined: May 2005
Posts: 4
Likes: 0
Thread Starter
4th Gear
Joined: May 2005
Posts: 4
Likes: 0
My $.02 would be to replace it with a correct one with the vapor return line otherwise you'll still have the return line plumbed down the frame rail dead ended on both ends serving absolutely no purpose.
It may not be hooked up to anything now but maybe you or someone else might use it in the future as a fuel return for a fuel injection system or to put it back to the factory configuration.
It may not be hooked up to anything now but maybe you or someone else might use it in the future as a fuel return for a fuel injection system or to put it back to the factory configuration.
Probably best to stick with the original either way.
Race Director
Joined: May 2006
Posts: 16,528
Likes: 53
From: Dayton, Ohio
Since the return doesn't carry pressure a rubber line over to whats left of the steel line should be fine.If your not judging the car you could buy a 3 port pump and take advantage of the return fuel,especially if your in a hot area.
Corvette Stories
The Best of Corvette for Corvette Enthusiasts
Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)
Joe Kucinski
Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!
Verdad Gallardo
Top 10 Corvettes Coming to Mecum Indy 2026!
Brett Foote
Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!
Michael S. Palmer
10 Revolutionary 'Corvette Firsts' Most People Don't Know
Joe Kucinski
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2
Michael S. Palmer
2027 Corvette vs The World: Every C8 vs Its Closest Competitor
Joe Kucinski
10 Most Common Corvette Problems of the Last 20 Years!
Joe Kucinski
5 MOST and 5 LEAST Popular Corvette Model Years in History!
Joe Kucinski
Thread Starter
4th Gear
Joined: May 2005
Posts: 4
Likes: 0
I understand that it is to prevent Vapor Lock, but what symptoms would I be looking for? I don't think I have ever experienced vapor lock, but if it is just reduced power, I may have just missed it.