OLD TRUCK, SWAPPED MOTOR TO A 455 BIG BLOCK, HAVING VAPOR LOCKING PROBLEMS, ANY SUGGESTIONS?
1975 Chevrolet Cheyenne
I can easily work on this truck, just a little short on time and money, any suggestions that don't involve moving the fuel line, or pushing it off a cliff?
have the same problem?
Saturday, September 3rd, 2011 AT 5:38 AM
If its actually vapor locking-seal the fuel pump area and see if it helps
Saturday, September 3rd, 2011 AT 10:58 AM
A true vapor lock is the fuel boiling due to being too close to a heat source. I doubt that is really your problem. It's much more common for a mechanical fuel pump to suck in air due to a porous fuel line somewhere between the pump and the tank.
Saturday, September 3rd, 2011 AT 12:14 PM
I know exactly where my problem is, just don't have the time or money to move the fuel line, it has an electric fuel pump that I have had pressure tested, so I know it's a true vapor lock, would wrapping my exhaust manifold help? Or make my problem worse?