pigman
Member
I have a 400 CID stroked to 470 CID with .450 lift, rollers, 3 inch pipes, etc ... The problem is that when she gets hot she quits.
I can immediately pour some gas down the big Holley and she will fire up and burn, but then dies.
I think that means my MSD 6AL is doing the job. (I am thinking vapor lock)
I wonder if it's as simple as a bad gas cap? What does a 1972 Roadrunner use for it's gas cap? I.E. vented or unventilated? The one that is on there is about 12 years old so I don't mind replacing it.
I put 3 inch pipes on the headers and ran em to the back .. wonder if they are too close to the metal fuel line?
Could the mechanical fuel pump work ok cold and then quit when it gets hot?
I have considered insulating the fuel lines and may look into a heat blocker of some kind where the metal fuel lines run across the engine block.
Any help would be appreciated. http://www.tpigman.com/plymouth/rr.html
I can immediately pour some gas down the big Holley and she will fire up and burn, but then dies.
I think that means my MSD 6AL is doing the job. (I am thinking vapor lock)
I wonder if it's as simple as a bad gas cap? What does a 1972 Roadrunner use for it's gas cap? I.E. vented or unventilated? The one that is on there is about 12 years old so I don't mind replacing it.
I put 3 inch pipes on the headers and ran em to the back .. wonder if they are too close to the metal fuel line?
Could the mechanical fuel pump work ok cold and then quit when it gets hot?
I have considered insulating the fuel lines and may look into a heat blocker of some kind where the metal fuel lines run across the engine block.
Any help would be appreciated. http://www.tpigman.com/plymouth/rr.html