What is the second line on a fuel pump for on a 1970 pontiac 350, and will it effect how the engine runs if capped off?

What is the second line on a fuel pump for on a 1970 pontiac 350, and will it effect how the engine runs if capped off? 1 Answer

71 350 has rough idle and very poor acceleration with some backfiring through the carb if I really get on it. 2 Answers

It is a 350 -2bbl originally, and 4bbl conversion many years ago by the looks of it. Starts well, but just has no acceleration. If I couldn't feel plenty of exhaust coming out of the pipes, I'd s...

1970 Lemans 350 4 speed 3 Answers

My 1970 Lemans intermittently bucks during acceleration. So far I have changed plugs, wires, distributor and rotor, gas filter, and most recently I replace the carburetor with a brand new 600 Edelbro...

1971 Pontiac Lemans 350 engine running a bit rough 16 Answers

Hello, again fairly new at this so any advise would be helpful. My 350 starts great first time in am, runs strong and comes to idle speed quickly but start it again after that, say 10 minutes to 2 or ...

1970 Pontiac Le Mans 4 Answers

I am having difficulty finding parts for a 1970 Pontiac Le Mans restoration. Can you point me in a direction? I also need to install a new engine, is there a good place to order it?