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davidh · 06-11-2022, 05:38 PM

What became of this?
Having a similar issue. 350 vortec but with carb, ac delco fuel pump, one used with boats.
Seems like it started happening when I changed the condenser in the HEI because the connector clip broke. I grabbed one from Napa thinking it was better quality than other store brands. I use a quadrajet too it’s at about 7psi. I have driven this like this for several years and this issue just popped up.

It’s weird it doesn’t always do it. I went back changed cap, checked to make sure capacitor, coil were okay. Doesn’t smell rich either just hesitation at 2200 rpm, can often accelerate past the spot but not always.
Good information on this thread mine maybe as simple as bad gas.

06-11-2022, 05:38 PM	#36
davidh Senior Member Join Date: Feb 2004 Location: Ponca city now kingfisher Oklahoma Posts: 1,221	Re: 72 chevy 350 running rough under load! What became of this? Having a similar issue. 350 vortec but with carb, ac delco fuel pump, one used with boats. Seems like it started happening when I changed the condenser in the HEI because the connector clip broke. I grabbed one from Napa thinking it was better quality than other store brands. I use a quadrajet too it’s at about 7psi. I have driven this like this for several years and this issue just popped up. It’s weird it doesn’t always do it. I went back changed cap, checked to make sure capacitor, coil were okay. Doesn’t smell rich either just hesitation at 2200 rpm, can often accelerate past the spot but not always. Good information on this thread mine maybe as simple as bad gas. __________________ Even the nicest dodge-chrysler is only 2years away from being parked outside of Section 8 housing.