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  1. S

    Need help with an acceleration issue

    It took weeks to get all the vacuum leaks fixed. I had to get a smoke machine and fix leak after leak. The egr, choke pull off, and intake gasket were leaking. Half the hoses were split. The hose to the transmission modulator was disconnected. It was a mess. I'm a forklift mechanic by trade and...
  2. S

    Need help with an acceleration issue

    Ok I did some looking. Looking down the barrels when is idling(warmed up) and there's no dribbles at all. I goose the throttle and I get two strong jets of fuel. Idle screws are now both 2.5 turns out. I got a chance to take it out on a long stretch of road and did some pulls. From a dead stop...
  3. S

    Need help with an acceleration issue

    I'll turn then in and see how it goes looking for best vacuum. Can you explain what you mean by the second part of your reply? Fuel drips? And how can I find out?
  4. S

    Need help with an acceleration issue

    Hello all! Longtime lurker here. I usually don't post a lot because I typically find my answers using search. However this one has me stumped. 86 Suburban K20 350 with th400. CA emissions, totally stock engine was rebuilt recently. I bought it cheap because it had issues. The transmission leaks...
  5. S

    What am I missing?

    Hi all- New to the forum and squarebody GM trucks. I've always love the 80's suburbans. The other day, o finally got a 1986 half ton with the 350. It's a California car, so emissions have to be met. The car had a blown head gasket, so I didn't do a very thorough inspection under the hood...
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