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Yeah, I'm with Shurkey on this one. You could have made the factory TBI run really good. Just upgrading the ECM to the 93-95 PCM would have made it run better.
I’m very new to the gas world, I’ve mostly only worked with diesel, Cummins to be specific. I was recommended from a buddy at work to try out the aces brand. So far the kit seems to be very well put together, it has everything other than the manifold but they do say you can get a spacer instead of a new manifold. I’m not totally sure if it’s assembled in the USA with parts sourced from china or if it’s all from USA but I took a gamble on it because the holly was a bit more for sure. The tbi is shot on this truck and I didn’t wanna get a used one to play with so I figured I’d go with a more moderns system. I was thinking one of the Derick performer manifolds would work well, I’ll share my thoughts on this when I have it together but just looking to see what the Chevy people could recommend because they know a lot more than me!
Derick?
I’ll look into this, I’m not sure if the Trans is controlled with it.
A TH400 would have the kickdown controlled by the ECM, but a 1500 woudn't be likely to have a 400. I'm assuming 4L60/TH700.
Yeah, they're full of BS. You can't put a four barrel TB on a two barrel manifold with an adapter and expect it to perform. Edelbrock makes a dual plane intake that has the correct angle for the four center bolts but here's another problem you're gonna have, the swirl port TBI heads suck or actually I should say they won't suck air. I learned this the hard way on a 79 Malibu I used to have. V6 blew up, dropped in a 355 bottom that I had saved and scrounged a set of 1.94 TBI heads for it and used the Edelbrock dual plane spreadbore manifold for those heads. It ran great!,,,,,,,,,,,,till 4400 RPMS then it was like pushing a wall. I wound up having to pull the heads back off and grinding all that swirly ramp out and opening the ports up under the seats and then they were only a little better, I could get it to pull up to 5000 before it hit the wall again.
