Switching to LT1 intake from carb
Switching to LT1 intake from carb
I just need some opinions from people who've done this before or longer then I have 
Would a 58mm TB and #30lb injectors pretty much be required for running it on a 412 ? Should I go with a smaller cam ?
I'm switching back to FI because carbs just suck. I'm tired of always fixing it and tuning it to get it just right. At least with TPI (FI) I can go back to just taking the chip inside with me and comfortable sitting in my chair editing numbers and looking at graphs :P

Would a 58mm TB and #30lb injectors pretty much be required for running it on a 412 ? Should I go with a smaller cam ?
I'm switching back to FI because carbs just suck. I'm tired of always fixing it and tuning it to get it just right. At least with TPI (FI) I can go back to just taking the chip inside with me and comfortable sitting in my chair editing numbers and looking at graphs :P
Go to www.lt1intake.com and e-mail john he has the most experience with the lt1 intakes.
Well is the cam a roller, hydraulic roller, flat tappet what? If it's a solid roller, it'll be fine, hyrdraulic flat tappet or roller it may be a bit big for a street car. Solid flat tappet will be on the rowdy side for street car but probably doable. 30# injectors should theoretically be good up to a bit over 500 hp at stock fuel pressure, get an AFPR and you can go a bit higher. As far as the TB depends on what kind of power and rpm you want to turn. But having said that the price difference between a 52 and 58 is only like 10-20 bucks from summit, so I'd go with the 58.
blackened, whatever you find out let me know. I am considering it too. I'm not sure though. Do you have to have the A.I.R. system and smog equipment if you go to FI? I might be better off for right now going with the carb.
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From: Shelby Twp., Mi., USA
Car: '84 Fiero ('01 GA interior)
Engine: '96 4.0 Aurora
Transmission: '96 4T80E
Do you have to have the A.I.R. system and smog equipment if you go to FI?
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