HP gains on larger TB? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 02-19-2003, 08:18 PM   #1
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Default HP gains on larger TB?

well, as soon as the ADTR Series I intake is available, I will begin my mods. I was thinking about a larger Throttle Body from Domestic Performance. How much HP would I gain with a stock SC 3800, and an ADTR intake, how much would just the TB add? Would it get better/worse gas milage, and would my MAF screen need to be removed?
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Old 02-19-2003, 09:25 PM   #2
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More power but will have to sacifice the gas mileage I'm afraid!
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Old 02-19-2003, 10:34 PM   #3
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You may run into problems making it work. The larger throttle body for the 94/95 won't directly bolt up. The coolant passages are in the wrong place. Your PCM is looking for a different rate of flow. It may not work without a performance chip. Your MAF sensor may not be compatible. There'* alot of inter-related problems. It won't be a plug n play. We'll be doing alot more talking before you go with this! It hasn't been done yet. It'* been tried, but not succesfully.
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Old 02-19-2003, 10:57 PM   #4
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okay, thanks!
i was just wondering, i will probably get a pulley and exhaust before i look into that.
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Old 02-19-2003, 11:02 PM   #5
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If you really want to tackle it, we're here to help. Seriously. Don't discount the idea, just keep an open mind.
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Old 02-19-2003, 11:59 PM   #6
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We can just retune the MAF'* or retune your computer. 2 Ways to go to make it work.
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Old 02-20-2003, 09:33 PM   #7
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Yes I offer this option. What do you want to know? Drop me an e-mail and I will give you all the info you need.

Ty
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Old 02-24-2003, 05:30 PM   #8
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Default NOT A FLOZ 92 -94/95 BLOWER

I did a lot research with pontiac parts dept to similarity to things like injector,t.p.*.mass harnes plugin conectors,air element,throttle cables.ect.The normal non blower use the same throttle body on 94/95, could be mismatch that way? what was the pulley size used on 94/95 blower and why was it larger ? mine came with a 3inch 92 looks like 2.5inch
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Old 02-24-2003, 07:26 PM   #9
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Our TB will give you 18-22% more flow.

Drop me a line for all the info.

Ty
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Old 02-24-2003, 08:35 PM   #10
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do you recal MAF sensors?
i have a 95 sc on my 92 and when i had the 95 Tb on it , it ran like crap. way too lean. it just had too much unmetered air getting past the maf for what the pcm showed. can you do a maf for that and how much if you can
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