LS1TECH - Camaro and Firebird Forum Discussion

Forced Induction Superchargers | Turbochargers | Intercoolers

ok back to the drawing board :(

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Old Dec 13, 2011 | 11:35 AM
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Default ok back to the drawing board :(
Hey guys i have made the move to get me a 408 i have it now. its ready for boost i really want to make big power this year. im shooting for 900 plus to the tire with a 4l80. I bought me a turbo that was thought to be a gt47-85 but come to find out it was not. So now im on the search for a new turbo. what would you guys use to make this kinda power. as far as what heads/cam/intake ill be useing a set of l92/custom grind/and a vic jr. just looking for ideas here. oh and my turbo kit is set up for a large T6 turbo. i will drive this car a lot. so street driveing need to be taken into the thought as well thanks guys
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Old Dec 13, 2011 | 11:43 AM
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GT55-91 if you have the extra $$$ laying around, if not then the S91 or the GT9197 which has the larger turbine wheel.
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Old Dec 13, 2011 | 11:52 AM
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how about your FI-88x?
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Old Dec 13, 2011 | 12:07 PM
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Originally Posted by Rickys S/C Z28
how about your FI-88x?
Great unit indeed, but for a 408, a 91mm is a better fit. Large cubic inch motors like compressor wheel sizes in that range.
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Old Dec 13, 2011 | 12:20 PM
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good deal
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Old Dec 13, 2011 | 03:20 PM
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hmmm what do you guys think about a precision 91.5 mm thumper
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Old Dec 13, 2011 | 04:21 PM
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dang 105 looks and nothing
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Old Dec 13, 2011 | 04:32 PM
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Originally Posted by Rickys S/C Z28
hmmm what do you guys think about a precision 91.5 mm thumper
It will be considerably laggier then the other mentioned units. For a street car they are not the best performers.
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Old Dec 13, 2011 | 04:59 PM
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Originally Posted by DrTurbo
It will be considerably laggier then the other mentioned units. For a street car they are not the best performers.
I like that 9197 garret you mentioned. It's a great turbo.
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Old Dec 13, 2011 | 05:23 PM
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Originally Posted by Fbodyjunkie06
I like that 9197 garret you mentioned. It's a great turbo.
They are a great turbo indeed. We haven't had them out long, but the ones out there are making awesome power.
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Old Dec 14, 2011 | 12:59 AM
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would a 101 be to much?
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Old Dec 14, 2011 | 02:21 AM
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With a goal of only 900 rwhp, an expensive 88 wouldn't handle it? Not much room for improvement but wouldn't it be efficient at that level?
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Old Dec 14, 2011 | 03:42 AM
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from what im being told on a motor as large as a 408 it will have to much back presser
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Old Dec 14, 2011 | 07:11 AM
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Man Ricky, it is hard to stay up with you. Do you know how my old Camaro is doing? Bob
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Old Dec 14, 2011 | 08:38 AM
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Originally Posted by 99SS-T
With a goal of only 900 rwhp, an expensive 88 wouldn't handle it? Not much room for improvement but wouldn't it be efficient at that level?
if i go way over 900 to the tune of 1300-1400...that would be fine
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Old Dec 14, 2011 | 08:39 AM
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Originally Posted by Bob@BruteSpeed
Man Ricky, it is hard to stay up with you. Do you know how my old Camaro is doing? Bob
lol i know right? i have not seen it . ill go up and see how its doing
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Old Dec 14, 2011 | 09:37 AM
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whats wrong with the turbo you have now? and i think an 88 would be fine i mean there are people going 4.80 in the 1/8 with them.
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Old Dec 14, 2011 | 11:05 AM
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Originally Posted by Rickys S/C Z28
would a 101 be to much?
Once again those are thumper units. Lag will be an issue with those beasts.
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Old Dec 15, 2011 | 10:13 AM
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nothing is wrong with the turbo i have now. i just want bigger
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