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Looking to replace the TC78

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Old 10-14-2012, 09:59 PM
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Default Looking to replace the TC78

Like the title says. I've searched and researched , but can't find a solid answer. Looking to upgrade, but wondering if the PT88 is too small for my setup? Buddy is selling his turbo https://ls1tech.com/forums/parts-cla...-bb-turbo.html. But wondering if both the compressor and exhaust wheels are too small. Listed below is my motor setup.

Forged 376 c.i. w/ comp cam 226, 232 115 LSA, A4, 3600 stall.
Old 10-14-2012, 10:03 PM
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What are your goals? The pt88 has gone really fast and is a very proven turbo. Depending on weight your could go bottom 9s or 8s with a pt88
Old 10-14-2012, 10:12 PM
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I would like to get to the low 10's and around 850-900hp if possible. Standing my radiator up over winter and upgrading my fuel system again.
Old 10-14-2012, 10:16 PM
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if you have room, better options out there than the pt88

if you dont have much room it runs rather well and on a budget
Old 10-14-2012, 10:53 PM
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Originally Posted by rotary1307cc
if you have room, better options out there than the pt88

if you dont have much room it runs rather well and on a budget
I will have the room after re-mounting my radiator upright. What would you suggest? I know some have replaced the PT88 with the GT47-88 or S380, S400.
Old 10-14-2012, 11:57 PM
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Originally Posted by Sweet_SS
I would like to get to the low 10's and around 850-900hp if possible. Standing my radiator up over winter and upgrading my fuel system again.
Why are you needing so much hp for low 10's?
Old 10-15-2012, 07:02 AM
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If it where me i would get in this order, there is a price difference though

1. Gt5088
2. Toss up between gt4788 or borg 80 or 88 with the big 96mm turbine
3. FI's new 97mm turbine version of the gt88

My 2cents
Old 10-15-2012, 07:24 AM
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Originally Posted by skinnies
Why are you needing so much hp for low 10's?
I don't have to beat the **** out of the car. Getting a good time with a crappy 60ft if that's the case.
Old 10-15-2012, 07:24 AM
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Originally Posted by rotary1307cc
If it where me i would get in this order, there is a price difference though

1. Gt5088
2. Toss up between gt4788 or borg 80 or 88 with the big 96mm turbine
3. FI's new 97mm turbine version of the gt88

My 2cents
Thanks, I will look into those.
Old 10-15-2012, 09:18 AM
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If you are looking at something that will go right in the place of the TC78, check out the comp I have here: https://ls1tech.com/forums/parts-cla...aring-new.html
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Old 10-15-2012, 09:55 AM
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go with the FI borg based unit, 83mm billet 92mm LDP turbine
or a gt50-88
Old 10-15-2012, 05:43 PM
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Thanks for the input fellas.



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