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Old Mar 19, 2011 | 06:05 PM
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Default lt1 vs ls1

Ive got a 95Z that i want to build a 150mph car out of full weight everything working. So im debating weather to build a lt1 or swap to ls1, Problem with ls1 is the pushing water/cost, dont want togo aftermarket block, swapping k members and wiring. lt1 problem is ive got to swap to a ls1 pcm and nobody makes a nice turbo kit for them.
will be a 6 speed

Im guessin 900 hp will work. Id like todo a ls1 with aps tt kit, id simply hate todo that and be worried about pushing water every time i dog on it.

yalls guys opinions?
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Old Mar 19, 2011 | 06:32 PM
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you wont have problems pushing water at that level.

you can meet your goal with the lt1, you'll just need a turbo kit. good luck with the 6 speed though. im guessing by 150mph you mean in the 1/4. i'd strongly suggest a th400, powerglide, or 4l80e.
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Old Mar 19, 2011 | 06:36 PM
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As long as your machine work, tune, and assembly are all good you shouldn't have a prob with the ls.
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Old Mar 20, 2011 | 04:09 AM
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LT1boost.com (I think...I'm also hoping he's a sponsor, if not, whoops). And yeah the LS1 ECU swap is pretty much a must. I'm about $19k into my car and it should trap 150s.
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Old Mar 23, 2011 | 10:50 AM
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hmm are you saying you can run the ls1 ecu on a LT1? Id be interested for sure because we all know how fun lt1 cars are to tune
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Old Mar 23, 2011 | 12:29 PM
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Originally Posted by My2kz28
hmm are you saying you can run the ls1 ecu on a LT1? Id be interested for sure because we all know how fun lt1 cars are to tune
Check out the company EFI Connection.
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