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LS2 or 7 for offroad

Old Aug 13, 2006 | 12:34 PM
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Default LS2 or 7 for offroad

I was thinking of a budget around 12000.--18000.-$ plus Motec ECU/ labour for Dynotuning for a new LS enigne in my offroader racer. But for which one should I opt? Guess it will be more on the LS2 side..and what parts on it?
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Old Aug 13, 2006 | 04:34 PM
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http://www.umiracing.com/
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Old Aug 13, 2006 | 08:12 PM
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That all seems very overpriced. I would go with a slightly used LS2 if I could find one, hopefully stock. And go with a stroker.
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Old Aug 14, 2006 | 04:53 PM
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what transaxle/transmission are you running? Is this in a truck or a sandrail?

There are some custom transaxles that cost more than $15K easy.

No need for FAST/BS3/Motec unless you are going forced induction. Total overkill. But a twin turbo 402 would be one hell of a ride.....

LS2 block
forged crank/rods/pistons
AFR 225's
stock LS6 intake manifold, ported stock TB
stock 5.3/6.0 exhaust manifolds for headers
some small turbos that spool fast
and you have the recipe for a reliable 800rwhp+ if you can keep it cool.
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Old Aug 14, 2006 | 05:21 PM
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unless ur going more than 60lbs high imp injectors or over 8000 rpm.. u wont need an aftermarket ECU.. just get a stock one with HPT 2 Bar Map Sensor.

i would recommend a forged ls2 402 with supercharger, fast 90/90, nice split duration, wide LSA camshaft.

can you gimme more details about ur vehicle? purpose?
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