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5.3 or ls 5.7

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Old 11-06-2013, 05:42 AM
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Default 5.3 or ls 5.7

I'm new to these engines. I'm building a 55 sedan delivery and want to put a 80 mm turbo on it. Which one would be better?
Also which trans would be better for overdrive? Any tips would help a great deal. Is there a good harness and computer to get
Old 11-06-2013, 07:51 AM
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5.3 hands down. In stock from they are known to handle some serious power with a turbo.
Old 11-06-2013, 06:14 PM
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What about trans and a wiring harness



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