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Old 10-28-2011, 02:47 PM   #7
71sierragrande
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Join Date: Dec 2010
Location: San Diego, California
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Re: Package deal: BB, th400, 12 bolt posi...or ???

Quote:
Originally Posted by Clyde65 View Post
cammed LQ9/4l80E would set you back around $4K maybe a bit more, rear end complete rebuild, say 2K. anothe r2K for misc stuff you find you need/want when putting together.

This would get you around 500HP or so at the FW. plus would probably pull 18-20MPG on the highway
Wow! Clyde, great info, where do I find this cammed LQ9/4L80E for 4 grand?
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1971 GMC Sierra Grande 2WD 1/2 ton, 350/400 auto
2008 Chevy Silverado 2WD 1/2 ton LT1 5.3L auto
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