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Old 06-16-2016, 05:05 PM   #3
69trk
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Join Date: Oct 2006
Location: bridgecreek ok.
Posts: 1,214
Re: Koppertop ls turbo

Thanks...well, only put about 200 miles on this 5.3 and already hurt 2 pistons...so I found a 6.0 for $300 that I'm going to build. Only has around 50k miles on it, but I'm going to go thru it and put forged bottom end in it... then I'll have a tuner that knows what he is doing, so hopefully this does not happen again..
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http://67-72chevytrucks.com/vboard/s...d.php?t=494388

431 big block times, changed to a 6.0 ls with turbo
1.58- 60'
7.18- 1/8th mile@95.18
11.37- 1/4 @115.81
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