Thread: 68 5.3 ls twin turbo build
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Old 04-30-2017, 09:44 AM   #54
69trk
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Location: bridgecreek ok.
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Re: 68 5.3 ls twin turbo build
91 pump with meth injection..
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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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