Thread: 1990 GMC RCSB Turbo LS Swap
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Old 02-23-2014, 05:37 PM   #4
69trk
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Re: 1990 GMC RCSB Turbo LS Swap
watching
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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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