Thread: LSx 454. Opinions?
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Old 02-24-2009, 11:04 AM
Bowtieracing Bowtieracing is offline
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GM is goin to release 454LSX 620 EFI crate motor soon. Its based on iron LSX block and aluminium cylinderheads close to LS7s with 6 head bolts / cylinder. Intake is LS7 . GMs test car run 10.80 with it
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