Thread: 1969 Nova L78/L89 question
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Old 12-05-2018, 01:52 AM
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1971ls6 1971ls6 is offline
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All L89 motors used closed chamber 842 heads, only the L88 vettes and the 69 ZL1 camaro and 2 vets used the open chamber 074 heads.
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1969 ZL1 COPO Camaro 11.60@120 F.A.S.T 21
1971 LS6 vette 12.20 @118 PSMCDR
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