Re: Happy Muscle Motor Month!!!!
Interesting what else I found when doing more research on things relative to this month. In trying to find out why the '63 Chevy Impala/Bel-Air/Biscayne wasn't allowed in stock and super stock with the Z11 Chevy 427 "Mystery Motor", I was reminded that the L88 427 was rated at both 430 & 425hp, thus meaning 425 wasn't exclusive to the 426 Hemi(the '63 Chevy 409 also had a 425hp rating). Furthermore, 401 isn't exclusive to AMC, as "The 401 aluminum heads (PN 12363408) are listed on the GM Performance Parts Web site as the NHRA-approved engine parts for the motor they were building" the 427 L88...(source, SUPER CHEVY).
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Gary Hampton
'86 Z24,173 V6
CF/S #5824 (#78 in 2021)
Last edited by GarysZ24; 04-27-2020 at 11:16 PM.
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