Brian i think i saw on FB you ran 5-20 oil with ''loose'' clearances, what was your idle pressure at temp and after a pass or dyno pull? how much power do you think the light oil freed up? what oil are you running, The LAT or gibbs or?
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1969 carousel red firebird 455, richmond 5 speed
1964 540 gto
1971 lemans sport convertible
1972 Maverick under slow construction
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