Kurt, sorry I didn't see this sooner.
I used Ram Powergrip HD in my old '61 Pontiac. Has a stroked 409 to 474 and made around 575Hp best we can calculate. NEVER missed a beat in 4 years on the street. BUT also never tried it with a slick.
https://www.summitracing.com/int/par...illocation=int
Or maybe look at just the Ram Powergrip.....
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'58 Apache pick up restomodding with twin turbo 522
'78 Z28 4sp being restored
'78 Z28 32,000 survivor, Og Yellow paint, AC.
'70 W30 convert TRIBUTE
'70 CANADIAN Nova SS396 L78 Pro Street
'69 CANADIAN Nova SS 396/350 hp
'67 CANADIAN Nova SS 427 10 sec. driver
'66 CANADIAN Nova SS Race Car
'69 FIREBIRD Tubbed Racecar
'61 CANADIAN Pontiac Bubble top 409+/4sp (SOLD)
'31 ALL STEEL Chevy P.U. GONE (EX-WIFES NOW)
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