Quote:
Originally Posted by Half-Inch Stud
Working my Spare 455 +030, and have flattops and "48s".
BOP 1-piece Rear Seal in, Forger 4.21" Stroke, 3.25" Mains TQ'd with Factory Bolts. 1973 2-Bolt Block.
Wondering what Octane is needed to drive on the Street THESE DAYS.
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Which #48's ? The extra smaller 66 cc chamber ones off a 350 HO or the 72-75 cc? 400 ones
If like my 465 cid flat top 74 455 (undecked) 80's TRW forged.. with 62's that are 75-77 cc ish I can run a can of Torco Accelerator to maybe 10 gallons of 93 Super and it works never pushed it less than that and or I mix 50/50 93 and 110 race fuel
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