Nitrous limits on a 4" stroke 3.25 main cast factory crank?
With a progressive nitrous controller starting at 20% to 100% from .5 seconds to 2.0 seconds, can a factory cast 428 crank consistently and repeatedly take a 250-300 shot of nitrous?
Block would be a bottom filled .030 over factory 4 bolt with factory caps, ARP studs and long dowel pins. Venolia flat top blower pistons, BBC 6.660 H-beam rods.
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 Johnny US Army Retired
1978 T/A 463 Pontiac, KRE 74cc 300CFM D-ports, Howard's custom SFT, Nash Intake,QFT 950 E85 carb, TCI TH-350, 4200 converter 3.73 12 bolt 11.24@118.33mph
1981 T/A 4-speed 406 Pontiac, Merrick ported 6X heads, Comp 270S cam, Crosswind intake 750 Street Demon, 3.42 30 spline Eaton posi street car.
1972 LeMans 350 Pontiac H/S Drags project
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10-10-2023, 10:58 PM
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