hope this helps.. in the nhra rule book it says u have to have a cage in your car if u run a 11.99-1/4 or 7.49 1/8 so to me that says a 11.99 is = to a 7.49 12.99 = 8.49 and so on.. hope that gives a general idea i had to get used to that 1/8 mile stuff i just moved to tenn and the only 1/4 mile track is bristol.. hell in ohio thats all u had was 1/4. its wierd
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84 lx coupe 75 truck block .030 over trw 10-1 pistons comp magnum 280h .512 .512 lift with 230 duration.. early casting heads 1.94 1.60 valves 58 cc chambers harland sharp rockers 1.6 air gap intake with mild porting holley 600 vac seconderies 2 inch open spacer. built man c-4 with PI 2800 sthall 8.8 strange spool 3.73's moser 31 spline still building the rest going for high to mid 11's
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