Thanks for the advise guys...with the previous too loose converter and 28" MT's, I could not make it down the full quarter without getting on the rev-limiter at 6600rpm on 175 shot. Was'nt sure just how much the converter contributed to this. Probably go with the 29.5x10.50 MT's, but am considering running tubes in them to stiffen the sidewalls for the violent launch with stock suspension. Anyone experienced with running tubes with transbrake or manual trans cars, or just hard leaving cars in general? Still pics of car leaving show the tires squashed almost to the rim and wrinkled badly.
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1971 Base Firebird..505ci IA 2A Round port E-heads by Butler 348 cfm.. Comp street SR 266/ [email protected] Victor intake/Quick Fuel Q950. 1 7/8" Dougs headers..3" mandrel bent exhaust with Hooker Max Flow mufflers, T-350 well built with 10" 4000 stall nitrous Continental converter..3.73 posi . Caltracs and 10" slicks. Belt driven water pump, alternator, Pwr steering and brakes,Flex fan. 11:1compression, straight 93 octane pump fuel. 10.35 @ 129.88 with 1.45 60ft N/A at 3700lbs race weight.
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