Pulling a transfer sled. The engine is 11:1 comp. 4" stroke, 4.155 bore. (434sbc) solid flat tapped cam: 264,264 duration 0.50" 0.548,0.548 lift isky cam. Dart iron eagle platinum heads: 230cc runners, runners smoothed, 2.08, 1.60 valve. Victor jr intake with built in 1" spacer. MSD 8.5 wires. Hei distributor. Edelbrock 750 cfm tuned to engine. Truck pulls in a street "legal" class. TH350 trans rebuilt for engine by local race shop. 203 transfer case w/2:1 low range. 1410 series rear u-joints. 3.5" diameter drive shaft w/0.083 wall thickness. 14 bolt rear end w/ 4.56:1 gear ratio 11.5" ring gear w/ posi. Redone front drive shaft w/ Dana 44 front axle w/4.56:1 gear ratio. It's also running 33x12.5x16 super swamper boggers or 33x12.5x16 bfgoodrich at's. 26" hitch height. Truck weighs 5200lbs before weight. Weight class is 6200lbs. Usually placed in the front of the bed or in a weiht box hanging off the front. Track is 300ft with a floating finish line, usually made of clay. Sorry if it doesn't make much sense, this was typed out on a phone.
Joe