here's my .02 i had a 72 lemans with a/c, p/s, pdb, stock spare and jack. with the gas needle on E it weighed 3850lbs. 455 stock crank, reconditioned stock rods w/ arp bolts, trw forged pistons +.040, plasma moly rings, balanced. 7K3 heads, bronze guides and new valves, no port or bowl work. stock intake with q-jet (only thing not touched) ram air IV cam advanced 2 degrees, rhodes lifters (audiable tick at idle but not like a solid), comp cams 1.52 roller tip rockers. stock torque converter and 3.55 posi. log manifolds, stock exhaust. idled like a puppy at 750rpm in gear, very nice to drive on the street with great throttle response and never lacking vaccum for the brakes. drove to the track (about an 1 hour 45 minutes away every sat and sun) ran 13.80's at 98mph. next year put on 1 5/8" headers with torque tech 3" exhaust with dyno max mufflers (no cross over) and a 2500 converter. putting on 28x9 slicks at the track, ran 12.70's at 105. still drove great on the street. put on 35,000 miles in 2 years with countless strip passes and was running strong when i sold it.
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