Step Dads 68 Firebird. 91 Oct. Pump Gas Friendly 461 Stroker, 455 Crank, 428 Block, 6x Heads Mild Cam,Speed Demon 750, Edelbrock Intake, Headman Long Tubes, Magnaflow Magnapacks 2 1/2 in duals, 700R4 2500 Stall, 10 bolt 3:55s
Drove it 5 1/2 Hrs Let it set 30 Min. Put it on the dyno..
25+ MPG...
315 RWHP 367 RWTQ
5400 rpms, she peaks about 52 and starts to flatn out..
JDMyers88 2 years ago