Chassis dyno numbers
Pulled the original 400 HO engine that was getting a little tired out of my 68 Firebird. In it's place put in a fresh build based on a '73 400 block with a 4.25 Eagle crankshaft, Comp 230/236 roller cam and 1.52 roller rockers. Pistons are Icon with a 30cc dish due to running a pair of stock, date correct 16 heads to keep it looking original along with a '68 intake manifold and RARE long branch exhaust manifolds. Kept the quadrajet but used a 800cfm model. Distributor has a Pertronix III module in it.
Numbers from the Dynojet were:
310 rwhp @ 5350 rpm
346 max torque @ 4450rpm
Car was built as a fun street cruiser running on pump gas with 3.36 posi behind a TH200R4.
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