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Well guys here are the specs on the engine.

351CJ block w/4v open chamber heads,bored 40 over

SRP cast aluminum pistons w/chrome moly rings. Ring gaps top ring .020 second ring .022, oil ring .022.

piston pins fitted to .0008-.0009

Piston to valve clearance Int. .260 Exh .325

Piston to head clearance: head gasket thickness .051; Piston deck height .005

for a total clearance of .056

Rings are JE Pro Seal rings

The cam is an Isky280-Mega hydraulic cam.

Cam Lift .323; Valve lift .565; Duration 280; duration @.050 232 with a lobe center of 108

Harlan Sharp roller rockers, Holly intake with a 650 holly dp

 
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