71 GTO Numbers matching 400/300HP $29,500
71 GTO Numbers Matching PHS Docs Collector plates 400/300HP
Pontiac 400 final dyno pull
Engine built and Dyno'd by Al at New Generation Racing Engines of Fenwick ON. Anyone in Ontario that needs work would be worth going to see him. A Pontiac 400 bored .030" over so now a 406 with comp cams extreme energy hydraulic cam and lifters, roller timing chain and roller rockers. Lightened and balanced Scat crank. Ignition upgraded to MSD HEI with Accel 8.8 mm sprial core wires. 6X-4 heads ported and port matched to ported factory dual plane intake manifold. Factory 750 CFM Quadrajet reworked by Cliff Ruggles performance.