Pontiac 400 idling on dyno right after break in session

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.

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Pontiac GTO 400 Engine 1967 Dyno Session Motor Test
Completely built stock type Pontiac engine by bakersfieldcrateengine.com This engine made over 400 HP and 500 TQ All stock parts except for the internals





Pontiac 400 HO engine Dyno Test
This was a Dyno Run on my Pontiac Firebird 400 HO engine build and tested by Terry Walter Precision Engines. Pontiac 400 block +.030 Pontiac #16 Heads 2.11/1.77 Forged Piston dished to bring CR down to 9.2 comp XE262H Cam Holley Carb Cast Iron Intake Pontiac Long Branch Headers





Proformance Unlimited's 69 Pontiac GTO 400 Crate Engine Dyno Run
Proformance Unlimiteds Pontiac 400 crate engine live engine run....all of our horsepower is Dyno tested and proven....visit us on the web at www.proformanceunlimited.com or contact us at 800-267-3940





400 bored 30 over




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