Thread: Anyone used "Peanut Ports" on your BBC?

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Found this on another website....this is what has piqued my curiosity again about using these heads...You be the judge.

Street combination:
Hiperf 454 4bolt block (std boring)
"Peanut" oval port heads (mild port work)
2.19/1.725 Manley raceflow valves + multiangle valve seats (30,45,60 deg.)
CompCams magnum rocker arms
stock 8.75 to 1 cast pistons
stock rods
stock cast crank
Edelbrock torker intake
552/555 230/236 @.050 (CompCams XE274H)
Holley 850DB carb
FlowTech 1-7/8 headers

Dyno result with 3-inch exhaust & pumpgas: 526ft/lbs@3500rpm, 468hp@5100rpm (over 500ft/lbs torque from 2800rpm to 4800 rpm!)

If you look at the HT502 "high torque" crate engine in the GM performance parts catalog, I believe that engine uses the peanut port style heads. It makes 340 hp with 550 torque coming from my memory. It used a VERY small hydraulic roller cam with I believe around 202 dur. @ .050.

Thanks Elko, I just went and checked it out...hadn't heard of that one before. I wish they had a dyno sheet to display with it. They keep talking about towing, why do they never mention anything about putting a torque producing motor like that in a car with "highway" gears ??

Hoping someone on this forum has tried it before...