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Old 11-15-2006, 08:04 AM
J Persons J Persons is offline
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Join Date: Aug 2004
Location: Rosamond, Ca
Cobra Make, Engine: FFR, 331 Sportsman block, T5Z, 3.55 IRS, Fuel Safe cell
Posts: 97
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Quote:
Originally Posted by Philm
I have a small block built arround a Dart 302 block with the 4.125 bore. Forged stroker crank, rods and pistons. Solid roller cam, 8 throttle body injection etc. The engine runs well on 98% octane pump gas.

I have had it on the dyno today and it produced 410 RWHP at 6500 rpm and the torque flatlined at 350 footpounds very quickly.
Phil, could you share the details of your engine? Heads, stroke length, compression? I'm planning a large bore stroker small block, based on the new Boss 302 block, whenever it becomes available. My current 331 did 372 RWHP @6100 with 9.25 compression, and on 87 octane pump gas. Torque was 340 ft/lbs @5100RPM. This is with a Holley 650 DP carb.
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FFR, 331 SBF dynoed 372RWHP@ 6100 RPM on 87 octane pump gas
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