Attached are dyno tests for a 8.8 compression 350 SBC, small valve heads 1.94 intake valve - 200 CFM port. Performer intake.
If a guy was going to run a 3000 stall converter the 265 DE Comp is stronger everywhere! Up an amazing 100 horsepower at 5500 RPM over the 255. The 265 still has 16 inches of vacuum.
Keep in mind the Pontiac 350 has 3.75 stroke.
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