The following special custom cams have been dynoed and the proven horsepower/torque numbers are listed. All require an adjustable valve train.
[email protected] [email protected] Gross/Lift Lobe/Sep
298/302 .775/.730 108/104
This mechanical roller cam in a 434 cu in 425 Olds
engine with DMR ported aluminum heads made 620 horsepower @ 6200 RPM and 569
torque @ 5400 RPM using 10.5:1 compression on 91 octane pump gas. Needs ported
heads that flow in the 385 CFM range. Excellent for performance street/strip
use. Needs a 3000+ converter, intake, headers, and 4.10+ gears. Rough idle.