Reply to "Cobra jet engine"

George PAdmin.

DeTom,

one of the more common engines I built long ago, was basically just what you are suggesting. I would zero deck the block & install the closed chamber heads, with fordged flat top pistons that resulted in 10.0:1 compression. I installed a Duraspark ignition, installed a hydraulic cam that was just a bit hotter than the Cobra Jet cam, 290/290 degree duration, .505/.505 lift, topped it with either the Autolite spread bore carb or a 750 Holley on a Blue Thunder intake and exhausted through headers and dual exhaust. That made a smooth running daily driver motor that pulled about as hard as the Boss 351, about 380 ft/lbs and 350 bhp (or more depending upon the combination and head work). With 3.91 or 4.11 gears in a Mustang, it was one sweet motor.

your nostalgic friend on the DTBB

3/15/0612:32 PM

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