Quote:
Originally Posted by Jim Johnston/6022
I think Bill Parmenter tried the fuel injection in his 57 super stock years ago without much success. I believe the only difference from 250 hp to 283 hp is camshaft. His nephew Mike is on here sometimes he might know how it ran. My experience is back in the 60"s trying to get one to run properly and i remember high vacuum was needed to make one run decent. With our weird camshafts that would be a challenge.
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283/250HP = flat top piston = 9.5 to 1 +/- = .398/.298 lift hydraulic lifter
283/283HP = .122 dome = 10.5 to 1 +/- = .394/.400 lift solid lifter