Quote:
Originally Posted by D.Johns
He states the reason in his post.
“As the OEM's have improved the efficiency of the engines there are not the same gains to be had as older combinations.”
The new manufacturing process and standards has eliminated 30hp by turning a screw and 60hp by rebuilding a slapped together carburetor and adjusting the cam or machining with better tooling.
Plus with standards with SAE there is less “slide of hand” items to overrate/underrate due to insurance, advertising etc. HP ratings have to repeatable and within a window.
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Yeah, I guess the modern HP ratings are why the new " package cars" can have higher comprssion ratios, bigger cams, larger throttle bodys, and less rated HP than the actual cars that the manufacturers sell to the public. (At least until they eventually get factored).