holly pro jection..etc
...anybody running holly pro jection or something in the lines of the throttle body that retro fits on a 4barrel intake...just wondering how they work,if there worth the money..gains in horsepower? and gas milage?.....thanks guys
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Ken Lyons, Slippery rock pa
68 short step 327 t10 4 gear
72 2wd blazer project
70 lwb 305/700r driver
78 caprice project
02 cavalier D.D ( hate it!!)
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