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I am putting together a rb motor ,4.250 crank,7.100 rods,0 deck,eddy heads (with light bowl work,gasket match and race valve job),10.5 to 1 comp. and I was thinking of running the comp.xe295hl cam but I was thinking about a hyd roller as well.I am looking for a nasty idle but still be streetable,(mostly a street car)And low maintance(basicly the most power I can get for a street driven car).I live in a rural area so I have to drive the highway to get anywhere,but anyway here is the cam specs. I was thinking of
Roller comp.xr292hr
dur. .050 242 248
lift .549 .544
110 lobe
valve timing at .006 lift
int. open 15 close 47
ex. open 58 close 10
xe295hl hyd
dur. .050 251 257
lift 564 564
110 lobe
valve timing at .006 lift
int. open 42 close 74
ex. open 88 close 40
I dont get the valve timing thing,but which one do you guys think would be better for a nasty idle and best power and live a long time on the street or is there a better choice than either one of these?Basicly I was wondering if the hyd. roller would make more hp. and tq.than a flat tappet hyd. cam and last on the street.Thanks guys

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P.S.The car is a 69 superbee,auto trans ,thinking of a tight 3,500 stall convertor,3.55 gears or maybe 3.90s with a gearvendor,tti 1.7/8 headers eddy rpm intake.Thanks again