Cop cams power box??
 

Has anyone used comp cams power box. It's said to bolt on to your stock lower intake or a gt-40 lower intake. Also say it gives you 20 hp increase and knocks 3 tenths of your quarter. I'm interested in knowing a little more about it because maybe with a ported gt-40 lower it'll be much better. Plus if you want to adjust your rockers while the engine is on you can.

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67'fastback-Edelbrock carb,intake,cam,valve springs.Rhode lifters, CompCam rocker arms, windage tray,cerama coated headers,dual flows with H-pipe, modded c-4,tci stall converter,perma cool electric fan,aluminum water pump,griffen aluminum radiator,accel 8.8 cable,wide cap distriburator,magnetic pick up,v-matic hurst shifter,edelbrock performer nitrous, carter electric fuel pump,ignitor coil,solid motor mounts,magna racing suspension,poly urathane bushings,under rider traction bars, comp. eng. s

Unless you are running 6500+rpm you won't like the box.