does this make scence at all??

Jeff Chambers · 03-29-2001, 07:19 AM

Stock gap was about .050-.054", at least on 90-93. You're MPH is closer to what I'd expect, but your ET is slow. Part of that is in the 60' and the weight of the car. You're probably weighing in at more than 3450# so you can go to the calculators and figure your HP. The Performer intake breaths real well, better than the FRPP intakes, especially above 6000. I don't see any exhaust mods though. In all truth, the F cam is too much lift for what you're doing. Everyone seems to be hell-bent on the off-the-shelf cams when the custom grinds are where its at. For these motors, lift isn't everything, especially for the GT-40 and GT-40P heads. You're better off settling for lesser lift (maybe .512 max) and working the duration, CL and split figures to keep the runner velocities up and the engine breathing evenly. You car appears to be a daily driver, but if you really want to see that ET drop I'd concentrate on trying to get some weight out of it. Next time you're at the track weigh the car in so you know where you're starting.

------------------
Jeff Chambers
Trophy Stock #3
11.86 Seconds / 113.8 MPH
Chambers Racing Team

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03-29-2001, 07:19 AM	#12
Jeff Chambers Moderator Join Date: Aug 2000 Location: Milan, OH Posts: 2,699	Stock gap was about .050-.054", at least on 90-93. You're MPH is closer to what I'd expect, but your ET is slow. Part of that is in the 60' and the weight of the car. You're probably weighing in at more than 3450# so you can go to the calculators and figure your HP. The Performer intake breaths real well, better than the FRPP intakes, especially above 6000. I don't see any exhaust mods though. In all truth, the F cam is too much lift for what you're doing. Everyone seems to be hell-bent on the off-the-shelf cams when the custom grinds are where its at. For these motors, lift isn't everything, especially for the GT-40 and GT-40P heads. You're better off settling for lesser lift (maybe .512 max) and working the duration, CL and split figures to keep the runner velocities up and the engine breathing evenly. You car appears to be a daily driver, but if you really want to see that ET drop I'd concentrate on trying to get some weight out of it. Next time you're at the track weigh the car in so you know where you're starting. ------------------ Jeff Chambers Trophy Stock #3 11.86 Seconds / 113.8 MPH Chambers Racing Team