follow up to previous 69mscle driving impressions with new questions - Team Camaro Tech
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Old Mar 13th, 03, 06:55 PM
bspears bspears is offline
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Join Date: Jul 2001
Location: Saratoga, CA, USA
Posts: 411
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I took it back to the shop and they had it one day. The dash board problem was fixed. There was a shorted wire that rubbed the frame on a hard launch. It has now been fixed and all the gauges are working perfectly. It also spent another hour on the dyno getting tuned again. It idles well now at about 850 with no hunting. It does seem to pull thru first gear stronger and it does not over-rev on a downshift. The question I have concerns my dyno results and the generated hp/tq curve. My scanner is down right now so I cannot post the curves but I can describe them to you. I would like to get your opinions as to whether or not I can wring anything more out of this engine.

The hp curve is as follows. It arts at about 300 hp at 3000 rpms and goes in a fairly linear fashion to 338 hp at 4420 rpms with a linear drop off to about 300 hp at about 5400 rpm.

The torque curve is the one that puzzles me. It starts at 526 ft/lbs at 300 rpms and drops in a linear fashion to 300 ft/lbs at 5400 rpms.

When the car is driven it feels like the torque curve is more flat. I was assuming that the torque stayed on a fairly level line until I reached about 5000 rpms and then it began to drop off but that does not appear to be the case. I was told that this was not the best run the car had made. They could not find that run for printout so this is the only one that I have.

I will post the curves as soon as I can get my scanner to work but I wonder if any of you tuning gurus could give me some opinions on this.

The car feels very strong but I just don't want to leave any stone unturned.

Thanks for all your help

cheers

bob spears
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