2400 rpm seems about right for a basically stock motor. Maybe a 2800 would have been a bit better, but your converter should help out a lot more then the stock one. Right now on a stock motor, you probably not seeing a true stall speed of 2400 rpms. As you modify your car and are able to put out more HP then the true stall speed of the converter will be closer to its advertised stall speed.
First thing I would do is find out what gears you have in the rear. If their highway gears then they are not intended for performance. An easy way to check the ratio is by putting the rear up the car up on jack stands. Turn the tire one revolution, and watch the driveshaft to see how many times it turns. This will tell you your axle ratio.
Now what year Camaro beat your, Newer or older? The newer ones are pretty quick. How bad did you get beat?
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NewEngland Auto www.baystategearheads.com
-91 Mustang Coupe, ex 4cyl (sold)
-99 F150, 3" lift, 35" Procomps, Magnaflow exhaust
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