35 to about 45 mph car doesnt seem to do anything
First gear for me red lines to about 40 MPH and second goes till about 80. So if I nail the gas at 35 instead of going to first and pulling HARD it stays in second (low rpms) and pulls slow. This is unfortunately normal and there are only a few ways to lessen or eliminate this.
1). Get steep gears like 3.73's. That will make the lower speed roll better but will not completely eliminate it.
2). Put a higher stall torque converter and tranny cooler in. 3000-3600 will greatly improve the dead spot and 3800-4400 will pretty much eliminate it.
3). Swap to a M6 or auto with a manual valve body. You could just put the car manually in first and then shift yourself but this is very BAD for a 4L60E transmission. I strongly recommend you don't do that.
Hope that helped and good luck.
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Good luck.
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It's not cheap though. You're looking at anywhere from $1,000-$1500 for everything including install. But once you do it you'll never want to go back to a stock stall again.
I put my stage 3 4L60E on layaway yesterday and look forward to running your transmission behind my new motor next spring







