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Originally Posted by andy I've got just under 200 rwhp with my new engine. |
I Dyno'd the car with the 3.46 open diff and was pulling 239rwhp, and 230ft/lbs.
The car was way too quick to hit the limiter, that is why I decided to go with the 3.23LSD, and not another 3.46 or 3.73.
After the diff swap I ran against an E46 M3, and from a dead start to 85mphish I was ahead, at 90-100mph even, and he began to pull away at 115mph (1 car length).
I'd probably gear lower if you have less power and torque on hand.