Originally Posted by pbonsalb
I think 400 rwhp on a Dynojet in SAE is obtainable from a stock block S65 in an E9xM3 with bolt on mods short of cams, and a tune. Two such results have already been posted. EAS posted a dyno of one car, making 403 rwhp and Mike Benvo posted a dyno of his car, making 402 rwhp.
Benvo's was on a hub dyno if I remember correctly. I'm curious if the other was on race gas.