Quote:
Originally Posted by RageWorx
Just read our posts there are differences. Yes both are underrated is what I think your saying .... ~330 whp - B58C , ~375 rwhp B58D both underrated and make at the wheel what they are rated at the crank not unusual for BMW you are correct.
-Jon
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Better find an uncorrected dyno before you make that statement. The engine probably is underrated, but you can't put a correction factor, especially a ricer correction factor on the dyno, then do a 15% drivetrain loss (probably the new drivetrain is more efficient than that) and come up to what are the magazines claiming 390+. I'm sure it is underrated, I'm also sure that ricers are running the dyno.
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Forged short block, large duration sub .600 lift Cam Motion cam, 7200 RPM fuel cut, Pray Ported Heads, 3.85 pulley D1X, stage II intercooler, DSX secondary low side, DSX E85 sensor, Lingenfelter big bore 2.0 pump, ported front cats, 60608 Borla, LT4 injectors, ZL1 1LE driveshaft and Katech ported TB, ported MSD intake, BTR valvetrain, ARP studs, ProFlow valves, PS4 tires.
Last edited by oldman; 02-15-2020 at 05:04 PM.
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