Quote:
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Originally Posted by Brosef
Quote:
Originally Posted by JoeFromPA
In regards to redline:
For such a group of enthusiasts, I'm surprised people are so easily fooled by redline on a tachometer. I've now owned several cars with a redline set ~300-400 rpms below fuel cutoff and where the true danger zone lies.
We don't yet know the true revving capacity of the S55. We also don't know where the turbo tapers off. Perhaps a 7600 redline indicates a top end of the powerband and a good end to shift, while fuel cutoff occurs at 8000 rpms.
A high-RPM track built 3.0 liter inline six has a lot of room to rev. Let's not say we know the true rev limiter under we find out.
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it's not so much the redline people are concerned with as it is the torque curve falling off. we know it does fall off (probably starting somewhere around 6,000 RPMs). we know this both from the cartoonish dyno charts BMW provided as well as the torque figure (as an example, if the engine made its claimed peak torque figure, ~370 lb-ft., at 7,000 RPM, the engine would be making 493 hp) . |
Lets hope those are the real numbers!
No one else was bothered with the 5/95 % reasoning because i think for me it is backwards. 95/5.