Quote:
Originally Posted by Mike Benvo
Not true..
It will let you rev up to about 6K on an cold engine. Way too high. I don't go over 3000 RPM until the oil is atleast 160F. Then gradually raise RPM as temp raises.
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Definitely agree - anyone who relies on the variable red line as a source of useful should think again....this reminds me of the mis-translation from German to English, in the E46 SMG manual...."the shift lights indicate the optimum up-shift revs"......erm no, they dont.
Over-revving when cold (and that means anything less than normal operating temperature) is the quickest way to ruin your engine, either catastrophically (something breaks, or a head gasket pops) or by rapidly increasing wear.