07-09-2009, 04:31 PM
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#1 (permalink)
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Enthusiast Member
Join Date: Jun 2009
Location: Burbank, CA
Posts: 265
Drives: 09 370Z (maxed out)
Rep Power: 17
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Quote:
Originally Posted by t-ray
A rev limiter is a computer controlled operation. However, downshifting to a lower gear beyond redline is a mechanical operation. It is physically impossible for the cpu to spin the engine down. It can cut fuel. It can cut the spark. But that's about all.
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Yeah, I'm not really worried about downshifting; as sport mode automatically shifts down as you come to a standstill (for general stop and go Los Angeles traffic, this is awesome), I only downshift when I'm doing canyon cruising and I pay really close attention to the RPM before I do so.
I'm more concerned with shifting while accelerating. Now that I know I'm not going to drag the engine to 9k, I can pay more attention to shifting based on the feel of the car instead of having my eyes glued to the tach.
By the way, the 911 that my friend blew up was a 1971, so there wasn't an onboard computer... not that it would have helped if you can't control the revs on a downshift.
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