2002 Maxima SE 6 Spd -RPM while shifting question

May 01, 2006 4 Replies
B

I have searched this group and Maxima.org forums for a definitive answer...



I've been driving manual shift cars since I learned to drive, but this is my 1st "performance" 6 speed...



I notice that when I'm shifting up, the RPM seems to "hang / pause" between shifts. All the research I've been able to do indicates this is a normal function of the modern engine "RPM matching" to ease the load on the clutch / synchros and get the best performance & emissions out of the car.



Is this normal, does anyone else notice this behaviour? Do all high performance manual transmissions do this?



Thanks in advance,



BR



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C

This is absolutely normal in modern manual tranny vehicles. The explanation goes soemthing like this: the ECU keeps the revs up to burn the uburnt hydrocarbons for better emissions. You get a cleaner tail pipe, and a rev matching nightmare:)

CD

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W

How about shiftin down, do u get decent engine brakin deceleration?

Why: One thing that increases energy consumption is accel/decel of (rotatin) masses.

This greenpee featurin started in the 80's - noECU/carburettors already. First thing to do was ripoff... (I never figured out that nissan 'wisdom' of squirting more gas just to be greener.)

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B

Thanks,

Anyone know if it can be turned off? When I'm not granny-shifting my way to work I "occasionally" like to drive my Max the way it should be ;-) I find the "RPM hang" too slow for more aggressive shifting...

Cheers,

BR

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B

Not as good as my old F100 "3-on-the-tree!" but it slows the Max down well enough. I suspect the close-ratio 6 speed has something to do with that. The

4-3 & 3-2 downshifts work fine in stop-&-go driving. Although I only downshift mainly for hard corners and predictable slowdowns in traffic. Otherwise I just brake and stop W/O the downshift if I know I'm going to be stopped. I'd rather pay $150 for a brake job every once and awhile than the $1000 for a clutch replacement. Not to mention 3rd gear on the 6-spd Max is so forgiving and torquey...

BR

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