Nissan 370Z Forum - Rev match scare

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Nissan 370Z Forum (http://www.the370z.com/)

- Nissan 370Z General Discussions (http://www.the370z.com/nissan-370z-general-discussions/)

- - Rev match scare (http://www.the370z.com/nissan-370z-general-discussions/118116-rev-match-scare.html)

onzedge

11-20-2016 07:06 PM

Quote:

Originally Posted by kenchan (Post 3580143)

its a good warning not to mechanically put the car into 2nd while going 75mph. cause datz how u destroy ur engine. the rev itself wont hurt it as there is fuel and u got rev limiter.

:iagree:

Louie cat

11-21-2016 12:46 AM

:iagree:

Quote:

Originally Posted by cv129 (Post 3580203)

:stirthepot: Sorry in advance OP, but I gotta point this out. A few months ago, in another thread, you posted:

"you can shift at 6k all day long and it will never hurt the engine. that is not even touching red line."

http://www.the370z.com/nissan-370z-g...ml#post3527514

And now you worry about one single no-load rev. I am confused :confused::rofl2:

kenchan

11-21-2016 03:40 AM

Quote:

Originally Posted by Nithmo (Post 3580145)

What are you talking about? Fuel has nothing to do with it. There are plenty of times there is no fuel being injected- like when downshifting in high rpm and not hitting the throttle. The engine doesn't need to inject fuel because it is moving so fast, it just keeps moving on its own. It's more your rods breaking or your valves staying open and burning out due to the engine spinning faster than it is intended to.

The rev limiter won't save your engine on a downshift either. The synchro rev will push RPM up until redline, but only if the clutch is still pushed in all the way. As soon as you release the clutch, there is nothing the car can do to stop the engine from over revving and destroying itself.

do urself a favor and re-read da post.

SG4247

11-21-2016 09:23 AM

I drive my Z 60 miles a day, as a driver in heavy interstate traffic.

It gets to 7200-7500 at least twice a day. I generally drive the AT in M, and can shift it just before redline now by feel.

I did jump on it the other day thinking it was in M, but it was in D. I upshifted it manually by instinct, and it went to Neutral since the shifter was in the wrong slot. It went to 7700 immediately, since my foot was flat on the floor! This is not good - since there is no load on the crank. Hasn't seemed to have bothered it at all.

Keep good clean oil in it, at the correct fill level and temperature, and this engine will tolerate a lot of abuse.

BehindSpace

11-22-2016 04:38 PM

revmatch will not hurt the engine, this is not an issue

jaedub

11-22-2016 04:54 PM

I was around 7k RPM on 4th gear and was about to shoot it to 5th but I accidently shot it to 3rd. Engine screamed and I felt terrible. But nothing happened afterward. VQs are pretty solid engine.

Louie cat

11-23-2016 05:46 AM

Quote:

Originally Posted by jaedub (Post 3580943)

I was around 7k RPM on 4th gear and was about to shoot it to 5th but I accidently shot it to 3rd. Engine screamed and I felt terrible. But nothing happened afterward. VQs are pretty solid engine.

Mine wasn't quite so high ,but that was the same feeling I had! happy thanks giving ;)

mishuko

11-23-2016 08:36 AM

I neutral rev all the time. I hit redline in first and 2nd more frequently than not. I sit at 4k rpm when I'm near a prius.

I slow down and downshift entering a tunnel and wot redline through it.

Aslong as your temps are good it's fine.
Hmm

B&W_Evader

11-23-2016 08:39 AM

Quote:

Originally Posted by mishuko (Post 3581197)

Remind me not to buy a used car from you. :drama:

ayrton88

11-23-2016 09:53 AM

Quote:

Originally Posted by B&W_Evader (Post 3581200)

Remind me not to buy a used car from you. :drama:

My God, no kidding!

Nithmo

11-23-2016 11:35 AM

Quote:

Originally Posted by kenchan (Post 3580322)

do urself a favor and re-read da post.

I did, and I still think you're incredibly wrong :rofl2:

shirokenkami

11-25-2016 08:45 AM

It's quite safe to blip the throttle to that point.

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