+3k rpm = transmission stress?!?!

2001 ACR · Post by **2001 ACR** » Thu Dec 11, 2008 7:03 pm

So I've been accosted by several people (all women...) who regularly tell me that my transmission is going to die if I keep my rpm's above 3k regularly. Is this a bunch of bull-crap? I go 80mph on the hwy which means my rpm sits aroun 4k; and this is 5 days a week.

If any of the more mechanically minded would respond, please do so I can get several people off my back...

Kelevra · Post by **Kelevra** » Thu Dec 11, 2008 7:08 pm

Ok.. 99.9% of women aren't mechanically inclined and don't now shit about cars...

Does that answer your question?

if going over 3k RPMs would kill your trans.. wouldn't that be the red line?

EDIT: I'm not being sexist, just stating a fact.. I now there are some women who do know a lot about cars.. just know your source

Post by **occasional demons** » Thu Dec 11, 2008 7:48 pm

If you had an ATX and those Babe's were loading down your car, so the lock up wasn't engaged then maybe it might overheat.

But since you have an ACR, it is it's nature, so tell them to

Adionik · Post by **Adionik** » Thu Dec 11, 2008 8:21 pm

IDK

My laptop was telling me "danger to manifold", but I just slammed it shut and hit another 500 shot of nos.

anyone selling a neon floorboard?

thnx

hansken_yo · Post by **hansken_yo** » Thu Dec 11, 2008 8:25 pm

Rev-limiter FTW... If they didn't want you going 6.5k rpm, why do they let you

I personally think it is bull shit since I've never lost a tranny and regularly go above 4k rpm.

Post by **occasional demons** » Thu Dec 11, 2008 8:27 pm

Adionik wrote:IDK

My laptop was telling me "danger to manifold", but I just slammed it shut and hit another 500 shot of nos.

anyone selling a neon floorboard?

thnx

Sooo, the mani came through your floor board?

Payback is a Bitch!

Ooo, wait, was it a lap dance, and you shut her up?

hansken_yo wrote:Rev-limiter FTW... If they didn't want you going 6.5k rpm, why do they let you

I personally think it is bull shit since I've never lost a tranny and regularly go above 4k rpm.

Agreed, the only way you would damage a tranni, more so ATX, would be to down shift at a high speed. An MTX would prolly hold up well past the engine in that scenario. The actual transmission part of the ATX might survive, but the TC will become a shrapnel balloon.

Post by **racer12306** » Thu Dec 11, 2008 9:59 pm

moving to drivetrain

Post by **jonnymopar** » Fri Dec 12, 2008 2:24 pm

100% bullshit... and not just for these transmissions either.

2001 ACR · Post by **2001 ACR** » Fri Dec 12, 2008 6:06 pm

jonnymopar wrote:100% bullshit... and not just for these transmissions either.

Thanks for your frankness. I thought it was a load of bull, but needed a second opinion. I figured that if it was bad to go over 4k rpm then the redline would be there instead of at 6500rmp...

bone-yard-racing · Post by **bone-yard-racing** » Fri Dec 12, 2008 7:01 pm

jonnymopar wrote:100% bullshit... and not just for these transmissions either.

x2
Gorgeous girl who loves and knows her shit about cars FTW

Post by **jonnymopar** » Fri Dec 12, 2008 7:29 pm

bone-yard-racing wrote:Gorgeous girl who loves and knows her shit about cars FTW

LilSparkPlug FTW

NEON PARABOLA · Post by **NEON PARABOLA** » Fri Dec 12, 2008 9:01 pm

hehehe amen to that Jon J.

bone-yard-racing · Post by **bone-yard-racing** » Fri Dec 12, 2008 9:35 pm

jonnymopar wrote:
bone-yard-racing wrote:Gorgeous girl who loves and knows her shit about cars FTW
LilSparkPlug FTW

Wasnt even thinking along those lines but yes

INVUJerry · Post by **INVUJerry** » Fri Dec 12, 2008 11:25 pm

I've only blown one transmission. It saw 7K regularly, and the final blow was a 7600 RPM launch, this was in my 98 neon. I just put in my 03 r/t trans (converted for a 1gn), it gets shifted at 7600.

Fuzzyneon · Post by **Fuzzyneon** » Sun Dec 14, 2008 10:20 pm

Pretty sure youre valves would float before you revved it highenough to destroy the trans (diff pin aside on a launch)?

BigMac · Post by **BigMac** » Mon Dec 15, 2008 12:59 am

About the only thing you're really "hurting" is your gas mileage.

INVUJerry · Post by **INVUJerry** » Mon Dec 15, 2008 6:03 pm

Eventually clutches will start to come apart above 8K if they aren't balanced that well.

Donkeypuncher · Post by **Donkeypuncher** » Mon Dec 15, 2008 6:59 pm

The T-350 should handle about anything you can throw at it. The only actual trans failures I've seen were on boosted (350hp+) cars and they usually broke the bell housing from the torque launching on slicks. High rpm downshifting can damage the pressure plate and the slave/master cylinders.

Post by **jonnymopar** » Mon Dec 15, 2008 7:05 pm

Don't forget the diff pin of death. But that's neither an RPM- nor horsepower-related failure.

bone-yard-racing · Post by **bone-yard-racing** » Mon Dec 15, 2008 7:59 pm

Donkeypuncher wrote:The T-350 should handle about anything you can throw at it. The only actual trans failures I've seen were on boosted (350hp+) cars and they usually broke the bell housing from the torque launching on slicks. High rpm downshifting can damage the pressure plate and the slave/master cylinders.

I will disagree with that, Improper high RPM downshifting will hurt the clutch, however draging the RPM back up with the clutch is much worse for it than a quick blip to bring the engine speed up.