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Well, I found out how much power the tranny can handle...

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Old 08-03-2006, 09:21 PM
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350zDCalb
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Exclamation Well, I found out how much power the tranny can handle...

do you know what this is...(bold)

4409 +11.6 5.00 95 60 00 17.74 +11.8 68.3 +11.2 +0.0 4.60
4803 +13.1 5.00 95 60 00 18.40 +11.1 74.3 +11.2 +0.0 4.60
5546 +13.7 5.00 86 60 00 18.40 +15.7 91.5 +13.3 +0.0 4.60
6161 +9.0 4.56 0 50 00 18.40 +25.7 68.9 +18.0 +0.0 2.25

5592 -6.7 3.39 0 00 00 2.79 +33.9 11.0 ECU. +0.0 2.72
5232 -10.6 2.78 0 00 00 1.90 +33.1 8.0 ECU. +0.0 2.37
4982 -12.0 2.23 0 00 00 1.48 +33.0 5.9 ECU. +0.0 2.64

...that's where my 3rd gear broke

644 ft lbs tq

I was just out road tuning...and I went to do a pull in 3rd gear...it sounded like my tires were hopping, a whole bunch of vibration..then my third gear was no longer...I was able to drive home fine, evry other gear is ok...

Does anyone have a tranny for sale?

TODD

Last edited by 350zDCalb; 08-03-2006 at 09:42 PM.
Old 08-03-2006, 09:39 PM
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Nealoc187
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If you can get some good pics of the inside of the Z tranny I'd love to see them, yours is the first I've heard of breaking though I don't spend a whole lot of time on here. Sorry to hear about your misfortune, I know what it's like, trust me (multiple times lol).
Old 08-03-2006, 09:44 PM
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Sucks to hear. I've heard of people pushing more power than this without breaking it, so I don't think this is the actual limit.
Old 08-03-2006, 09:47 PM
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Sorry.

That is some sick power. Almost 3X the stock output.
Old 08-03-2006, 09:50 PM
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For some reason i'd kinda be happy if my tranny broke at that torque lol
Old 08-03-2006, 09:51 PM
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350zDCalb
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Originally Posted by taurran
Sucks to hear. I've heard of people pushing more power than this without breaking it, so I don't think this is the actual limit.
yah, i know this isnt the limit...but this tranny has seen over 500+ft lbs of torque its entire life of 24k miles
Old 08-03-2006, 10:12 PM
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taurran
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Originally Posted by 350zDCalb
yah, i know this isnt the limit...but this tranny has seen over 500+ft lbs of torque its entire life of 24k miles
Yep. Driven conservatively the entire way, no doubt.
Old 08-03-2006, 10:14 PM
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Nealoc187
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Cycle fatigue is often what does it. I see it at the shop all the time.
Old 08-03-2006, 11:02 PM
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Wasnt GTM making a stronger gearset with straight cut gears and other options?
Old 08-03-2006, 11:37 PM
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Thats pretty impressive that it has lasted that long seeing 24k miles of over double the car's stock output.
Old 08-04-2006, 12:17 AM
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bigbri
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Originally Posted by Nealoc187
yours is the first I've heard of breaking though I don't spend a whole lot of time on here.
Marin Sheared off 3rd gear just like Todd did and Ted took off 5th gear....Damn Todd thats some power...
Old 08-04-2006, 01:05 AM
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Originally Posted by bigbri
Marin Sheared off 3rd gear just like Todd did and Ted took off 5th gear....Damn Todd thats some power...
I spend way too much time on here and don't remember hearing of that.
Old 08-04-2006, 05:44 AM
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Originally Posted by bigbri
Marin Sheared off 3rd gear just like Todd did and Ted took off 5th gear....Damn Todd thats some power...
Did they break the tranny down and confirm broken/striped gears? With symptoms like that, it could be something simple like a broken fork.

In any case, sorry to hear about your tranny... good luck getting back on the road.
Old 08-04-2006, 09:08 AM
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bigbri
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Originally Posted by taurran
I spend way too much time on here and don't remember hearing of that.
It wasn't posted....It was more of a thing known by people at the shop...
Old 08-04-2006, 10:15 AM
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ReV2Red
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Doesn't anybody make beefed up "bits" for the Z's gearbox? It wouldn't be a bad idea! (hint, hint)
Old 08-04-2006, 10:18 AM
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what are the options to get a stronger tranny?
Old 08-04-2006, 10:33 AM
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Alberto
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None, I wish somebody came out with some dog gears though....
Old 08-04-2006, 10:39 AM
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The problem is the angle cut gears the Z tranny uses...Its sometimes very hard to get in gear with these types of gears.If someone made a straigh cut gear the shifting would be much smoother, however i believe you would have to rev match a bit more with these type of gear sets..
Old 08-04-2006, 11:29 AM
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I dunno what to say... INTENSE and fn' amazing power you're making.. or O damnn sorry bout your Tranny?..
Old 08-04-2006, 01:16 PM
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MoodDude
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Originally Posted by MRC Motorsports
The problem is the angle cut gears the Z tranny uses...Its sometimes very hard to get in gear with these types of gears.If someone made a straigh cut gear the shifting would be much smoother, however i believe you would have to rev match a bit more with these type of gear sets..
I talked to a lot of road racers who have straight cut gears, they say that rev match is just as critical on an "anglur" cut gear. They said that you will just get more noise out of the transmission than a traditional style, and that is the only downside.


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