Getrag go boom

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05-21-2015, 10:11 PM

guttedmiata

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Getrag go boom

Hard shift to 2nd with a 949 twin disc. 6spd is fine. Getrag go boom.

05-21-2015, 10:33 PM

Chilicharger665

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Used or new?

05-21-2015, 10:35 PM

ThePass

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Well on the positive side of things, the Getrag is ~1/4 to 1/3 the cost of a 6 speed... unless it was a new one.

-Ryan

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05-21-2015, 10:48 PM

guttedmiata

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Used. Supposedly from a 40k mile car.

05-22-2015, 01:05 AM

ThePass

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~250 twerks right? Thats a lot less than those are supposed to be able to handle...

-Ryan

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Ryan Passey

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05-22-2015, 01:08 AM

18psi

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Miata : v8 shattering torque

05-22-2015, 02:15 AM

NiklasFalk

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Old crack in a tooth that shattered or a pinion deformed like a corkscrew and stripped all gears?
I.e. too much power/grip or just a flawed unit?

05-22-2015, 06:56 AM

hector

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Quote:

Originally Posted by ThePass

~250 twerks right? Thats a lot less than those are supposed to be able to handle...

-Ryan

And in cars that weigh twice as much

05-22-2015, 07:48 AM

guttedmiata

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A lot of grip - 12" road race slicks. A lot of power - more than 250ft/lbs. An on/off clutch. But yeah, a lot less weight. Not sure what failed. Not gonna take it apart until I see if I can get the yard to warranty it. Sure, another one is cheaper (or free under warranty) than a tranny but if it won't hold up the price doesn't matter.

05-22-2015, 08:03 AM

#10

thenuge26

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<p>Wheel hop?  I'm guessing not as you would have mentioned it.</p>

05-24-2015, 11:29 PM

#11

guttedmiata

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Well.....that whole assumption thing. Wasn't the diff after all. Somehow something moved permanently on that 1/2 shift and the driveshaft flange was grinding on the ppf.

05-24-2015, 11:58 PM

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slmhofy

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Did you take any pics of your finished install?

05-25-2015, 12:09 AM

#13

ThePass

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Well that's interesting. Wonder which mount was the culprit.

My bet: PPF. That thing is flexy.

-Ryan

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05-25-2015, 12:13 AM

#14

guttedmiata

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Haven't quite figured that out yet. I would think ppf also, but I don't understand how it would have stayed over too far. Should have just moved back. I'll look at it closer tomorrow.