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-   -   Which gearbox for Race / Trackdays? (https://www.miataturbo.net/race-prep-75/gearbox-race-trackdays-44000/)

JKav 04-06-2010 08:58 PM


Originally Posted by Savington (Post 550823)
The MSM boxes are cryotreated

Orly?

hustler 04-06-2010 09:10 PM

uh oh, dad is here.

Savington 04-07-2010 02:50 AM


Originally Posted by JKav (Post 551640)
Orly?

Oops, not cryotreated. Shotpeened.

http://www.miata.net/faq/brochures/2...z_brochure.pdf

crap, I wonder how many times I've made that mixup.

JKav 04-07-2010 12:23 PM


Originally Posted by Savington (Post 551797)
Oops, not cryotreated. Shotpeened.

http://www.miata.net/faq/brochures/2...z_brochure.pdf

crap, I wonder how many times I've made that mixup.

Hmm... I wonder if there's really any difference between the MSM 'box and the non-MSM 'boxes of the same vintage. Knowing how automakers work (or don't), Mazda may have just shotpeened them all.

Is there a part number difference between MSM and non-MSM '04-'05 gearboxes?

mrtbon 04-07-2010 07:40 PM

I know most Automakers shotpeen all their gears regardless of model. At least ford does, so I'm guessing mazda does too. Msm


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