njim3

Hi,

Some of you here mentioned about "harden 1st and 2nd gear" what is that mean and how it work? benifit?

Thanks,
Jim

Matt H

Jim, the 1st and 2nd gears are hardened so that the teeth dont break on them as easily. The gearbox on the 951 can be a weak point when power gets high. Powerhaus II sells them if you are interested.

I will also ask Pete to move this to the 951 board where you are likely to get more responses.
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pete944

I'll copy it to the 951 forum. That way it will be in both places.

Matt H

Danke
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Danno

I think they are shot-peened???

schnellfahrer

I've never heard of anybody having trouble with 1st and 2nd going on the non-S gearboxes. Is this really a problem?

theedge

IIRC theyre hardened on all turbos.

MichelleJD

I believe they are only hardened on the turbo S.

IMB951

MJD is right, only on the 951-S