924Board.org

ideola · Joined: 01 Oct 2004 Posts: 15550 Location: Spring Lake MI

Me too.
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erstwhile owner of just about every 924 variant ever made

v8carreragts · Joined: 05 Sep 2003 Posts: 665 Location: Tucson, AZ

How about an update?

Earlier this week I talked to Roger Brown from California Motor Sports. (the place I was buying the 930 dog teeth from) He thought he had new G31 dog teeth but the chamfers on the teeth on the ones he had were in the wrong direction. So he was going to send me the 930 one. He had a few different dog teeth made at Albins so he has a few different ones that no one else has.

I received the dog teeth about an hour ago and evidently he had the correct one! It is a G31 first gear doog teeth, brand new! It cost $210 US. It seems that he also has the one for the 016Z/Y. (without the snap ring) It has 39 teeth instead of 36 like most G31's have.

I have the 915.302.301.06 and a 928.302.301.31 synchros comming. I should get these on Monday. I am positive the 928 synchro will work because the G31 that I got from the UK a few weeks ago had these on 2nd and 3rd. They are identified by 2 grooves on one edge.

I have the 8/33 (4.125) ring and pinion set-up and the LSD is together. I will be assembling the rest of the trans next week when I get the synchros.

CaliforniaMotorSports.net
2175 N. Kiowa Blvd.
Suite 108
Lake Havasu City, AZ 86403

928.855.5755 voice
928.855.6021 fax

I found this place on e-bay. Roger said that they have been in the business of re-building Porsche transaxles for over 25 years but have receintly begun to sell parts to the public.

v8carreragts · Joined: 05 Sep 2003 Posts: 665 Location: Tucson, AZ

I'd post some pictures but I haven't figured out what to use as a host. Any ideas?

ideola · Joined: 01 Oct 2004 Posts: 15550 Location: Spring Lake MI

Send your photos to me: dan DOT beckett AT ideola DOT com, or sign up for picasa.google.com.
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erstwhile owner of just about every 924 variant ever made

Rasta Monsta · Joined: 12 Jul 2006 Posts: 11733 Location: PacNW

I like Photobucket.
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Toofah King Bad

WeiBe (1987 924S 2.5t) - 931 S3

v8carreragts · Joined: 05 Sep 2003 Posts: 665 Location: Tucson, AZ

New 1 st gear dog teeth from California Motor Sports

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New VS old

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Installed on 1st gear

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Joakim · Joined: 15 Jun 2003 Posts: 24 Location: Sweden

v8carreragts · Joined: 05 Sep 2003 Posts: 665 Location: Tucson, AZ

patand · Joined: 12 Jan 2007 Posts: 91 Location: Sweden

ideola · Joined: 01 Oct 2004 Posts: 15550 Location: Spring Lake MI

patand · Joined: 12 Jan 2007 Posts: 91 Location: Sweden

v8carreragts · Joined: 05 Sep 2003 Posts: 665 Location: Tucson, AZ

Got the new synchro rings today. Other than being new VS worn out I can't see any difference.

The first gear ring I have is 915.302.301.06 and for 2nd & 3rd I have 928.302.302.31.

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v8carreragts · Joined: 05 Sep 2003 Posts: 665 Location: Tucson, AZ

Forgot the prices.

915.302.301.06 $85 US

928.302.301.31 $54 US

Both from Vertexauto.com

v8carreragts · Joined: 05 Sep 2003 Posts: 665 Location: Tucson, AZ

Got the transaxle finished today. One thing I saw (also looked at the other G31's I have as well) was the first gear loose gear is slightly missaligned with the gear on the mainshaft by about 1.5 mm. In other words, the loose gear teeth are to the side of the mainshaft gear by that much. It was the same on all of my G31's you can see it in the marks on the gear teeth.
What I did was I used a thinner spacer washer. (another of the same from the other side of the bearing) What is supose to go ther is a 5.8mm but I substituted a 4 mm. Now the gears are completely engages together.
Here are some pictures.
original parts
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thinner washer
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Since my car has a v8 I wanted to have full engagement.

michal928 · Joined: 10 Sep 2008 Posts: 41 Location: Warsaw

In my car the 1st gear synchro ring is 931 302 301 02. In the servise i can not buy those part... Is any substitute for this part without any changes in gearbox? GT have 915 302 301 06 - this i can buy in service - are there any changes between this two parts? Or they are identical?