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Quote:
Originally Posted by Matt Monson View Post
Jeremy,
You have a type 911 gearbox. It’s not a 901. That’s why it will work the way I’m saying. You are confusing people talking about a 901. Its 901 based but it’s magnesium versus aluminum and the clutch thing.


Sorry for the confusion then. I was told it was a 901 and it said 901 on the side. I’m new and juts going with what the guy told me My bad

Thanks.

This is the numbers on the bottom
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Last edited by VWLoosenuts; 10-29-2017 at 09:10 PM..
Old 10-29-2017, 08:58 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #21 (permalink)
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Quote:
Originally Posted by davetaylor View Post
I know of you from the VW world so I'm looking forward to what ideas you can infuse into the Porsche side.

Congrats on your 912 and welcome to the forum!


Thank you. Pretty happy with it.
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Old 10-29-2017, 09:01 PM
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The plot thickens. Turns out it is a '69 transmission. NOT a pull clutch as we had thought. If you look at the clutch fork in #16 you can see it is not a pull clutch, the fork would face the other way if it was.

So I stand by my post in #15.

Here is some background on 902/16 , from a '69 912. Need 901 Info See #7.
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Old 10-29-2017, 10:05 PM
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'70-'71 clutch for comparison.
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Old 10-29-2017, 10:10 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #24 (permalink)
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A 69 tranny the clutch will be fine. Gotta use a 914 flywheel and pressure plate, not one from a VW bus. I think you are not gonna be able to use the 70-71 type 911 tranny. There is no flywheel made to fit a type 4 engine that uses a pull type clutch. (I guess you could MAKE a flwheel?)
A 923 tranny is a 915 with a bell housing for a push type (914 type) clutch. And a lower ratio ring and pinion, possibly different ratios as well. 923's have the sad luck that that ring and pinion is just great for certain short track uses behind a 911 engine, pushing their value up a lot. There was just a disassembled 923 on Ebay, WITH the R & P but not terribly expensive.
the other possibility is to use the 901 type tranny from a 1965-69 and use the 914 flywheel and 215mm clutch. Not sure how it will fit into the shifter and mount, tho.

Last edited by Alan Brase; 10-30-2017 at 04:05 AM..
Old 10-30-2017, 04:01 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #25 (permalink)
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Quote:
Originally Posted by Trackrash View Post
The plot thickens. Turns out it is a '69 transmission. NOT a pull clutch as we had thought. If you look at the clutch fork in #16 you can see it is not a pull clutch, the fork would face the other way if it was.

So I stand by my post in #15.

Here is some background on 902/16 , from a '69 912. Need 901 Info See #7.
There we go, thatís a 69 box. It will still work though, as youíve described.

Thatís got some nice ratios in it. Just watch out for the weak ring and pinion. Pull the side cover and inspect before installing.
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Old 10-30-2017, 06:06 AM
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Nice project! Got a 912e project going myself
Old 10-30-2017, 06:27 AM
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As was mentioned you will need to change the shifter and shifter rod in the tunnel. The 901/911 variants are different than the 915 variant. The 923 uses a 915 shifter and shift rod. You will have to change them out before you install the drivetrain.

The 901 shift rod is longer than the 915 since the transmission is overall shorter. The shift lockout mechanism for R is on the wrong side of this shifter.

Your 902/16 is a 69 912 transmission. It will be well matched to the Type4. It has a 6:29 CWP and this is why Matt mentioned to be careful. The 6 tooth pinion is not the strongest. Should be more than enough for a Type4 unless you are building something larger than 2270 or turbo.

Looks like a fun project.
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Old 10-30-2017, 06:38 AM
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Thanks for all the info guys.

Question for you guys. Would I be better off selling his one and try to find the correct 923 transmission?
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Old 10-30-2017, 07:23 AM
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There was one in the classifieds recently that nobody seemed to want. It was 3-4 times the price of your current box.
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Old 10-30-2017, 07:43 AM
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Good luck finding a good 923 tranny reasonably priced.
Ive been looking for one for months.
That's why I was so interested in how you were going to get a 901 to work.
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Old 10-30-2017, 07:58 AM
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Nice! You note the shell is in Eugene, Jeremy. If you live around here as well, you may be interested in dropping by the area PCA monthly coffee gathering. I sent you a PM about it. Weld enjoy talking with you about your car.
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Old 10-30-2017, 08:10 AM
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Originally Posted by Arne2 View Post
Nice! You note the shell is in Eugene, Jeremy. If you live around here as well, you may be interested in dropping by the area PCA monthly coffee gathering. I sent you a PM about it. Weld enjoy talking with you about your car.


I live Vancouver Washington but yes the shell is in Eugene at a friends shop.
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Old 10-30-2017, 08:27 AM
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Originally Posted by BK911 View Post
Good luck finding a good 923 tranny reasonably priced.
Ive been looking for one for months.
That's why I was so interested in how you were going to get a 901 to work.


My guess in reading though this. I need a stick shift and shift rod as well as a clutch plate from a 69 911. With a 914 flywheel and pressure plate??
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Old 10-30-2017, 08:29 AM
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Sitting at the shop waiting itís turn to get pulled on.


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Old 10-30-2017, 02:20 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #35 (permalink)
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Sitting at the shop waiting itís turn to get pulled on
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Old 10-30-2017, 02:22 PM
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Found a motor I will be picking up hopefully next weekend. Came from. 71 911T. Been sitting a while and will need to be gone through. But price wasnít bad.

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Old 11-03-2017, 08:43 AM
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wow! tht's some dry aged beef

your cars rear looks cut away? what happend? did I oversee something?
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Old 11-03-2017, 08:50 AM
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A six sounds good, but a 2.2T engine is only 110hp.
You can build a nice type 4 with >120hp pretty easily.
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Old 11-03-2017, 09:12 AM
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Quote:
Originally Posted by Flojo View Post
wow! tht's some dry aged beef

your cars rear looks cut away? what happend? did I oversee something?
yeah its been sitting but for $3,000 dollars I'm ok with it.


yeah it was in rear end accident. the rear quarter sections around the tail lights was removed by the OP. whish he didn't do that really
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Old 11-03-2017, 09:13 AM
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