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  Topic: 931 Tech To do list
MOTANUL

Replies: 40
Views: 1175

PostForum: 931 Tech.   Posted: Mon Jan 21, 2019 10:03 am   Subject: 931 Tech To do list
I found these spark plugs recommended for 924 Turbo 1980 in:
autoatlanta : Spark Plug - Genuine Porsche G99917017590 Known as: spark plug - Bosch - wr 6 ds
Haynes - From here I put the picture / B ...
  Topic: 931 Tech To do list
MOTANUL

Replies: 40
Views: 1175

PostForum: 931 Tech.   Posted: Mon Jan 21, 2019 5:45 am   Subject: 931 Tech To do list


Bosch 3 is recommended in the UK manual. Some manuals/ suppliers list 4, others 5!! 924 NA is 7 which is too hot for our boosted motor

Plugs are only too cold if they are fouling and not runnin ...
  Topic: 931 Tech To do list
MOTANUL

Replies: 40
Views: 1175

PostForum: 931 Tech.   Posted: Mon Jan 21, 2019 5:26 am   Subject: 931 Tech To do list


IIRC its 23 x 35 stock. But it doesn't really matter. Get a pair of whatever you can get as they are NLA new.

Easy to say hard to find them.
On Monday I expect a response from someone ...
  Topic: 931 Tech To do list
MOTANUL

Replies: 40
Views: 1175

PostForum: 931 Tech.   Posted: Sun Jan 20, 2019 8:22 pm   Subject: 931 Tech To do list
If no one knows, we're going to the next ones.

I decided to cut spark plug wires (ignition lead) to size. Even the original size are longer than it should be.

1. There is another hose (vacuum wi ...
  Topic: 931 Tech To do list
MOTANUL

Replies: 40
Views: 1175

PostForum: 931 Tech.   Posted: Sat Jan 19, 2019 3:44 am   Subject: 931 Tech To do list
I can not find the bushing at the end of the stabilizer bar. (23 mm antiroll bar)

Even worse: on one side I have a dimension and on the other side I have another dimension.

23mm / 30 mm - 23 mm ...
  Topic: 931 Tech To do list
MOTANUL

Replies: 40
Views: 1175

PostForum: 931 Tech.   Posted: Fri Jan 18, 2019 4:50 am   Subject: 931 Tech To do list
Very nice! I now have 2 solutions.
Problem solved.
I ordered: Distributor Rotor / distributor cap / ignition lead set / dust cover for distributor / and some bushing for antiroll bar

Ref ...
  Topic: 931 Tech To do list
MOTANUL

Replies: 40
Views: 1175

PostForum: 931 Tech.   Posted: Wed Jan 16, 2019 5:34 am   Subject: 931 Tech To do list
Thank you Johann.

I took a cable to check if I can shorten it. I think it can be shortened quite easily.

Later I will mount a system of brackets like the normaly aspirated versions.
I think I ...
  Topic: 931 Tech To do list
MOTANUL

Replies: 40
Views: 1175

PostForum: 931 Tech.   Posted: Tue Jan 15, 2019 1:28 am   Subject: 931 Tech To do list
There are signs of abrasion - More obvious to only one wire.

I'll check if they can be shortened.
Was the original system supported in any way?

At 924 NA I had 2.

https://i.ibb.co/b5kygpx/2 ...
  Topic: 931 Tech To do list
MOTANUL

Replies: 40
Views: 1175

PostForum: 931 Tech.   Posted: Mon Jan 14, 2019 9:10 am   Subject: 931 Tech To do list
Let's go ahead with another question.

Ref. to spark plug wires:

They do not seem to have a support which would not allow them to touch the hot engine.

How are the spark plug wires arranged o ...
  Topic: 931 Tech To do list
MOTANUL

Replies: 40
Views: 1175

PostForum: 931 Tech.   Posted: Sat Jan 12, 2019 10:31 pm   Subject: 931 Tech To do list
For me starting away from stand still is better at the dog leg box. (924 NA).

10-20 meters were pulling both rear wheels with dog leg.

After I put Audi gearbox maybe 10 cm both rear wheels are w ...
  Topic: 931 Tech To do list
MOTANUL

Replies: 40
Views: 1175

PostForum: 931 Tech.   Posted: Sat Jan 12, 2019 5:25 am   Subject: 931 Tech To do list
It's still not clear to me if speed 1 and reverse are going badly because of shifting mechanism or something is wrong inside the gearbox (dog leg).

Sometimes works good - sometimes not.

Synchron ...
  Topic: 931 Tech To do list
MOTANUL

Replies: 40
Views: 1175

PostForum: 931 Tech.   Posted: Sat Jan 12, 2019 12:27 am   Subject: 931 Tech To do list
I have 3 dog leg shifting mechanism. ((including the one on the car)

The one on the car seems to have big play - to rebuild it is a must do. I think the best of them is this (from the images below) ...
  Topic: 931 Tech To do list
MOTANUL

Replies: 40
Views: 1175

PostForum: 931 Tech.   Posted: Fri Jan 11, 2019 10:39 am   Subject: 931 Tech To do list
Get a disk brake cleaner spray and clean all that oil from the top-down.

Or, it may be the rear main seal, case in which you need to either take the engine out or perhaps you can take the gearbox o ...
  Topic: 931 Tech To do list
MOTANUL

Replies: 40
Views: 1175

PostForum: 931 Tech.   Posted: Fri Jan 11, 2019 10:31 am   Subject: 931 Tech To do list
Thanks for the help.

The gear box will be out of the car. Also the torque tube out, shift mechanism out (I want to check it close - even changed some parts), exhaust out, clutch operating cylinder ...
  Topic: 931 Tech To do list
MOTANUL

Replies: 40
Views: 1175

PostForum: 931 Tech.   Posted: Fri Jan 11, 2019 6:29 am   Subject: 931 Tech To do list
The first problem is solved.
2. The worst of them. 931 clutch.
There are two clutch problems:
- The bearing from pressure plate makes noise (or other bearing)
- oil leak between engine and centr ...
 
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