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  Topic: My "Rat rod" 924 NA turbo conversion.
Cedric

Replies: 127
Views: 225057

PostForum: Performance Upgrades   Posted: Wed Apr 29, 2026 4:04 pm   Subject: My "Rat rod" 924 NA turbo conversion.


Rare and expensive parts!
I don't remember if I checked with CMS, I think they were out of stock.

I thought my 1st slider was very worn, but I got a second opinion that said it wasn't too bad ...
  Topic: My "Rat rod" 924 NA turbo conversion.
Cedric

Replies: 127
Views: 225057

PostForum: Performance Upgrades   Posted: Tue Apr 28, 2026 6:52 pm   Subject: My "Rat rod" 924 NA turbo conversion.
Very interesting to see the guts of the G31! I'll be there with you sooner or later... I still can't believe how well mine has held up, and how well I've adapted to driving it, despite seemingly no 1s ...
  Topic: My "Rat rod" 924 NA turbo conversion.
Cedric

Replies: 127
Views: 225057

PostForum: Performance Upgrades   Posted: Sat Apr 25, 2026 2:28 am   Subject: My "Rat rod" 924 NA turbo conversion.
One mans trash is another mans treasure Especially when it comes to G31 parts

How did you do with the ramps, just swapped around acceleration and braking side? What will the end result be ...
  Topic: 931 custom in need of some love
Cedric

Replies: 85
Views: 79181

PostForum: 931 Tech.   Posted: Thu Apr 23, 2026 5:34 am   Subject: 931 custom in need of some love
We need to get you the official title of 924.board historian cedric. Crazy the thing you can reference from so far back in time with pictures and videos and all. Very helpful and impressive.

Yes I ...
  Topic: 931 custom in need of some love
Cedric

Replies: 85
Views: 79181

PostForum: 931 Tech.   Posted: Wed Apr 22, 2026 5:04 am   Subject: 931 custom in need of some love
Heres an in car, though i think it was around 380hp then. The car looks like a worn 931 on the outside, so many surprised looks for sure

https://youtu.be/VhlOFDjZ2y0?is=DWfDkyBb9Dx6gkOM


htt ...
  Topic: 931 custom in need of some love
Cedric

Replies: 85
Views: 79181

PostForum: 931 Tech.   Posted: Wed Apr 22, 2026 4:54 am   Subject: 931 custom in need of some love
Mistype on the last one, they're 30 mm bars sorry about that guys

I'm thinking replating too, glad I wasn't worried about nothing

Yes I've followed magnus's and the italians build and they've bo ...
  Topic: 931 custom in need of some love
Cedric

Replies: 85
Views: 79181

PostForum: 931 Tech.   Posted: Wed Apr 22, 2026 3:46 am   Subject: 931 custom in need of some love
Now that is a genuine Rally Race car. Wish I had the freedom to go that far with old girl here lol, unfortunately the customer want's something that is still relatively nice on street. Very hard to ma ...
  Topic: 931 custom in need of some love
Cedric

Replies: 85
Views: 79181

PostForum: 931 Tech.   Posted: Tue Apr 21, 2026 5:40 pm   Subject: 931 custom in need of some love
history is just a cycle of it repeating itself lol. so incredible that 20 years ago somebody does the same exact thing but to an even crazier degree... Any way of finding this guy cedric?

Will get ...
  Topic: Valve lapping and clearance adjusting screws concern.
Cedric

Replies: 8
Views: 2070

PostForum: General Discussions   Posted: Tue Apr 14, 2026 11:24 pm   Subject: Valve lapping and clearance adjusting screws concern.
There are several classes of screws(indicated by the marking on the end), it might work, might bottom one out(be aware not to screw them to far, you could get around by swapping them around if you are ...
  Topic: New high pressure fuel pump but low system pressure
Cedric

Replies: 8
Views: 2096

PostForum: 931 Tech.   Posted: Fri Apr 10, 2026 5:14 pm   Subject: New high pressure fuel pump but low system pressure
Removed and inspected the system pressure regulator. Looks pretty good, o rings seem fine and no wear on the control piston. Had two shims installed.
Guess the spring could have weakened over time wh ...
  Topic: New high pressure fuel pump but low system pressure
Cedric

Replies: 8
Views: 2096

PostForum: 931 Tech.   Posted: Thu Apr 09, 2026 11:38 pm   Subject: New high pressure fuel pump but low system pressure
Maybe its time for a rebuild of the system pressure regulator, it sits in the fuel distributor and have some orings than can dry out, ball, spring and shims. Its very easy to take out and rebuild.
...
  Topic: 931 custom in need of some love
Cedric

Replies: 85
Views: 79181

PostForum: 931 Tech.   Posted: Thu Apr 09, 2026 5:25 pm   Subject: 931 custom in need of some love
Oh btw, could you measure the GTS inlet length if you have time? Good reference data to have to understand their intentions.

Heres a pic from my intercooler thread:
https://rejsa.nu/im/user/1552/2 ...
  Topic: 931 custom in need of some love
Cedric

Replies: 85
Views: 79181

PostForum: 931 Tech.   Posted: Thu Apr 09, 2026 5:21 pm   Subject: 931 custom in need of some love
The intake is from mittelmotor and is high quality, going to get it 3d scanned by a buddy of mine with a very nice scanner. Was tempted to make one myself but there's no way to replicate the factory l ...
  Topic: 931 custom in need of some love
Cedric

Replies: 85
Views: 79181

PostForum: 931 Tech.   Posted: Wed Apr 08, 2026 7:31 pm   Subject: 931 custom in need of some love
Really cool with the GTS intake, though having a more generic compresor cover would have made it a bit easier to rotate it around, the reason i swapped to 951 compressor housing Its really a huge c ...
  Topic: 931 custom in need of some love
Cedric

Replies: 85
Views: 79181

PostForum: 931 Tech.   Posted: Wed Apr 08, 2026 6:38 am   Subject: 931 custom in need of some love
Slowly getting there! Do you make the adapters yourself? I really recommend the carrera discs up front while you are there, they cost very little and add quite a bit of extra cooling with the extra 3m ...
 
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