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  Topic: STEP 1/1000+ COME ALONG FOR THE RIDE
924RACR

Replies: 41
Views: 3021

PostForum: 931 Tech.   Posted: Wed Mar 27, 2024 8:21 am   Subject: STEP 1/1000+ COME ALONG FOR THE RIDE
Duh, sorry - the firewall grounding is the same as used for mounting the ignition coil.
  Topic: STEP 1/1000+ COME ALONG FOR THE RIDE
924RACR

Replies: 41
Views: 3021

PostForum: 931 Tech.   Posted: Tue Mar 26, 2024 9:44 am   Subject: STEP 1/1000+ COME ALONG FOR THE RIDE
LOL! Well there's your problem right there!

There should be a ground strap from one of the intake studs to the body at the firewall, and obviously from the battery to the body. Presumably the one y ...
  Topic: 924 Suspension Setup
924RACR

Replies: 16
Views: 667

PostForum: General Discussions   Posted: Mon Mar 11, 2024 10:04 pm   Subject: 924 Suspension Setup
We run the racecar down at 5" at the sills up front(not including the pinch weld), 5.25" at the rear, by class rules... though I guess we could go even lower now that we've changed classes. ...
  Topic: 924 Suspension Setup
924RACR

Replies: 16
Views: 667

PostForum: General Discussions   Posted: Sun Mar 10, 2024 9:50 pm   Subject: 924 Suspension Setup
Doesn't sound like enough rear camber; from the book, seems like you want to be more like 1.5 degrees. Similarly, too much front camber, book says 0.25-0.5 degrees. Add that to nose up, instead of nos ...
  Topic: Injector cup for EFI?
924RACR

Replies: 20
Views: 690

PostForum: General Discussions   Posted: Wed Mar 06, 2024 10:45 pm   Subject: Injector cup for EFI?
Amusingly enough - if we kept using the distributor, not going crank-fire with an EFI system, it would be ITB legal too. But that would negate much of the advantage IMO, and more to the point ITB is a ...
  Topic: Injector cup for EFI?
924RACR

Replies: 20
Views: 690

PostForum: General Discussions   Posted: Tue Mar 05, 2024 8:10 am   Subject: Injector cup for EFI?
Honestly I think one of the most time-consuming things when I converted my Turbo was making the wiring. Lots of time invested there, particularly to do it both right and well, IMO actually more comple ...
  Topic: Injector cup for EFI?
924RACR

Replies: 20
Views: 690

PostForum: General Discussions   Posted: Tue Mar 05, 2024 4:22 am   Subject: Injector cup for EFI?
I assume you mean 2k Euro...

But yeah, not at all a bad price! I think I was nearly at $2k USD just for the parts for my 931 conversion...
  Topic: Injector cup for EFI?
924RACR

Replies: 20
Views: 690

PostForum: General Discussions   Posted: Mon Mar 04, 2024 11:00 pm   Subject: Injector cup for EFI?
Damn, forgot about yours! Those would definitely be more plug-n-play. Was just looking at mine again yesterday, trying to remember exactly how I modded them, beyond just trimming off the flanges.

A ...
  Topic: Injector cup for EFI?
924RACR

Replies: 20
Views: 690

PostForum: General Discussions   Posted: Sun Mar 03, 2024 10:02 pm   Subject: Injector cup for EFI?
I used VW part # 058 133 555 for my conversions; first on a 931, next up soon on a 924 NA.

It's a plastic piece, requires a little work to fit the long-nose injectors (I used Bosch 0 280 158 123 f ...
  Topic: Modifications for 78 Porsche 924
924RACR

Replies: 11
Views: 1132

PostForum: Performance Upgrades   Posted: Sat Mar 02, 2024 10:17 pm   Subject: Modifications for 78 Porsche 924
One thing missing: what kind of racing are you looking to do?
  Topic: Question Upload Photo
924RACR

Replies: 1
Views: 430

PostForum: General Discussions   Posted: Sun Feb 25, 2024 10:14 pm   Subject: Question Upload Photo
Hey Gary, welcome back!

Still can't put pics directly on the site, pics must be put somewhere else then can be linked over.

Many will upload them somewhere else free, like Rennlist, then link ov ...
  Topic: Seamless, bolt-on, plug-in EFI kit for the 924 & 931
924RACR

Replies: 102
Views: 20575

PostForum: General Discussions   Posted: Thu Feb 22, 2024 6:35 am   Subject: Seamless, bolt-on, plug-in EFI kit for the 924 & 931
Man, if ONLY there was someone that made a kit like this for a 931. Dang, wouldn't that be nice




Oy! Read!



Right?!?
  Topic: Five-speed conversion
924RACR

Replies: 8
Views: 414

PostForum: Performance Upgrades   Posted: Thu Feb 22, 2024 12:20 am   Subject: Five-speed conversion
Correct, you'd need the shifter rod with the different length than the 4-speed.

A 944 or 931 5-speed (non-dogleg, obviously) would be decidedly more work (due to the larger input shaft) than gettin ...
  Topic: SUPERCHARGER kit for the 2L, now out there
924RACR

Replies: 164
Views: 99725

PostForum: General Discussions   Posted: Mon Feb 19, 2024 5:55 am   Subject: SUPERCHARGER kit for the 2L, now out there
Hmmm, we've been plagued by slight misfire above 5000rpm on the NA racecar, basically since day 1. It tends to be tied to some accretion/build-up on the contacts in the distributor cap, presumably fro ...
  Topic: can i reuse old rings once removed from pistons?
924RACR

Replies: 8
Views: 664

PostForum: General Discussions   Posted: Sat Feb 17, 2024 9:56 pm   Subject: can i reuse old rings once removed from pistons?
A, new and fresh.
 
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