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  Topic: Seamless, bolt-on, plug-in EFI kit for the 924 & 931
924RACR

Replies: 134
Views: 30512

PostForum: General Discussions   Posted: Wed Jun 05, 2024 9:46 pm   Subject: Seamless, bolt-on, plug-in EFI kit for the 924 & 931
Oh my oh my...

Was just out in BC last weekend - but didn't make it to Vancouver, we flew into Seattle, visited my engine builder in Bellingham, then drove up to the Kelowna area for the weekend... ...
  Topic: 924 Fuel Pump Nut
924RACR

Replies: 2
Views: 450

PostForum: General Discussions   Posted: Wed May 15, 2024 8:52 pm   Subject: 924 Fuel Pump Nut
That pump certainly looks right; on the outlet side, you have the banjo fitting going on the end of the check valve that comes with and screws into the pump... so it sounds like maybe you are missing ...
  Topic: Identifying this… 924? Aero…? Plz help
924RACR

Replies: 20
Views: 1478

PostForum: General Discussions   Posted: Tue May 14, 2024 11:47 pm   Subject: Identifying this… 924? Aero…? Plz help
Yeah, probably a good candidate for a 1.8T swap or such - get the performance to match the looks!
  Topic: 924 Brake Bleeding Woes!
924RACR

Replies: 5
Views: 559

PostForum: General Discussions   Posted: Sun May 12, 2024 9:24 pm   Subject: 924 Brake Bleeding Woes!
That's a strange one.

We too have struggles every time we bleed the RF on our '79 - but it's been converted to 5-lug and so has a bit different line routing... and the problem is different, not blo ...
  Topic: 1977 924 Martini Edition. Hoping to get it back on the road!
924RACR

Replies: 8
Views: 721

PostForum: General Discussions   Posted: Sun May 05, 2024 8:53 pm   Subject: 1977 924 Martini Edition. Hoping to get it back on the road!
Hey, I recognize that car! Was seeing the ads floating around in the feeds...

Yeah, can ditch that vac regulator, and yes you can plug the vacuum ports to the engine, we run with none on our raceca ...
  Topic: Porsche 924 won't start
924RACR

Replies: 15
Views: 1802

PostForum: General Discussions   Posted: Sat May 04, 2024 9:09 pm   Subject: Porsche 924 won't start
I am a bit confused about the statement:

Turns out mine has current when ignition's off, but when ignition on, it no longer has current.
Furthermore, instead of having 6V on 15 with ignition on, t ...
  Topic: 1977 924 Martini Edition. Hoping to get it back on the road!
924RACR

Replies: 8
Views: 721

PostForum: General Discussions   Posted: Sat May 04, 2024 8:59 pm   Subject: 1977 924 Martini Edition. Hoping to get it back on the road!
Welcome!

Where exactly are you in SW MI?

Re: vacuum booster - I assume you mean the little goofy thing on the fender with 4 small vacuum lines going to it, not the brake booster? Yeah, I should ...
  Topic: 924 Torque Tube Refresh
924RACR

Replies: 5
Views: 718

PostForum: General Discussions   Posted: Mon Apr 29, 2024 9:38 pm   Subject: 924 Torque Tube Refresh
Ah, just east of Cleveland... "Hello, Cleveland!!!"
  Topic: Ignition Timing Map
924RACR

Replies: 18
Views: 1441

PostForum: Performance Upgrades   Posted: Sun Apr 28, 2024 8:57 pm   Subject: Ignition Timing Map
Yeah, that's not too bad for CIS... I wouldn't mind a bit richer, to cover the low end of the RPM range, but agreed, should be decent to roll in timing...

Have fun!
  Topic: Ignition Timing Map
924RACR

Replies: 18
Views: 1441

PostForum: Performance Upgrades   Posted: Sat Apr 27, 2024 11:32 pm   Subject: Ignition Timing Map
Actually I'd say #3 tends to be hottest, at least on my NA.

...and now you're seeing why we all like modern EFI...
  Topic: 924 started, wouldn’t idle, then didn’t start again… h
924RACR

Replies: 13
Views: 1430

PostForum: General Discussions   Posted: Sat Apr 27, 2024 5:41 am   Subject: 924 started, wouldn’t idle, then didn’t start again… h
Good deal.

One last bit, have you verified power and ground at the pump? Not disputing your assessment of the likely state of the pump itself, but would be wise to check those as well before gettin ...
  Topic: 924 started, wouldn’t idle, then didn’t start again… h
924RACR

Replies: 13
Views: 1430

PostForum: General Discussions   Posted: Sat Apr 27, 2024 4:05 am   Subject: 924 started, wouldn’t idle, then didn’t start again… h
Those rubber bumper mounts, aka vibration isolators, with studs at each end, are pretty generic metric auto parts; there should be good sources over there for such.

Here in the states I'd get 'em f ...
  Topic: Ignition Timing Map
924RACR

Replies: 18
Views: 1441

PostForum: Performance Upgrades   Posted: Mon Apr 22, 2024 9:11 pm   Subject: Ignition Timing Map
I'm surprised that your motor will knock that easily. Doesn't seem right, perhaps it wants some clean-up in the combustion chambers?

We also have an NA racecar, with a basically stock NA head on it ...
  Topic: Ignition Timing Map
924RACR

Replies: 18
Views: 1441

PostForum: Performance Upgrades   Posted: Sun Apr 21, 2024 9:24 am   Subject: Ignition Timing Map
Thanks for the data.

Couple questions:

1. You have all your timing in at 2500 RPM from 85 KPa upwards. I was going with the stock Porsche ignition curve being all-in at 3000-4000rpm, are they to ...
  Topic: Water tight Battery tray after welding - what to use?
924RACR

Replies: 6
Views: 1182

PostForum: General Discussions   Posted: Fri Apr 19, 2024 4:02 am   Subject: Water tight Battery tray after welding - what to use?
I repaired mine a couple of times; well, one steel repair, and then a re-seal from improperly sealing it the first time.

I used POR15 brand seam sealer, with POR15 coating over the top of both the ...
 
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