| Author |
Message |
Topic: Valve adjustment-screws clearance after head rebuild |
coup85
Replies: 7
Views: 270
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Forum: General Discussions Posted: Tue Jun 09, 2026 3:42 am Subject: Valve adjustment-screws clearance after head rebuild |
| It hurts, trust me… I have had the car on stands for 6 months now; nothing has been easy. I assume there is some recession; yes, the head, in any case, went to the shop for checking and was sent bac ... |
Topic: ANYONE DOING ANYTHING EXCITING ON THEIR CAR ? |
coup85
Replies: 2281
Views: 4288159
|
Forum: General Discussions Posted: Mon Jun 08, 2026 11:59 pm Subject: ANYONE DOING ANYTHING EXCITING ON THEIR CAR ? |
| Completed the 944 radiator swap over the last couple of days . The original rad was completely shot . Got the car running on a single carb setup as a temporary setup to alow me to move it about under ... |
Topic: Valve adjustment-screws clearance after head rebuild |
coup85
Replies: 7
Views: 270
|
Forum: General Discussions Posted: Mon Jun 08, 2026 11:56 pm Subject: Valve adjustment-screws clearance after head rebuild |
| For now I’ve left the adjuster screws at the machine shop. They told me machining them shouldn’t be a problem. For the first batch I’m having between 0.15 mm and 0.40 mm removed, depending on th ... |
Topic: Valve adjustment-screws clearance after head rebuild |
coup85
Replies: 7
Views: 270
|
Forum: General Discussions Posted: Sun Jun 07, 2026 10:49 pm Subject: Valve adjustment-screws clearance after head rebuild |
| I was hoping to be able to leave the head in place but it looks like I'm running out of options, I'd need to take out almost 0.5 mm from some of the screws which I suppose is far from optimal. |
Topic: Valve adjustment-screws clearance after head rebuild |
coup85
Replies: 7
Views: 270
|
Forum: General Discussions Posted: Sun Jun 07, 2026 5:11 pm Subject: Valve adjustment-screws clearance after head rebuild |
The problem is that some of them are far away from spec; indeed, some of them are still contacting the lobes the entire cycle, so I don't even know how much to take.
I'm gonna try to switch some of ... |
Topic: Valve adjustment-screws clearance after head rebuild |
coup85
Replies: 7
Views: 270
|
Forum: General Discussions Posted: Sun Jun 07, 2026 6:12 am Subject: Valve adjustment-screws clearance after head rebuild |
| I’m rebuilding the head on my ’79 924 NA. The head had new valve guides installed and the valves/seats were refurbished at a machine shop. I’ve also installed new tappets and a used camshaft tha ... |
Topic: Flywheel installed in wrong position, how hard to change? |
coup85
Replies: 2
Views: 120
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Forum: General Discussions Posted: Sat May 30, 2026 9:31 pm Subject: Flywheel installed in wrong position, how hard to change? |
Appreciate it! My biggest concern is setting the timing right, as even though I've measured things like ten times, it's never gonna be as precise as the marks on the flying wheel.
Good luck today! ... |
Topic: Engine harness (76-77) now available in aftermarket |
coup85
Replies: 1
Views: 83
|
Forum: General Discussions Posted: Sat May 30, 2026 8:03 pm Subject: Engine harness (76-77) now available in aftermarket |
| I just remade mine (both alternator/starter and K-Jetronic) for a fraction of it, buying all the separated pieces on Aliexpress –all connectors are available except the 7-pin connector that I bought ... |
Topic: Flywheel installed in wrong position, how hard to change? |
coup85
Replies: 2
Views: 120
|
Forum: General Discussions Posted: Sat May 30, 2026 8:01 pm Subject: Flywheel installed in wrong position, how hard to change? |
I have a 1979 Porsche 924 2.0 NA. A while ago, a mechanic replaced the clutch and release bearing, and it looks like the flywheel was reinstalled in the wrong position.
I’ve confirmed true TDC ma ... |
Topic: Brass cam oil tube adapter - NOW a reality! |
coup85
Replies: 89
Views: 194004
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Forum: General Discussions Posted: Fri May 15, 2026 1:35 am Subject: Brass cam oil tube adapter - NOW a reality! |
| Hi Karl, do you still have units for sale? Postage includes delivery to Spain? Cheers! |
Topic: We're BACK BABY!!!! |
coup85
Replies: 8
Views: 350
|
Forum: General Discussions Posted: Tue May 12, 2026 1:47 am Subject: We're BACK BABY!!!! |
| Great!!!! Is there any way to help keep this site alive? |
Topic: Valve lapping and clearance adjusting screws concern. |
coup85
Replies: 8
Views: 2706
|
Forum: General Discussions Posted: Wed Apr 15, 2026 4:13 pm Subject: Valve lapping and clearance adjusting screws concern. |
| Thank you all. Noted on the followers; I'll remember to post the outcome in case anyone might find it helpful. |
Topic: Valve lapping and clearance adjusting screws concern. |
coup85
Replies: 8
Views: 2706
|
Forum: General Discussions Posted: Wed Apr 15, 2026 1:07 am Subject: Valve lapping and clearance adjusting screws concern. |
| Thanks, the truth is I never did the valve clearance adjustment, and I'm a little unsure about how to get it right, I have the Haynes –and some videos, but I suppose there is nothing like just tryin ... |
Topic: Valve lapping and clearance adjusting screws concern. |
coup85
Replies: 8
Views: 2706
|
Forum: General Discussions Posted: Tue Apr 14, 2026 9:38 pm Subject: Valve lapping and clearance adjusting screws concern. |
Doing a rebuild on my '79 924 2.0L. The head is at the machine shop right now and the machinist says everything looks mostly fine, but he wants to do a standard valve lapping.
My worry is the weird ... |
Topic: Help me make sense of these CIS results — ’79 924 NA |
coup85
Replies: 39
Views: 48929
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Forum: General Discussions Posted: Tue Sep 16, 2025 3:18 am Subject: Help me make sense of these CIS results — ’79 924 NA |
The truth is, the lack of information about it worries me a little. I found a couple of people talking about it. I can only find one, but both were talking about the same:
https://forums.pelicanpar ... |
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