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Showing results 1 to 15 of 15
Search took 0.01 seconds. Search: Posts Made By: 00 Scrub
Forum: 911 Engine Rebuilding Forum 10-04-2025, 09:30 PM
Replies: 777
Views: 199,072
Posted By 00 Scrub
What are people using to seal the crankcase vents...

What are people using to seal the crankcase vents (the opening covered in green tape) on GT3 blocks? I was planning to use Hylomar M. Any reason not to and use a silicone instead?
...
Forum: 911 Engine Rebuilding Forum 08-12-2025, 04:12 PM
Replies: 21
Views: 1,264
Posted By 00 Scrub
When I spoke to Izumi at WPC he said they treat...

When I spoke to Izumi at WPC he said they treat the cone in addition to the teeth. They only treat metallic syncros and not carbon fiber ones. I'm having my transmission re done right now and trying...
Forum: 911 Engine Rebuilding Forum 08-11-2025, 10:43 PM
Replies: 21
Views: 1,264
Posted By 00 Scrub
Anyone here have experience WPC treating syncros?...

Anyone here have experience WPC treating syncros? Seems odd to treat something so dependent on friction to function, but it's listed as something they do.
Forum: 911 Engine Rebuilding Forum 08-09-2025, 10:46 PM
Replies: 5
Views: 313
Posted By 00 Scrub
Thanks. The PET has most dimensions and have...

Thanks.
The PET has most dimensions and have found industrial equivalents to almost all of the ones I need. I was going to order them online from an oring shop.
What grade of Viton do you typically...
Forum: 911 Engine Rebuilding Forum 08-08-2025, 10:17 PM
Replies: 5
Views: 313
Posted By 00 Scrub
No, it's a 997 GT3 motor. So there is...

No, it's a 997 GT3 motor. So there is anitfreeze/water. All the water hoses are EPDM. I figure the o-rings are as well, but I'm not certain.
Forum: 911 Engine Rebuilding Forum 08-08-2025, 08:56 PM
Replies: 5
Views: 313
Posted By 00 Scrub
Mezger O-Ring Materials

I'm replacing a lot of O-rings in my oil and coolant system on my Mezger 3.8L. The OE Porsche prices are pretty astronomical for simple o-rings. Does anyone know what materials the OEM O-rings are...
Forum: 911 Engine Rebuilding Forum 08-08-2025, 08:54 PM
Replies: 4
Views: 369
Posted By 00 Scrub
Thanks. I didn't realize they did that. I ended...

Thanks. I didn't realize they did that. I ended up taking them to my welder Bob Wirth Race Engines in Hayward.
Forum: 911 Engine Rebuilding Forum 08-08-2025, 08:53 PM
Replies: 21
Views: 1,264
Posted By 00 Scrub
I recently got my 8:32 ring and pinion WPC...

I recently got my 8:32 ring and pinion WPC treated and DLC coated to help with wear and longevity.
I think the only downsides are cost. It seems that many folks in the Japanese engine building and...
Forum: 911 Engine Rebuilding Forum 07-31-2025, 09:44 AM
Replies: 4
Views: 369
Posted By 00 Scrub
Hot tanking shop for 997 GT3 engine castings (SF Bay Area)?

Hi, I was in the process of tearing down parts of my 997 GT3 motor in order to weld the coolant lines (pics here...
Forum: Porsche 911 Technical Forum 06-08-2025, 10:52 AM
Replies: 8
Views: 426
Posted By 00 Scrub
That increased sliding/number of cycles is why I...

That increased sliding/number of cycles is why I was theorizing some of these treatments might help. If the tooth surface tends to fail from surface pitting/fatigue some additional compressive stress...
Forum: Porsche 911 Technical Forum 06-05-2025, 08:10 PM
Replies: 8
Views: 426
Posted By 00 Scrub
This is for a 997 GT3 gearbox. Going from the...

This is for a 997 GT3 gearbox. Going from the stock 3.44 final drive to the cup 4.00 final drive.
Forum: Porsche 911 Technical Forum 06-05-2025, 09:53 AM
Replies: 8
Views: 426
Posted By 00 Scrub
Hi Matt, I was trying to reduce the amount of...

Hi Matt, I was trying to reduce the amount of wear/chance of damage from the increased contact pressure of an 8 tooth vs 9 tooth pinion. Basically try and give the 8 tooth pinion as much margin as...
Forum: Porsche 911 Technical Forum 06-04-2025, 11:17 PM
Replies: 8
Views: 426
Posted By 00 Scrub
Transmission WPC Treatment and DLC

I was planning on putting an 8 tooth pinion in my transmission and was wondering if folks had any experience either WPC treating and/or DLC coating the ring and pinion and other transmission...
Forum: Porsche 911 Technical Forum 03-03-2025, 07:18 PM
Replies: 3
Views: 354
Posted By 00 Scrub
Gearbox Parts Suppliers

I'm looking at some gearbox parts like syncros and shift selectors. It seems like there are a handful of suppliers in addition to the Porsche Genuine parts around. Is there an appreciable quality...
Forum: Porsche 911 Technical Forum 02-28-2025, 05:52 PM
Replies: 2
Views: 372
Posted By 00 Scrub
Gearbox Parts Suppliers

I'm looking at some gearbox parts like syncros and shift selectors. It seems like there are a handful of suppliers in addition to the Porsche Genuine parts around. Is there an appreciable quality...
Showing results 1 to 15 of 15

 
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