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Search: Posts Made By: medarwin
Forum: 911 Engine Rebuilding Forum 08-15-2018, 09:46 AM
Replies: 2
Views: 336
Posted By medarwin
1982 911SC 3.0 timing chain play

Hey all,

Putting things back together and realize I failed to see how much play was in the lower sides of the timing chains when I disassembled. What is acceptable?

Thanks, Darwin
Forum: Porsche 911 Used Parts For Sale & Wanted 08-15-2018, 08:00 AM
Replies: 2
Views: 159
Posted By medarwin
Thanks Olin. Decided to go with the Stomski solid...

Thanks Olin. Decided to go with the Stomski solid mechanicals. That way I never have to worry about them.
Forum: Porsche 911 Used Parts For Sale & Wanted 08-14-2018, 01:02 PM
Replies: 2
Views: 159
Posted By medarwin
WTB 930.105.501.OR chain tensioner

Need one if anyone has one. 930.105.501.OR
Thx, Darwin
Forum: Porsche 911 Technical Forum 07-05-2018, 11:18 AM
Replies: 10
Views: 382
Posted By medarwin
No broken rings. Oddly, the rings that came out...

No broken rings. Oddly, the rings that came out moved freely in the constricted land. The damage was discovered when the new ring couldn't be seated into the ring groove. All other pistons...
Forum: Porsche 911 Technical Forum 07-05-2018, 11:06 AM
Replies: 10
Views: 382
Posted By medarwin
Running just fine. And with 5 broken head...

Running just fine. And with 5 broken head studs. No reason why it wouldn't. The disfigurement did not cause the piston to contact the cylinder wall and as I said, the oil ring moved freely and...
Forum: Porsche 911 Technical Forum 07-05-2018, 07:23 AM
Replies: 10
Views: 382
Posted By medarwin
THe oil scrape land above the wrist pin. The...

THe oil scrape land above the wrist pin. The top edge of the bore for the wrist pin is cracked and pushed up the bottom of the land.

Detonation makes sense. I never had an issue with it but I...
Forum: Porsche 911 Used Parts For Sale & Wanted 07-05-2018, 07:18 AM
Replies: 11
Views: 408
Posted By medarwin
Does anyone have anything? I can get a set of...

Does anyone have anything? I can get a set of six very reasonably but I don't need five paperweights.....
Forum: Porsche 911 Technical Forum 07-05-2018, 05:19 AM
Replies: 10
Views: 382
Posted By medarwin
Cause of cracked oil ring land?

Hi,

This is what I found when re-assembling my engine after head and manifold stud replacement. There is a crescent shaped crack and the land is pushed up towards the top of the piston. Sorry...
Forum: Porsche 911 Used Parts For Sale & Wanted 07-04-2018, 11:53 AM
Replies: 11
Views: 408
Posted By medarwin
Cracked RIng Land

Here is a picture Determined. Not sure what caused this but trying to figure it out. Not the best photo but if you look closely you can see the crescent shaped...
Forum: Porsche 911 Used Parts For Sale & Wanted 07-04-2018, 11:42 AM
Replies: 11
Views: 408
Posted By medarwin
Thanks for the responses, I should have been more...

Thanks for the responses, I should have been more clear, it is a 9.3 CR from a 1982 SC, US version 3.0L. Stamping # 95152.

Thx, Darwin
Forum: Porsche 911 Used Parts For Sale & Wanted 07-03-2018, 06:59 AM
Replies: 11
Views: 408
Posted By medarwin
WTB Porsche 911sc 3.0L Kolbenschmidt Piston

Need a replacement piston. During a teardown to replace broken head studs found a crack in the oil scrape ring land above the wrist pin. Thanks if anyone can help.
Forum: 911 Engine Rebuilding Forum 06-04-2018, 05:20 PM
Replies: 3
Views: 286
Posted By medarwin
A little tiny screwdriver did the trick, they...

A little tiny screwdriver did the trick, they were quite gooped in as a result of the broken head studs. I used a shop rag as a cantilever to avoid the screwdriver contacting anything but the...
Forum: Porsche 911 Technical Forum 06-04-2018, 05:18 PM
Replies: 5
Views: 260
Posted By medarwin
A little tiny screwdriver did the trick, they...

A little tiny screwdriver did the trick, they were quite gooped in as a result of the broken head studs. I used a shop rag as a cantilever to avoid the screwdriver contacting anything but the...
Forum: Porsche 911 Technical Forum 06-04-2018, 07:29 AM
Replies: 5
Views: 260
Posted By medarwin
Removing Cylinder Ring Gasket 82 911 SC

Hi,

Anyone have a trick to removing these? I made a few attempts using a seal puller but am concerned about buggering up the edges of the mating surfaces. Cross posting on 911 Rebuild

Thanks...
Forum: 911 Engine Rebuilding Forum 06-04-2018, 07:28 AM
Replies: 3
Views: 286
Posted By medarwin
Removing Cylinder Ring Gasket 82 911 SC

Hi,

Anyone have a trick to removing these? I made a few attempts using a seal puller but am concerned about buggering up the edges of the mating surfaces. Cross posting on 911 Tech

Thanks if...
Forum: Porsche 911 Technical Forum 05-28-2018, 01:31 PM
Replies: 9
Views: 459
Posted By medarwin
Not sure which cylinders are on it. Below is a...

Not sure which cylinders are on it. Below is a pic of the part #. Does anyone know the size of the cylinders on a stock USA SC 3.0L? My micrometer took a walk and is hiding in my garage...
Forum: Porsche 911 Technical Forum 05-28-2018, 06:33 AM
Replies: 9
Views: 459
Posted By medarwin
Replacing broken head studs/reinstalling cylinders

Hello, the saga continues. I am finally down to the case (which I am not splitting) and believe I have erred in my dis-assembly. I did not want to pull the pistons (don't ask why) so pulled the...
Forum: Porsche 911 Technical Forum 05-25-2018, 02:18 PM
Replies: 38
Views: 1,661
Posted By medarwin
How large did you make the hole? What size easy...

How large did you make the hole? What size easy out did you use? Thanks.
Forum: 911 Engine Rebuilding Forum 05-25-2018, 02:15 PM
Replies: 7
Views: 435
Posted By medarwin
OK, thanks. Will try it tomorrow. Going to...

OK, thanks. Will try it tomorrow. Going to drink scotch tonight instead of working on the engine. Are the keys just standard issue when replacing or are they made of unobtainium and priced in...
Forum: Porsche 911 Technical Forum 05-25-2018, 02:14 PM
Replies: 6
Views: 214
Posted By medarwin
OK, thanks. Will try it tomorrow. Going to...

OK, thanks. Will try it tomorrow. Going to drink scotch tonight instead of working on the engine. Are the keys just standard issue when replacing or are they made of unobtainium and priced in...
Forum: Porsche 911 Technical Forum 05-25-2018, 12:20 PM
Replies: 6
Views: 214
Posted By medarwin
Cam removal problem, 1982 911 SC 3.0

Hey to all,
Removed the cam sprockets and cannot get the woodruff keys out. Wayne's book indicates to "pry them out" using a small screwdriver, I cannot get them to budge. Any hints? Cross...
Forum: 911 Engine Rebuilding Forum 05-25-2018, 12:17 PM
Replies: 7
Views: 435
Posted By medarwin
Cam removal problem, 1982 911 SC 3.0

Hey to all,
Removed the cam sprockets and cannot get the woodruff keys out. Wayne's book indicates to "pry them out" using a small screwdriver, I cannot get them to budge. Any hints? Cross...
Forum: Porsche 911 Technical Forum 05-25-2018, 11:14 AM
Replies: 38
Views: 1,661
Posted By medarwin
I am doing the heads myself, just lapping in...

I am doing the heads myself, just lapping in valves. I am going to drill them out and chase the threads. I am trying to buy or rent a used Stomski or quiet Boom but no luck so far. I think my...
Forum: Porsche 911 Used Parts For Sale & Wanted 05-24-2018, 04:14 AM
Replies: 0
Views: 94
Posted By medarwin
WTB, Stud removal tool kit Such as Stomski or Quiet Boom

Looking to buy or rent a used drilling template for 2 broken exhaust studs. Port size is stock USA 82 3.0L H6. PM me if anyone has something available. Thanks. Darwin
Forum: Porsche 911 Used Parts For Sale & Wanted 05-23-2018, 10:00 AM
Replies: 18
Views: 1,598
Posted By medarwin
PM me on this please, no point in wasting space...

PM me on this please, no point in wasting space on the forum. Thx
Showing results 1 to 25 of 58

 
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