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Join Date: Jul 2023
Posts: 11
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Suggestions please.
Hello, need help deciding how to fix some damage done by a broken cyl stud.
Please see pic. Thank you.  
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10-10-2023, 04:32 AM
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Join Date: Dec 2014
Posts: 13,860
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Replace it.
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10-10-2023, 07:34 AM
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Join Date: Mar 2019
Posts: 1,614
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Yup, there's no fixing that. Replace it.
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10-10-2023, 08:48 AM
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Euuuuu, that’s nasty.
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10-10-2023, 11:47 AM
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Join Date: Jul 2021
Posts: 689
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If you find a skilled spray arc welder they'll give you a view on whether they can build the area back up there. Then it can be machined back to its original shape. But even if the welder says it will be sound, I suspect the cost would exceed the price of a replacement.
Sent from my SM-G988B using Tapatalk |
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10-10-2023, 12:23 PM
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Cylinder Head Inspection……….
The cylinder head that goes with this particular cylinder must have similar fate too. Inspect it for sealing surface damage. Do you still have Dilavar cylinder head studs on your motor?
Tony |
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10-10-2023, 01:03 PM
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It's a 914 ...
Join Date: Jan 2008
Location: Ossining, NY
Posts: 4,704
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Used replacement cylinders shouldn't be hard to find. You'll want to make sure you find one with a matching height group to match your other 5 cylinders. Depending on what you find, machining the new one (or the other 5) may be an option.
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10-10-2023, 01:15 PM
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Join Date: Jul 2023
Posts: 11
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Quote:
good thing is Head did not suffer any harm. I'll send it to be filled, and I will machine it. hope is doesn't get distorted with the heat. If that doesn't work, then I'll get a new one. studs are Dilavars. Thank you. |
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10-10-2023, 03:27 PM
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Join Date: Jan 2003
Location: Langley,B.C.
Posts: 12,000
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Quote:
Sure it could be done, at a cost the rivals the price of complete set of cylinders.
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Turn3 Autosport- Full Service and Race Prep www.turn3autosport.com 997 S 4.0, Cayman S 3.8, Cayenne Turbo, Macan Turbo, 69 911, Mini R53 JCW , RADICAL SR3 |
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10-10-2023, 10:09 PM
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That repair would be a huge can of worms.
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10-11-2023, 07:23 AM
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PCA Member since 1988
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Agree with all the others. You may have a tough time finding just one cylinder. You may have to buy a set of cylinders, possibly also matching pistons.
Also, put your location in your profile and signature line. Someone here may be close to you have have what you need.
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1973.5 911T with RoW 1980 SC CIS stroked to 3.2, 10:1 Mahle Sport p/c's, TBC exhaust ports, M1 cams, SSI's. RSR bushings & adj spring plates, Koni Sports, 21/26mm T-bars, stock swaybars, 16x7 Fuchs w Michelin Pilot Sport A/S 3+, 205/55-16 at all 4 corners. Cars are for driving. If you want art, get something you can hang on the wall! Last edited by PeteKz; 10-11-2023 at 12:00 PM.. |
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10-11-2023, 11:58 AM
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It's a 914 ...
Join Date: Jan 2008
Location: Ossining, NY
Posts: 4,704
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Here's a listing for a partial set of CIS cylinders, doesn't say which model:
F/S Assorted used air-cooled Porsche parts. Or reach out to user tom1394racing here on the forum, he is a straight shooter who has a ton of parts - he might be able to supply a single cylinder. |
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10-11-2023, 04:48 PM
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1983 Porsche 911SC
2004 Ferrari F360
2001 Porsche 996TT
