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resident samsquamch
Join Date: Oct 2005
Location: Cooterville, Cackalacky
Posts: 6,815
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3.3 fully finned cylinders
I'm in the process of rebuilding my 1987 930 and am considering the use of the 965 style fully finned cylinders. My engine only has 42,000 miles and I'm pretty sure that the pistons can be re-used (with new rings). Can JUST the cylinders be ordered or can I only get the kit? Approximately how much $$$? Not sure I'll have the budget for "Nickies", and I think the basic Mahle 965 cylinders would be a sufficient upgrade. Please advise.
Thanks, Jeff |
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11-30-2005, 08:56 AM
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Registered
Join Date: Oct 2001
Location: Momence, IL 60954
Posts: 1,911
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I'm not aware of anyone selling just Mahle cylinders unless they have a broken set or not. You may want to place a classified ad out there to see if you can find a good set, although there is no guarantee that they will be an exact fit. Make sure to measure your pistons and existing cylinders so you have a baseline to compare to the replacements. You can always coat the skirts to close up the clearance, but in my experience the sacrificial nature of the skirt coatings don't make this solution a particularly long lived one.
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Charles Navarro President, LN Engineering and Bilt Racing Service http://www.LNengineering.com Home of Nickies, IMS Retrofit, and IMS Solution |
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11-30-2005, 04:18 PM
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resident samsquamch
Join Date: Oct 2005
Location: Cooterville, Cackalacky
Posts: 6,815
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Thanks for taking the time to respond, Charles!
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11-30-2005, 05:18 PM
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resident samsquamch
Join Date: Oct 2005
Location: Cooterville, Cackalacky
Posts: 6,815
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Quote:
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11-30-2005, 05:28 PM
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Registered
Join Date: Feb 2003
Location: Orange County, California
Posts: 1,257
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Jeff, if you can't find some 965 cylinders another option would be 3.2 cylinders bored and replated to match you pistons.
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11-30-2005, 07:56 PM
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Irrationally exuberant
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There are 4 different diameter tolerance groups for the Porsche cylinders. Someone with a good selection of them (EBS?) might be able to get you a matching set but it would be long shot.
-Chris
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'80 911 Nogaro blue Phoenix! '07 BMW 328i 245K miles! http://members.rennlist.org/messinwith911s/ |
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12-03-2005, 10:57 AM
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Forced Induction Junkie
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If you use the 965 cylinders, don't forget the viton O-rings that fit in the cylinder bases. It will leak like crazy otherwise.
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Dave '85 930 Factory Special Wishes Flachbau Werk I Zuffenhausen 3.3l/330BHP Engine with Sonderwunsch Cams, FabSpeed Headers, Kokeln IC, Twin Plugged Electromotive Crankfire, Tial Wastegate(0.8 Bar), K27 Hybrid Turbo, Ruf Twin-tip Muffler, Fikse FM-5's 8&10x17, 8:41 R&P |
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12-03-2005, 01:03 PM
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The Blue Pheonix
1985 Porsche 930 Fac. Slantnose 3.3l
