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Registered
Join Date: Aug 2006
Location: Surrey, UK
Posts: 76
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Sealer for throughbolts ..should we use it?
Hi ,
Started my 964 rebuild and I see Waynes book says use RTV on the O-ring throughbolts. But I see from the recent threads , James and Kirk's that no sealer was used only Silicone 111 grease as a lubricant. What's the opinion of others ..sealer or not or perhaps Threebond 1211 ? thanks Ian |
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02-18-2007, 02:51 AM
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I use dow corning 111 on my engines with no leaks. granted I have only done 4 911 engines but it has worked very well
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Ben 89 944,85.5 944 914-6 2.4s GT tribute. 914-6werkshop.com |
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02-18-2007, 04:00 AM
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Join Date: Oct 2003
Location: Central Fla
Posts: 1,864
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thru bolts
No sealer is advised, make sure that there is a chamfer at the hole (just enough to take the sharp edge off) so the o ring is not cut, DC 111 is good or some heavy assy. oil will work fine too.
Mike Bruns JBRacing.com
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The two most useless things to a driver are the braking distance behind you and nine-tenths of a second ago. |
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02-18-2007, 06:01 AM
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Join Date: May 2003
Posts: 3,346
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Also a good idea to use the green viton o-rings instead of the blue silicon that comes with the gasket kits. I buy mine from German Precision but they should be available other places as well.
-Andy
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72 Carrera RS replica, Spec 911 racer |
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02-18-2007, 08:44 PM
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Join Date: Aug 2006
Location: Surrey, UK
Posts: 76
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thanks guys, and I have green O- rings etc as Henry shipped me a full set of gaskets over to the UK for the rebuild.
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____________________ UK Surrey Coupe 964 MY92 Tiptronic To many toys to list..wife might be reading this ;-) Personal thread: http://forums.pelicanparts.com/911-engine-rebuilding-forum/340187-964-3-6-full-engine-rebuild-over-uk.html |
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02-19-2007, 10:06 AM
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Moderator
Join Date: Dec 2001
Posts: 9,569
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I have Wayne's book and think it's great but no silicone sealer is EVER going in contact with my oil system, of which the through-bolt holes are a part.
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'66 911 #304065 Irischgruen ‘96 993 Carrera 2 Polarsilber '81 R65 Ex-'71 911 PCA C-Stock Club Racer #806 (Sold 5/15/13) Ex-'88 Carrera (Sold 3/29/02) Ex-'91 Carrera 2 Cabriolet (Sold 8/20/04) Ex-'89 944 Turbo S (Sold 8/21/20) |
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02-19-2007, 03:05 PM
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Join Date: Dec 2004
Location: san jose
Posts: 4,982
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I have the same issue with putting sealer on the # 8 bearing o-ring groove. Do not put sealer where oil flows.
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steve old rocket inguneer |
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02-19-2007, 03:13 PM
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Less brakes, more gas!
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Hahhahaaa I love RTV...
NOT! yeah I don't think I'll ever be using RTV on an engine again... EVER. See what I found in mine (scroll down to the pic of the cam carrier... its a classic): Holy RTV Batman!! *sigh* Best regards, Michael
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 Michael '82 Euro SC 'Track Rat' 22/29 Hollows, 22/22 Tarrets, Full ERPB F/R, Rennline Tri Brace, Glass bumpers, Pro 2000's, 5 pts, blah blah blah '13 Cayenne GTS |
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02-19-2007, 04:27 PM
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Ugly Betty
