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MikeDanger · Joined: 21 Nov 2002 Posts: 770 Location: Denver

I have a bit of leakage coming from the back of the head. can't exactly tell where as the Distributor housing had a full coating of oil and dirt.

What are the usual leakage points? The joint between the Dist and the housing looked wet, but theres no O-ring on these.

I think I replaced the Valve cover gaskets?
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924RACR · Posted: Wed Dec 29, 2021 10:21 pm Post subject:

Ah, so many spots - not the best part of the design. Yes, the back corners of the valve cover gasket is possible, also the distributor housing as it bolts to the head... but also the distributor itself where it slips into that housing, should have a round paper gasket that's pretty weak. But the biggest most likely is the oil pressure sender port... since it's under pressure, unlike all the rest (excepting crankcase pressure)...
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Vaughan Scott
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'79 924 #77 SCCA H Prod racecar
'82 931 Plat. Silver
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MikeJinCO · Posted: Wed Dec 29, 2021 11:39 pm Post subject:

Agreed. I have had to remove it, clean the threads and reinstall. Permatex makes a Hydraulic/Pneumatic sealant that works well on the threads. It takes a spray cleaner also. Its a copy of some stuff made by 3M and Locktite. Traveling so not sure but it might be #8514. Take a wrench of the right size(17mm?) and cut it down to about 3" long. Its not a fun job. One time I just took the distributor out and mad it much easier.
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Mike

'67 MG Midget Dp
'71 Ocelot Dsr Kawasaki 1000(under rebuild)

peterld · Posted: Thu Dec 30, 2021 11:43 pm Post subject:

Agree with the gents above. Just pull the dissy and seal everything unless you can definitively identify where the leak is.
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80/81 932/8 ROW

Mike9311 · Joined: 14 Dec 2004 Posts: 1678 Location: Chicago-ish

I've had a leak straight out of the oil sender spade
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1980 931 since 1989
1981 Ideola 931 Club Sport
1982 931 Entwicklungsfahrzeug
1979 924 NA ohne 650 mit 471
1982 931 Red Resurrection - 951 IC
1982 931 parts car / resurrection?
1980 924 NA (R&D lightweight)
1982 931 wana-be GTR race car

MikeDanger · Joined: 21 Nov 2002 Posts: 770 Location: Denver

I used some grey rtv on the distributor, but i dont see how to get to, the OPS cant even get my hand back there
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It was either this or a giant box of legos