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Bone Head Mistake!
I started my car on thanksgiving '02 and forgot I had a rag in the exhaust pipe. (Keeping mice out) It took a couple of seconds to crank over, started stumbling badly for 4-5 seconds, bang, the rag shoots out and then car begins to idle fine. Let run for a few minutes all seemed good.
Today I notice a little puddle of oil ( about 6" Dia.) Seems to have come from above oil drain plug. have never had any leaks whatsoever beneath my car for the past three winters. Only thing different this year is Mobile 1 15-50W instead of Castrol 20-50W. Did I mess something up or is it the synthetic oil or both? Car is 85 3.2 Carrera Thanks, Joe |
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Join Date: Jan 2002
Location: Long Beach CA, the sewer by the sea.
Posts: 37,752
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Maybe the oil, 'cause IMHO, the rag had nothing to do with it. If you changed the oil, could the problem be with when you r&r'd the drain plug?
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Black and Blue
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I have heard that the synthetic oil will leak easier. When i bought my 78', it was loaded with Mobil 1 at 120K miles, and it leaked. I use castrol 20w50 with no leaks now at 140K
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Kemo 1978 911 SC Non-Sunroof Coupe, two tone Primer Black and SWEPCO Blue, Currently serving as a Track Whore 1981 911 SC Sunroof Coupe, Pacific Blue Project, Future Daily Driver |
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Join Date: Mar 2001
Location: Marysville Wa.
Posts: 22,450
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probably oil return tube seals. usually happens after sitting for a while, when the oil in the tank drains into the case. as soon as the oil level in the case gets above the old, loose tube seals, the puddle happens.
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https://www.instagram.com/johnwalker8704 8009 103rd pl ne Marysville Wa 98270 206 637 4071 |
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I guess I was thinking that the back pressure from the exhaust pipe being blocked caused something (a gasket) to blow. I know its probably a dumb question but I thought I would ask anyways. Thanks for your responses.
Joe |
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Team California
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Also, rag (or banana, etc.), in tailpipe is probably not neccesary. At least I've never heard of gerbils climbing in thru the back door like that, oh hell, forget it.
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Denis Trump uses an autopen and votes by mail, in case anyone wonders. ![]() |
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Richard Gere isn't a P-car collector, is he?
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Black and Blue
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brings a hole new meaning to "comming in thru the garage"...this is getting bad
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Kemo 1978 911 SC Non-Sunroof Coupe, two tone Primer Black and SWEPCO Blue, Currently serving as a Track Whore 1981 911 SC Sunroof Coupe, Pacific Blue Project, Future Daily Driver |
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Join Date: Jul 2000
Location: Agoura Hills, Ca.
Posts: 1,651
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Quote:
hahahahhahahaha ![]() ![]() ![]()
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'87 911 3.2ltr Cab. ROW (sold ![]() '90 964 3.8 ltr C4 Coupe (P-Dealer built, track prep'd, sold ![]() OMYG..I'm Porscheless |
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Join Date: May 2001
Location: Peoples Republic of Long Beach, NY
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Quote:
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Ronin LB '77 911s 2.7 PMO E 8.5 SSI Monty MSD JPI w x6 |
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Mine also had a little drip of oil leak after I change to Mobil 1....it doesn't had any dripping before.....I use to run with Shell TMO....shall I change again ?
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eyue 85' Carrera Coupe 93' 3.6 Turbo |
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Author of "101 Projects"
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SEARCH THE ARCHIVES - Synthetic oil makes older cars leak. PROVEN FACT!
-Wayne
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Wayne R. Dempsey, Founder, Pelican Parts Inc., and Author of: 101 Projects for Your BMW 3-Series • 101 Projects for Your Porsche 911 • How to Rebuild & Modify Porsche 911 Engines • 101 Projects for Your Porsche Boxster & Cayman • 101 Projects for Your Porsche 996 / 997 • SPEED READ: Porsche 911 Check out our new site: Dempsey Motorsports |
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Friend of Warren
Join Date: Oct 2000
Location: Lincoln, NE
Posts: 16,493
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Man didn't any of you guys ever stick a potato in the exhaust pipe of the neighbor's car? We use to do it all the time when I was growing up in Chicago. Love to hear the big bang and watch the potato go flying. Never seem to hurt the cars, but really scared the shiit out of the driver!
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Kurt V No more Porsches, but a revolving number of motorcycles. |
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Agreed, I had assumed my car was running Mobil 1 and added 3-4 quarts of oil over a few months span (daily driver) and the oil leaks started. Another 'bonus' was an increase in oil consumption from 1qt/800 miles to 1qt/400 miles.
I've since switched back to dino 20/50 and my car still drips oil (oil return tubes) but the consumption went back up to 1qt/800 miles and the perpetual oil cloud that followed me around has diminished greatly. |
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