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Registered
Join Date: May 2004
Location: shropshire uk
Posts: 229
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will changing oil stop leak ?
Newbie type question here !
Ive got a couple of minor leaks ,will changing from my present oil valvoline synpower (synthetic) to something like castrol gtx high mileage oil -stop the leaks.(plus the castrol is a lot cheaper!) The car dosnt loose much oil but the smell of the oil on the exhaust is a bit strong  Btw the car has done 107K.
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88 targa gone but not forgotten. 91 c4 coupe |
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10-05-2004, 01:31 PM
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Friend of Warren
Join Date: Oct 2000
Location: Lincoln, NE
Posts: 16,492
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Probably not, but not that expensive to find out.
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Kurt V No more Porsches, but a revolving number of motorcycles. |
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10-05-2004, 01:35 PM
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Crotchety Old Bastard
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Sure.
Just change the oil for cement. All kidding aside, my engine leaked just a few drops after the rebuild. At 10K miles the dino was switched to synthetic. BIG mistake. It immediately began leaking tripple what it used to. These cars don't need synthetic. It's a waste of money. I told the mechanic explicitly that I did not want synthetic. He put it in anyway and charged me accordingly. I'll be back real soon.... 
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds '78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8 |
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10-05-2004, 05:03 PM
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I noticed less leaks when I changed to Kendall from the PO's oil which I assume was synthetic. I have no plans to run synthetic in my engine even after the break in is complete after the rebuild.
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2014 Cayman S (track rat w/GT4 suspension) 1979 930 (475 rwhp at 0.95 bar) |
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10-05-2004, 05:24 PM
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Registered
Join Date: Oct 2000
Location: agoura hills, ca 91301
Posts: 2,634
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It depends on the leak.
I had a Supra Turbo and on syn, it would make a drop or so; on dyno, it was dry! As posted above, it is cheap enough for you to test. |
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10-05-2004, 07:45 PM
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Registered
Join Date: May 2004
Location: shropshire uk
Posts: 229
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The blurb on the back of the gtx high mileage can said it contained "conditioners" that improved the properties of the oil seals.
Gonna give it a try ,i could always use it on my hair if it dont work
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88 targa gone but not forgotten. 91 c4 coupe |
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10-06-2004, 01:31 AM
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78 Porsche 911SC 3.0L, 3.3Turbo soon. 
1979 Porsche 930 3.4
