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It definitely looks like there was lack of oil flow to the top end. That dirt seems to be the metal wearing away.
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Ed 1973.5 T |
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10-30-2014, 04:16 AM
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Join Date: Jan 2014
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That is my opinion as well. When I look at all my pictures, it seems that only the #3 intake valve looks clean, the rest are dirty. Although you can see that there is a bit of that black goo there as well. Could that have been built up in the last 4000 miles of driving w/o enough oil in the valve train?
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10-30-2014, 04:33 AM
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Join Date: Oct 2008
Location: Nash County, NC.
Posts: 8,471
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Rocker
It's hard to believe you have pressure on the gauge and that much lack of oil.
The rocker face is hollow as is the cam lobe. And all that black around the oil port. I believe you have an expensive diagnosis all the way to the oil pump. I would pull the oil line for the cam and at the banjo fitting, there has to be junk there. Bruce |
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10-30-2014, 04:54 AM
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Location: Portland Oregon
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Although I cannot tell for sure without seeing everything for myself, it appears that the rocker arm broke due to lack of lubrication in the pin bushing.
From the rest of the pics, I'd strongly recommend engine disassembly as something is terribly wrong and there may be collateral damage.
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Steve Weiner Rennsport Systems Portland Oregon (503) 244-0990 porsche@rennsportsystems.com www.rennsportsystems.com |
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10-30-2014, 07:45 AM
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Location: S. Florida
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This is painful to see... I'm sorry you bought a car with a motor in this condition. It's going to be very expensive to fix right.
If you bought it recently I hope the previous owner didn't just smear wheel bearing grease on the cams and rockers to keep things quiet long enough to sell it and get it out the door... |
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10-30-2014, 08:28 AM
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Join Date: Jul 2012
Location: Simi Valley, Ca.
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Cam to rocker and rocker to shaft severely worn from lack of oil. Looks like many of the other rockers will be in the same shape when everything comes apart.
Seems like a lot of ugly things happen to Porsches in Florida. Bob B Last edited by NICE 69 S; 10-30-2014 at 12:31 PM.. |
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10-30-2014, 12:26 PM
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Join Date: May 2004
Location: Boulder, Colorado
Posts: 7,275
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Agree - rocker faces, rocker bushings, cam lobes all show destructive wear from lack of oiling. You can find and fix the oiling problem, but that won't bring back the rockers, rocker shafts, and cams. Better start looking for replacements.
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10-30-2014, 02:19 PM
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abit off center
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Don't be to quick to just chuck all the rockers except the broken one you might be surprised what can be saved.
Before  After 
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______________________ Craig G2Performance Twinplug, head work, case savers, rockers arms, etc. Last edited by cgarr; 10-30-2014 at 04:27 PM.. |
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10-30-2014, 03:34 PM
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Thanks for all the tips and information. Now I just need to find the time to drop the motor out.
I'll post more info regarding the extent of the damage, when I get that far. S***! I wanted to drive this car! |
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10-31-2014, 04:46 AM
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Location: Mississippi
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Yeouch.
I'm certainly no engine builder, but the first thing I'd have to take a look at would be the banjo bolts that secure the external rubber/metal oil lines to the camshaft towers and make sure they are in fact a hollow banjo bolt and not just a solid bolt! |
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11-04-2014, 09:00 PM
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Location: Simi Valley, Ca.
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At this point, you are probably lucky that there was absolutely no oil at all, because that would have carried all that metal back to the sump and into the pump and bearings.
I would be interested to see what you find when it comes apart. |
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11-07-2014, 09:38 AM
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Join Date: Jan 2013
Location: Grapevine, TX
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You'd be surprised. In a shop the other day and got to look at a 3.2 race motor with a hole in the case from thrown rod. Lead tech there said, "guy drove it in like this. This is the oil filter." I expected to see oil filter completely plugged. It wasn't. So, may not be as bad as we think. I hope not.
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John "Build a man a fire and he's warm for the rest of the day. Set a man on fire and he's warm for the rest of his life". -internet sage |
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11-07-2014, 10:01 AM
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Join Date: Jul 2000
Location: So. Calif.
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Quote:
Was it confirmed the engine was dry (no lube)? Do you have a method to replace overheated bearings, cylinders, pistons/rings/pins, damaged crank, gears, cam and rocker bearings or to extract metal dust and bits from the engine/oil cooler w/o disassembly? Sherwood |
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11-07-2014, 03:16 PM
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Scheebs
Join Date: Nov 2014
Location: Southwest Michigan
Posts: 22
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These pictures absolutely show no signs of oil anywhere.
I feel you're looking at an engine removal from car and a cam housing/head removal from engine. You need to determine amount of damage to cams, rockers, valves, guides. Unfortunately you won't be able to do this inside the car. |
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11-16-2014, 02:43 PM
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Looks like it has starved from oil.
Rocker arm seems to have been going without lubrication. Should not be that dry in there
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Trond R. 1979 930: Garret GT35r turbo, EFI, carerra intake, Link EMS, custom GT2 cams, 98mm JE P/C, 964 crank (stroker), custom valves & ported (XtremeCylinderHeads) etc..etc.. 1972 914-6 GT replica project 1986 944 Turbo |
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11-17-2014, 02:32 PM
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The Other Woman
1969 and 1986 Porsche Targa and Coupe 1720cc and 3
Porsche 911 Turbo
Porsche 911 Turbo
