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Old 07-22-2013, 09:45 PM   #1
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Join Date: Mar 2010
Location: Ottawa, Canada
Posts: 150
Garage
UPDATE!
Gents first of all I did not die. Yet. Today we finally took the heads out so we got to the cylinders. Guess what? THERE IS NO ****************ING CRACK.
I will post pictures later but all there is on cylinder 5 and 6 is simply a little wear on the wall. Really minor stuff. We will check what the tolerances are and where we stand at.
That puzzled us. We know there was no compression so we started looking at the gaskets, carefully looking at the cylinder wall, piston head, etc. Nothing. Next we started looking at the head itself and I do believe we found the culprit. I will post pictures later.
All I can see is on cylinder 5, between the exhaust and intake valves it seems there was a crack at one stage that was repaired. Now looking at the space between the valves we can see a piece of metal, like a rubber band, right there. The valves do not seem to be completely closed and that I do think is what is causing the compression to fail. Once you guys see the pics I think it will be easier to understand.
The engine was clearly open before and work was done on the heads for sure. The guy I bought the car from what the second owner and I truly believe he was not aware of that. Probably the crack happened after warranty was over and the owner tried the cheapest fix possible and then dumped the car. The next owner drove it for 10,000 miles and sold to me at 36,000 miles. That is what I think happened. But I may be wrong.
A couple notes to everyone out there thinking a Porsche Engine is some mystical thing forged with Unicorn blood by Elves.
It is not.
It is an engine and once you see everything apart it makes a lot of sense and my understanding of mechanical things in general increased tenfold. If you take your time and do it with patience, it can be rebuilt by anyone. And smaller jobs like head gaskets, etc are a piece of cake once you do something like what we are attempting.
I must give all credits to my son. He has been doing 99.9% of the work as I have to pay the bills but every once in a while I step in.
Like this week when he snapped two head bolts and we are having to drill them out. :-)
Lesson learned here: these are one time use bolts (Torque to Yield) and to take them out you simply hammer them slightly on the head and then use a wrench and slowly take them out. Once I told him that we was able to take all the remaining 22 of them out. To replace these, they go for $10 EACH. So right there $240 on bolts. LOL

On brighter notes: I do miss the damn Porsche a lot and has I had to get a summer car going I purchased a Lamborghini Gallardo. Arrived at the port in Montreal past Thursday. Canadian customs is doing the clearance and I should be picking it up by Friday hopefully! So I will have another summer car in the meantime. YAY!

My daily driver, the V12 BMW 750iL has been going strong. Finished the work on the headliner (redone by professionals) and got the leather repaired (minimal) by another professional and it turned out perfectly. Car is a beauty and in MINT condition. LOVE IT.

Cheers and keep tuned for more updates!

CR
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