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Everything on the 951 is nested such that it requires half a dozen parts to be removed before you can access the part you need to get to. Generally speaking, access to just about everything in the car is really, really poor.
Want to remove the torque tube? No problem. Pull either the transaxle or the motor to get it out (your pick).
Chain an oil pan gasket? No problem. Remove the entire front suspension crossmember.
The turbo? Buried on the left side of the motor about mid way up where you can't see it, and of course, all the bolts that hold it on (some hidden ones) are frozen.
Lastly, it is the most evil, unforgiving and poorly designed car I have ever worked on from a maintenance perspective.
As an example:
I had to adjust timing belt tension once. To do this right you need to remove the electric fans, the AC and alternator pulleys. Did my thing, and put it all back together.
During the dissasembly, I must've misplaced one of the coarse philips screws that holds the electric fans onto the radiator. No worries. I have tons of these from the other cars. Grabbed one, installed it.
Guess what? It was a quarter inch too long, and as I screwed it in, it pierced the frigging radiator and put a hole in it. That little tiny bit of length put a pinhole in the radiator.
My stupidity? I will confess to that, but the idiot Porsche engineers who designed this evil car made the clearances so tight, EVERYWHERE, just like that.
When it runs, its awesome. But it frequently ****s the bed.
I currently own a 951 as well as 7 other different Porsches, and I have built both the 951 and S2 motors, so I know what I am talking about.
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