Quote:
Originally Posted by Tyson Schmidt
I also work on these cars everyday. What I have noticed is that the cars which still have the undertray in place have valve guide wear far greater than those that have it removed. It is usually the exhaust guide on cylinders #2,#3 and #6. (#2 & #3 are close to the catalytic converter, and #6 is furthes from the fan.)
Keep in mind, this is in Southern California where it is hot and traffic is horrible! The undertray isn't an issue at all in the hottest of climates, so long as the car is moving at a decent clip. Traffic just cooks these motors with the undertray in place.
This also causes more oil leaks due to the seals and o-rings basically cooking themselves. They usually feel just like plastic.
But I totally agree that these cars have gotten a very bad rap. It seems that everyone needs a car to pick on. SC and Carrera owners love do rip on the 964, but it is a better car in every way than either of them. People who have never owned a C2, or even driven one, will chime in about it's supposed problems and shortcomings. Pure crap. Better car in every way. And I've driven dozens and dozens of examples of each model.
The C2 and C4 are the absolute bargain of the century right now. Look at the performance numbers. They are a supercar. They are also rock-solid and reliable. My only complaint is that my insurance is just ridiculously high.
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I agree with Mr. Schmidt here. I run HeatSheets on my 964 just for this reason. It helps a great deal in keeping heat off the heads. Also, the engine heat sheild stuff seems to hold more heat near the engine then it keeps it away. I deleted mine. There are great cars when dialed in. These cars are cheap for what you get, check out mine in the for sale section
