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Coming back from LeMans last year my car developed an oil leak. I didn't know at the time but when I arrived home and cleaned the car up I was shocked to find my newly powder coated engine fan re-decorated in a dirty shade of grey from oil spray. After cleaning the engine up I narrowed the leak down to either the Temp sender or Pressure Sender unit at the front of the engine. I changed the cheaper unit first (temp sender) which given the 50/50 chance of being right obviously proved to be the wrong choice. Now my problems start. The car has AirCon and after removing the compressor to get to the Pressure Sender unit, I quickly realised that the mounting bracket has not going to be a straight forward removal. I had my fears confirmed when speaking to Kev at Classic Car Workshop who said, yep, exhaust off and engine jacked up. Only way to get at the front bolts that hold on the bracket! That's not that bad apart from the fact that I know as soon as my exhaust is touched its just going to disintergrate into a pile of brown rust powder. So finally, my questions are - The back box (4 yr old - mild steel) and Heat Exchangers (stainless but could be original) look in good nick, its my cross over pipe and pre-silencer that look knackered. Do I go for stainless or mild steel parts? Do I get a by-pass pipe or another pre-silencer (not bothered about the noise level). Do I get a one or two piece cross over? Just want some pointers from you guys (or gals) that have already changed these parts but stayed with a std back box and exchangers. Many thanks.
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