Quote:
Originally Posted by RETed
Yes, 1986 - 1988 engines all came with cast aluminum thermostat housings.
Why plastic?
To save weight...
-Ted
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That's crazy. How much weight could that possibly save? I know the FD had troubles with the plastic pieces and hot coolant. Did the S5 have this problem too? I have an 87 TII that I haven't built yet. If I'm going to do this I need to start learning. I only know the FD so far.