Which engine does your "other" ZT have Basil? Has any work been carried out on the cooling system?
Quote:
Originally Posted by Lord of Hog
... drain and re-fill the system BY THE BOOK. They are extremely prone to air locks.
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... But they aren't if you drain and re-fill "by the book"!
So I agree with
Lord of Hog, particularly if it's a KV6.
Simon