As far as I know there were no GT 1.9 motors that had hardened seats. I have had at least one of every year and not one has had them. I don't know about the 74 and 75 mantas it is possible but not likely.
1 - 1 of 1 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.