I have followed this thread with some interest as I installed a 1.9 AMC head (back when they were still available) on my '84 7 passenger right out of the box. That was in 2001. So far it hasn't come apart and I haven't removed the head for inspection. That said, when Boston Bob built the 2.1 for my '85 he used TRW valves in AMC heads. In our discussions, he said that the real problem was with the keepers on the supplied valves and that with reworking the keepers the supplied valves were "OK" but TRW is better. Mike Houlton, ME |
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