Join Date: Jul 2005
Location: Beyond The Digital Divide
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Pre-89 had an anomaly with lifter tap. So if the head you used was from an 88 that could be it. I think in 89 they increased the oil delivery aperture so the factory induced tappet noise was mostly cured. Hope that helped.
Those knock sensors are a complete pain to get to. I wriggle my arm up there from beneath the car and use a mammoth crescent wrench on them. So far so good, but i've only had to change one.
I believe in reincarnation... just the other day i saw an old lady turn into a driveway.