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Member
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Join Date: Oct 2010
Location: NH
Posts: 412
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Member
Join Date: Oct 2010
Location: NH
Posts: 412
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Yes, any oil undercoat is much better than no oil. 3.4 and 3.0 blocks are similar if not identical, just a better head design and less vacuum line rat's nest.
Know several people who owned that era Honda engines and had valve issues also, believe one said it was an adjustment issue that caused a top end rebuild, but unlike the 3vze, he was dead in the water until he did his. I'm sure all the other brands would have it too if they lasted this long without dying other deaths. Different time different technology.
Yes, at 200k without adjusting valves your bro prob has zero exh valve clearance on #6 and would need a top end rebuild to regain compression if he wants his power back.
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'85 4Runner, 22re 5spd; '90 4Runner, 5spd, 3.4 swap
'98 GS400 1uz; '07 GX470 2uz
Last edited by jbtvt; 02-21-2020 at 07:04 PM.
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