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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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Head gaskets or even a swap aren't so bad. Buy a leakdown tester either way though. You'll want to check percentages after you get the head back from the shop, assuming it needs some machine work and you want to get valves done while it's out. Both engines I've done head gaskets on came back worse after the machine shops than they were before, miscut valves and seats. Second one they redid and it was fine, except for all the shims needing to be redone then. Best way to see how they did is with a leakdown test. You can get a rough idea by doing like this vid, so save your old head gaskets
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'85 4Runner, 22re 5spd; '90 4Runner, 5spd, 3.4 swap
'98 GS400 1uz; '07 GX470 2uz
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