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Discussion Starter · #1 · (Edited)
Here's the skinny for you pros... I know that on a two cycle engine, they make this thingie called a Heal Boot(?) and what it does is allow you to fix a strip sparkplug hole. Is there such a thing to automotive engines?

And if not... I thought about sleeving a strip out hole with a blank hollow steel cyclinder that has been tapped for threads on both side, one for the block the other for the sparkplug, and re-threading the spark hole to fit the sleevs.

Anyone has any thought about this one? It will be applied to a 22re engine in a 4Runner. Too darn cheap to buy a head and can't find a shortblock in my price range. It will just be used as a daily driver with minimal engine stress.

-no idea why I press edit... eh
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