resleeving blocks

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resleeving blocks

Postby aussiedragster » Sat Jan 13, 2018 5:26 pm

got a bz 1 or 2 block probably close to its last bore,the guy building it claims it can be resleeved in the future but doesn't seem to be a lot of material to work with around the valves to me.is this a common and successful practice ? I do know of a recent resleeve job in a different brand engine where the sleeve moved soon after being done.thanks
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Re: resleeving blocks

Postby simoncope » Fri Jan 19, 2018 8:11 am

It is pretty common. It may need new valve seats done after the sleeve goes in depending on how tight it is. I wouldn't send it to any old machine shop, get someone who does JDs. If it moves after then it wasn't done right (or the block is stuffed i.e. cracked). If you are in AU then talk to Eddie @ Thornlie Automotives, he can point you to someone here who can do it right.
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Re: resleeving blocks

Postby JustDoug » Fri Jan 19, 2018 8:35 pm

I'll back Simon up with Eddie - the guy has been rebuilding these cars for as long as they have been racing in Australia, with multiple winners under his instruction.
Good luck with it all dude
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