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Old 06-20-2009, 01:42 AM   #1
bo389
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max bore 389

hey guys and girls .... greetings from denmark
my old worn out 389 needs to be bored , and my question is what is the max i can bore this block , its a 1965 389 block
thanks , bo
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Old 06-22-2009, 01:07 PM   #2
MrPbody
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Re: max bore 389

Bo,

Greetings from the USA!

A 389 is always "safe" to .060" over bore. Some blocks can go further, but a sonic test is called for before you try! I have a '60 389 block that's already .125" over and has enough to go another .030...

Let me know if you can't find the correct pistons. I know where SOME are, and where to get "customs" for a reasonable price if the stockers can't be found.

Jim
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