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If those numbers are in thousandths (which they should be) the major thrust sides being B and E. That block is plenty thick. with a little core shift.
 

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Min. thickness on the thrust side is about .170 and, min. on the wrist pin side is .140. I have seen them at .125 on the pin side for street use, but for racing I wouldn't want to go that thin.
 

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Don't know the application, but remember, going .200 over only removes .100 of "actual" material.. ;)

So going to 4.540 should be fine for just about anything.
 

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if thats true than we are getting closer...:)
Yeah, it is true, or at least it always has been true, unless something changed.. :rolleyes:

This is all judgmental, I sonic blocks right here, and if I am trying to take a lot out, I check all over trying to find the thin spots, especially if it is a max effort.
 

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Discussion Starter #19
.314 (thinest area)-.180 (min thickness to achieve) = .134
.134x2=.268 (can safely be removed)
4.340+.268=4.608 overbore...

this is what I have so far, thats my 3rd grade education at work...
 

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What does it cost you to have this done?

Also besides knowing wall thickness is there any other secrets or stuff you guys are looking at?
 
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