Thread: TB boring
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Old Apr 21, 2012 | 05:09 PM
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onehundred80
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From: Ontario
Default Re: TB boring
Originally Posted by 32krazy!
about the best you can machine is 4mm you wont get a 74mm t/b but a 72mm. the stock srt6 t/b is 74 so why not just use that? they are all over the scrapyards as they were used on slk 32 srt6 c32 e55 pre 21 and clk430
if you must bore it send it to maxbore.com. 125$ with a new butterfly
I measured it and I think you can get to 74mm. I never had the bottle to do it though. The warnings from Rudy were ringing in my ears as I contemplated putting it on a face plate in my lathe and making chips. So with only one TB to screw up I got a 74mm one from Potomac. Call me chicken if you like. CLUCK CLUCK.

To do it as an exercise I say go for it.
 
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