# Well on some TBs, like the VG, the butterfly is a larger diameter than the TB on either side by like 2mm. It slopes in and out. n/m

Posted by Kaleb (Black '93 GXE 5spd) on September 10, 2002 at 18:49:20:

In Reply to: TB boring... posted by James on September 10, 2002 at 18:08:12:

: What's the stock size on the TB? I was reading thru Don's mod list on his VE and he had his TB bored (71mm)...

: Also *scratches head* what happens with the butterfly valve inside the TB when it gets bored out?

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: : What's the stock size on the TB? I was reading thru Don's mod list on his VE and he had his TB bored (71mm)... : : Also *scratches head* what happens with the butterfly valve inside the TB when it gets bored out?