bansheemandan Posted January 20, 2011 Report Share Posted January 20, 2011 hi, i have a shearer inframe exhaust, my question is how do i tell if the pipes are big bore or small bore Quote Link to comment Share on other sites More sharing options...
bkabina Posted January 20, 2011 Report Share Posted January 20, 2011 hi, i have a shearer inframe exhaust, my question is how do i tell if the pipes are big bore or small bore The easiest way would be to look at the pipe where it conects to the exhaust flange. If it is almost the same diameter they are big bore. If the the pipe is small enough and looks like it fits into a step down in the exhaust flange then they are small bore. Post a good picture of the exhaust flange. Quote Link to comment Share on other sites More sharing options...
bkabina Posted January 21, 2011 Report Share Posted January 21, 2011 I hope Jeff doesn't mind but I borrowed this picture from his website. the pipe on the left is big bore and the right is small bore. Quote Link to comment Share on other sites More sharing options...
Pasi S. Posted January 21, 2011 Report Share Posted January 21, 2011 Here is Smallbore and here is bigbore -Pasi S. Quote Link to comment Share on other sites More sharing options...
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