first i took a 2 1/8" hole saw to cut out the end caps for the main plenum section
i then added a bolt to the center so i could put it in the lathe to make it the same diameter as the O.D. as the tube.
then i welded the cap to the end of the tube and filled the hole in the center from the hole saw.
I took the same 2 1/8" hole saw and cut one piece of tube in half with it to create the coped ends to fit on the pipe. these sections will connect to the Y pipe with couplers
fits like a glove
coupler end welded to the main plenum
both ends all cleaned up and coupler sections welded to plenum
thats as far as i got tonight i stil need to make the runner section from the plenum to the fland and the flange itself but ill need the complete motor to get my spacing correct so the Y pipe will be straight across. ill also have to build a new Y pipe.
