ok, I got started on this today. some quick notes:
I removed the factory plenum using the reverse of Ben's install notes above. came right out.
I observed that the AOS hole in the Ben Plenum (Benum? Blenum?) was significantly smaller than factory. The photo isn't perfect-- the inside diameter of Ben's is nearly the same as the inside diameter of stock, but then it pinches into a tiny hole. I decided to open it up a bit because I wanted to keep it as close to factory as possible.
https://goo.gl/photos/Da1CYW83ZDKmMG8J8
https://goo.gl/photos/idyMc4ePW76Yb6Mt5
https://goo.gl/photos/MpXdu4YKevBP6PUq5
https://goo.gl/photos/N8Tthfft5pYTWAkw8
After sanding it smooth and cleaning it up I test fit it. A little side to side adjusting and it lined up well. I'm confident that the bands are tightened down on enough plastic and nothing is going anywhere.
https://goo.gl/photos/WEZxo1DtjyHpPiBCA
Going to pull it out because I have to do the 987 airbox and it might be good to have it out of the way. Also going to do the AOS while I am in here. Will make a little progress in the next two days but it'll be next week before it all comes together.
sorry about the links; having trouble posting pics.
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