Since I may be building up an new engine soon and have these Sportsman 200 heads available, was wondering if anyone has drilled out out the center TPI intake bolt holes to fit on older heads with the center holes at the same angle as the corners?

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Rob
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Yep, I have. Gone both ways actually, old intake on newer engine, newer intake on older engine. I have a mill, so it was pretty easy, but you could do it fairly easily with a drill and some patience as well.

 

Have you done this on a TPI intake??
Was concerned about the runner base being in the way of angling the bolts in.

 

Yea, they were both TPI intakes. I think that the passenger side it was a little more difficult to get the early intake bolted up to the late head and have the runner fit ok (I remember having to play with it to get the runner in place) but I dont remember any problems with the late base on the early heads.