t5 dimension question

[jocko]

have run aground waiting for Hamilton Intakes to produce their S10-T5 adapter - last time I spoke to them, they said they'd have them in 3 weeks - now they don't even answer the phone or reply to emails from over a week ago. Gonna have to make one myself. Since the runout is kinda critical, was wondering if anyone had the dimensions on the T5 mounting bolt holes relative to centerline? (or the same measurements for a Chev Bell Hsg?

Been combing the internet, and nothing has had the bolt relation to centerline. I think my best bet at this point, unless someone has those specs, is probably to have the step-in concentric rings milled in a larger than necessary flat plate, and THEN stick it on the trans and mark & drill the holes to match. My biggest concern is that each subsequent milling/drilling operation induces more error and am concerned that the runout on the index ring relative to centerline will reach an un-fixable amount. Or, I'm just gonna mill the #$% thing and stab it into the truck and call it a day. If it's runout is out of spec and the input shaft bearing wears out, screw it, I'll get a TKO.... Was considering buying a 621 bell but I still have the problem of adding an adapter - and the 621 bell is a major reda$$ to get into the truck around that friggin trans mount crossmember. Could not be mor ein the way.

I swear, can't begin to describe how much it sucks when you build a plan and it falls apart because one de$%^*bag company falsely advertises. Just plain sucks. Sitting around pickin my nose waiting on these knuckleheads for over a month now. Getting tired of it, so gonna have to make one of my own I guess.

ANYWAY, if anyone has those dimensions, that would be awesome. Thanks.