Thanks for taken time out to post your pics. I’m studying on this and trying to figure out how to rob Peter, to pay for it all, since you're not Paul!!!!

Don’t think this intake will work on the Vortec heads I have in mind. Those heads have a 4-bolt mount and the angle may not be just right. But if I don't take you up on it, I'm sure some with some bank will. Hope this encourages a sell and someone get one step closer to that dream.
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Plan your work and work your plan!!!, or pitty da fool!!

87 GMC BaseTrim, 305 under the wrench/TH400/
92 Chevy 1500, 350,TH700R4 sittin on dubs