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**Captainfab** · 09-22-2018, 11:46 PM

So the universal trans crossmember you found is wide enough for the GMT400 frame? If so, then that would be the way to go with mounting it up at the top of the frame. You'll just have to measure how much drop you need. I would imagine a 6" drop.

09-22-2018, 11:46 PM	#5
Captainfab 60-66 Nut Join Date: Mar 2007 Location: Coeur d'Alene, Idaho Posts: 23,246	Re: 91 GMC Crossmember So the universal trans crossmember you found is wide enough for the GMT400 frame? If so, then that would be the way to go with mounting it up at the top of the frame. You'll just have to measure how much drop you need. I would imagine a 6" drop. __________________ Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE