For those that have done NV4500 swaps - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Rust Buster · 08-11-2007, 11:55 PM

I'm in the middle of doing mine in a 72 K20 with a NP205 and GM HT383 crate engine. The question I have is regarding the crossmember. Advance Adapters sent a 2.5" square piece of tubing that the bottom of the tranny bolts to and then has the right holes to bolt to the crossmember.

I guess my question is do I use the tubing, then bolt to the stock rubber mounts (I bought new polurethane ones). It does this fine, but I am wondering if this raises the tranny too much for the driveline and/or mounting the cab.

Has anyone actually done this in a 67-72 GM truck? If so, what did you do?

08-11-2007, 11:55 PM	#1
Rust Buster Registered User Join Date: Apr 2007 Location: Virginia Posts: 547	For those that have done NV4500 swaps I'm in the middle of doing mine in a 72 K20 with a NP205 and GM HT383 crate engine. The question I have is regarding the crossmember. Advance Adapters sent a 2.5" square piece of tubing that the bottom of the tranny bolts to and then has the right holes to bolt to the crossmember. I guess my question is do I use the tubing, then bolt to the stock rubber mounts (I bought new polurethane ones). It does this fine, but I am wondering if this raises the tranny too much for the driveline and/or mounting the cab. Has anyone actually done this in a 67-72 GM truck? If so, what did you do? Attached Images __________________ Maj USAF 71 K5 Blazer CST 72 K20 HT383 NV4500 Mass-Flo EFI 71 K10 LWB 52 Dodge Power Wagon 67 Dodge WM300 Power Wagon 48 Dodge WDX Power Wagon My Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=239487

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