85 crew cab dually rear suspension

[79bonanza]

Hey guys, I have a pretty quick question regarding my tow rig.

I have an 85 crew cab dually soon to be 4x4 and I plan on running about a 2" lift just to gain some steering clearance and tire clearance.

On the rear I can't decide what would give me the most peace of mind while towing. 2" rear lift springs, 2" lift blocks, or a shackle flip.

What do you fellas think

 

[mckustomfab]

Are you going for 2" of lift over a stock 4x4? Do you plan on swapping to the 4x4 rear leaf spring hangers? How heavy do you tow?

Personally I would go Springs or blocks if you tow a lot, almost all new 3/4 and 1ton trucks have rear blocks. As long as you get quality ones and keep the u-bolts tight I think you should be good. Make sure you do a build thread on the 2x4 to 4x4 I love watching those!

 

[79bonanza]

Yeah I should've said 2" over a stock 4x4. And I'll be towing a K5 and full size bronco

What's the difference in the 4x4 to 2wd rear spring hanger

 

[mckustomfab]

The 2wd hangers are about 3" shorter then the 4wd so you would need something like a 5" block to achieve your desired 2" of lift. If you a can get the 4wd hangers they should swap in but I don't know how well the holes line up. I kind of took the easy way out when I didn't my 2wd to 4wd swap, I just swapped chassis.

Here is a good tread about the swap your looking at, it is a bit of a read but the second link is to a search inside the thread for the rear spring hangers. Mrk5 does a good job of address some of the things your looking at.

Thread
Thread search

 

[79bonanza]

Ohh okay man thanks for the links, guess I got some research to do lol

 

[79bonanza]

Well for anyone else curious about the 2wd 4wd spring hangers here's the difference right out of Mrk5 build

 

[mckustomfab]

A little further in his tread (post 873) he had a set built built by Diy4x. I don't know if the bolt pattern is different between the 2wd and 4wd but it's a option, also the shackle side is shorter on the 2wd too.