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Wheelbase Extension

stockk5

1/2 ton status
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Apr 13, 2004
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Cromwell, CT
Well i have been searching for about an hour or so. The main goal of this is to gain wheelbase on my k5. I want to do the 52" swap in the front which will net me 2.5" and then a zero rate to move it forward another 1.5" So that is 4" total forward. So far the steering box/pitman arm should be ok at that forward movement right?

As for the rear if i get a set of 56" springs and put my diy4x shackle flips on the opposite sides as they are now and put the 30" side of the springs in the rear it will gain me 4" wheelbase? As well as a zero rate rear for 1.5" another 5.5" wheelbase gain? My gas tank should be ok i believe.

Right now my truck has a diy4x shackle flip rear, longer shackle, zero rate and stock spring, then 6" spring front w/ a cut down overload bolted in too.

Do any of these numbers seem right for the wheelbase gain i would be getting? Thanks! Mike
 
Mike use 7.5" shackles and leave the flip brackets where they are. It'll give you a killer angle:wink1:
 
you talking 7.5" front shackles? and do my numbers make sense for how much wheelbase gain i'd get from that kind of swap?
 
Your numbers sound right to me. As for the clearance issues I'm not so sure. I've read that about 4 inches is about as far back as you can go with the rear axle withough hitting the gas tank. However, I have no experience with it, just stuff I've read.

For the front I would think you would start to contact the rad support with your tires with the axle that far forward. My front axle is roughly 2.5 to 3 inches forward and I will contact the rad support at full stuff with the wheels turned on 36s.
 
You didn't mention it but you'll need cross over steering moving the front axle ahead that far.
 
You didn't mention it but you'll need cross over steering moving the front axle ahead that far.


opps sorry yeah i know my name on here throws ppl off but its got 1tons, cross over bla bla bla already. Hmm ill have to do some more measurements!
 

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