MII Axle Center
Alright guys I want to get my cross member tacked in this weekend. What are your guys' axle center measurements? I want to see how close everyone is.
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Re: MII Axle Center
the axle centerline depends on the ride height because the front fender wheel opening tapers on the rear and is more rounded on the front. if you lower the truck down over the wheel with the stock axle centerline the wheel/tire looks like it is being stuffed into the rear of the wheel opening. you need to have the tire size and rim offset that you will finish the project with and then set it in the opening with the truck at ride height and the rake angle you like. then you will need to choose the look you like. less drop would mean less axle movement towards the front. a stock ride height and rake angle would mean the axle centerline could be left as is, theoretically. there are lots of threads on the subject but it is a personal preference thing and is really dependent on the tire size. smaller tire would have less visual effect because the tire has more clearance between the outside of the tire and the wheel opening so the air gap looks more uniform around the tire. larger tire or more drop is more visually noticeable.
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Re: MII Axle Center
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As Dsraven said there is the "standard" spot and the there is the perfectly centered spot.
I'd start with the instructions for the kit you have though. This the link to Heidt's pfd instructions for putting their MII kit on the AD truck if it works. |
Re: MII Axle Center
The measurement that you are looking for to start with is Fig 2 which is 18-1/8 from the center of the front spring bolt hole in the frame to the center line of the axle.
NOTE do not remove those cast pieces at the front of the frame horns that the spring bolts were in. They also keep your front bumper brackets located correctly. I've seen some guys take them out thinking they were "cleaning up" the front of the frame when in fact they were making a lot more hassle for themselves when they bolted the bumper brackets back on. |
Re: MII Axle Center
umm, mains. it would probably help if you mentioned what year of truck you are working with, what ride height you are striving for, what tire size you would like to finish with and what sort of wheel offset you want.
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Re: MII Axle Center
Hey guys,
I am bringing this thread back up top because its time to dig back into my truck. I still haven't installed my crossmember due to breaking my leg in September and being pretty much down for a long while. I still don't have the tires and wheels I want. I don't have a clue on what I actually want either. I am going to be running air ride so I don't know if that changes things for axle center, but I really want to get this thing put in so I can get the 4 link put in the rear and get this thing rolling. Any more info would be appreciated. It's a 52 3100 if you need to know info. |
Re: MII Axle Center
It's my observation that it's always better to error on the forward side.
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Re: MII Axle Center
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The ideal way would be to tack everything together, put the front clip and wheels on and see how it looks. That’s not realistic for most folks. I would stick with the directions, if you do anything, maybe move it ahead to 18, that’s it. |
Re: MII Axle Center
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Re: MII Axle Center
I dropped a plumb bob from the from the frame to the center of the straight axle and measured to the front shackle center.
Chris. |
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