The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - changing upper a-arm mount locations. Wanting input please

Custom 68 · 06-12-2013, 09:37 AM

Front suspension: I have noticed most if not all the aftermarket performance cross member swaps have the upper a-arm mounts are level as opposed to the factory mounts having the rear mount lower than the front.
I have replaced my upper a-arms with a set from CPP and with that I have gained quite a bit of caster so that part is good. I also swapped out to coil overs and that all is good. I am going to redo my mounts for the upper shock mount since after the 3000 mile power tour the upper mount may have shifted a little, I will know more after I start tearing into it again. This mount also incorporates my upper a-arm mounting points which I kept at the stock location.
That all said during my revamp I can move these locations. I can move them level or both up and down . Since I have good caster I don't necessarily need to move them forward or backward.
I am studying suspension geometry to learn but was looking for knowledge here if there is an ideal location to be found? I am just trying to work with what I have as money is tight Any changes I can do as I go would be ideal.
Thanks
David

06-12-2013, 09:37 AM	#1
Custom 68 Registered User Join Date: Nov 2001 Location: Springfield, MO Posts: 2,928	changing upper a-arm mount locations. Wanting input please Front suspension: I have noticed most if not all the aftermarket performance cross member swaps have the upper a-arm mounts are level as opposed to the factory mounts having the rear mount lower than the front. I have replaced my upper a-arms with a set from CPP and with that I have gained quite a bit of caster so that part is good. I also swapped out to coil overs and that all is good. I am going to redo my mounts for the upper shock mount since after the 3000 mile power tour the upper mount may have shifted a little, I will know more after I start tearing into it again. This mount also incorporates my upper a-arm mounting points which I kept at the stock location. That all said during my revamp I can move these locations. I can move them level or both up and down . Since I have good caster I don't necessarily need to move them forward or backward. I am studying suspension geometry to learn but was looking for knowledge here if there is an ideal location to be found? I am just trying to work with what I have as money is tight Any changes I can do as I go would be ideal. Thanks David __________________ Dave 1968 Custom Chevy with turbo charged 5.3 gen III 4l80e swap 1967-71 GMC 3/4 ton long step 4x4 (not sure what year exactly?) "A good friend will bail you out of jail...but a true friend will be sitting next to you saying "that was frekin awesome". "If it doesn't fit force it...If it breaks then it needed to be replaced anyway!"