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04-27-2006, 02:17 AM | #1 |
AttentionDeficitDisorder
Join Date: Mar 2005
Location: COLORADO
Posts: 600
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1971 Blazer 2WD Conversion, Finding Axle Centerline?
Converting a 71 blazer to a 2wd Have complete 4x4 71 blazer rolling chassis. and complete 87 GMC longbed 2wd chassis. Anyways, Is there any trick to finding the exact centerline of the axles before pulling them out to swap in the 2wd xmember? How critical are these measurements? I understand they should be as exact as possible, but I guess my question is what are the tolerances? how much room for error is there when getting the new 2wd crossmember centerline lined up deadnuts with where the old centerline used to be? At first was contemplating cutting entire frame rails off blazer and 87 and welding the 87 subframe in the blazer so I can get my z done at the same time, but I maybe opening up more room for error that way. Just wondering what you more experienced suspension guys can suggest. Thanks in advanced. John
Last edited by milehightoyz; 04-27-2006 at 02:19 AM. |
04-27-2006, 04:51 PM | #2 |
Registered User
Join Date: Aug 2003
Location: canyon country, ca, USA
Posts: 336
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Re: 1971 Blazer 2WD Conversion, Finding Axle Centerline?
i used a plumb bob and made a mrk on the frame.
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04-27-2006, 09:41 PM | #3 |
Registered User
Join Date: Sep 2003
Location: Rayne, LA
Posts: 2,781
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Re: 1971 Blazer 2WD Conversion, Finding Axle Centerline?
I'm getting ready to do the same type of thing, but I was thinking that I would put the tub and front clip on the frame. Then center my front wheels in the wheelwells, due to the fact that when you lower these trucks the front wheels move towards the rear as you go down. Like this...
Of course the stock steering linkage wouldn't let you move the crossmember forward like that, so I'm considering putting a rack & pinion setup in there instead. Any body agree with my logic? *EDIT* - lvscott, I hope you don't mind me using that pic from the other thread on centering the wheels
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Steven "If dogs don't go to heaven, when I die I want to go wherever they went." -- Will Rogers R.I.P. Oscar R.I.P. Ratchet 1967 Pontiac GTO - Dad was the Original Owner 1970 Chevy 2wd SWB "Oscar's Truck" 1970 Chevy 2wd Blazer "Ratchet's Blazer" 2013 Chevy 2500HD Crew Cab Duramax/Allison Z71 LTZ "Brown Sugar" 2017 Chevy Suburban "BDB" 2020 Chevy Blazer Premier "Foxy" Member of Louisiana Classic Truck Club (LCTC) Shop Build Last edited by smbrouss70; 04-27-2006 at 09:44 PM. |
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