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Diff Drop Bracket

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Offline museboy07

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Re: Diff Drop Bracket
« Reply #15 on: July 29, 2007, 07:34:41 PM »
ok well we'll see
1994 Tracker, 2in Ironman springs w/ 1in spacers on top, soon to have custom diff drop brackets, 31x10.5-15 All Tarrains, Pro Comp long travel shocks, KYB performance struts, strut mount flip w/2in extensions, 3in rear a-arm spacer, ...DD

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Offline Jimiweld

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Re: Diff Drop Bracket
« Reply #16 on: July 30, 2007, 08:18:34 AM »
After reading Crikey Mikes input I was thinking that he may be right about the offset. Anyone running a 3" suspension lift be able to measure how much offset would be ideal?
I worked out the following, if I cut the 2" square tube at the following angles the offset that would be achieved.
90 degrees = 0 offset
85 degrees = 0.219" offset
80 degrees = 0.441" offset
75 degrees = 0.670" offset
70 degrees = .0910" offset.

If someone with that lift would be able to measure then the bracket could be made to suit.
regards
Jim
1990 Tracker - 3.5" body Lift, 1.5 coil spacers, 31" TRXUS tires, homemade front bumper, Automatic Tansmission, 5.12 diff gears. Rear is Locked

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Offline museboy07

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Re: Diff Drop Bracket
« Reply #17 on: July 30, 2007, 02:50:01 PM »
Hey jimiweld im running a 3in suspension lift...well not a true 3in suspension lift but i have 2in spacers and 1in coil expanders in the back so that adds up to 3in of rear lift...now what do you want me to measure??  ???
1994 Tracker, 2in Ironman springs w/ 1in spacers on top, soon to have custom diff drop brackets, 31x10.5-15 All Tarrains, Pro Comp long travel shocks, KYB performance struts, strut mount flip w/2in extensions, 3in rear a-arm spacer, ...DD

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Offline Jimiweld

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Re: Diff Drop Bracket
« Reply #18 on: July 30, 2007, 04:28:25 PM »
You requested a 3" spacer, and it seems you have 3" of suspension lift so the height you gave me is acurate. I think what Crikey Mike was saying, and this makes sense is that as you seperate the diff mount from the A-arm there will be a slight horizonal change. So instead of just droping it 3"  we should have offset the top and bottom plate a bit. This would be very hard for you to measure, I was hoping someone who is already running this set up would chime in.
 When my bracket arrives try bolting it to the diff, then try bolting the A-arm on, if it seems like you are having to force it to make it go then we will need to offset it. Try to get a feel for what would allow it to bolt up and I'll make another one, it's very quick for me. Don't worry, I'm not going to charge you for something that doesn't work.
  I'll see If I can work it myself by the pinion angle and the height.
Jim
1990 Tracker - 3.5" body Lift, 1.5 coil spacers, 31" TRXUS tires, homemade front bumper, Automatic Tansmission, 5.12 diff gears. Rear is Locked

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Offline museboy07

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Re: Diff Drop Bracket
« Reply #19 on: July 30, 2007, 09:13:07 PM »
Ok well ive seen people run those spacers with no offset but ill try it on mine...do you want me to send the money i owe you now or after it arrives??
1994 Tracker, 2in Ironman springs w/ 1in spacers on top, soon to have custom diff drop brackets, 31x10.5-15 All Tarrains, Pro Comp long travel shocks, KYB performance struts, strut mount flip w/2in extensions, 3in rear a-arm spacer, ...DD

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Offline Jimiweld

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Re: Diff Drop Bracket
« Reply #20 on: July 31, 2007, 04:16:05 AM »
Just wait and see how it works.
Jim
1990 Tracker - 3.5" body Lift, 1.5 coil spacers, 31" TRXUS tires, homemade front bumper, Automatic Tansmission, 5.12 diff gears. Rear is Locked

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Offline museboy07

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Re: Diff Drop Bracket
« Reply #21 on: July 31, 2007, 04:28:41 AM »
Cool...thanks alot man  :)
1994 Tracker, 2in Ironman springs w/ 1in spacers on top, soon to have custom diff drop brackets, 31x10.5-15 All Tarrains, Pro Comp long travel shocks, KYB performance struts, strut mount flip w/2in extensions, 3in rear a-arm spacer, ...DD

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Offline whateverworks

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Re: Diff Drop Bracket
« Reply #22 on: July 31, 2007, 06:05:49 AM »
I would use thicker steel that 1/4" plate for the top n bottom of the rear diff to 3rd link. I used 3/8" steel with 2.5" od 1/4" wall pipe to make mine and ended up bending the 3/8" plate all the hell on some rocks. Make it STRONG... Use 1/2" plate if ya have it as it will bend from torque load and twist from the rear axle housing.
Kelly

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Offline Jimiweld

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Re: Diff Drop Bracket
« Reply #23 on: July 31, 2007, 06:22:18 AM »
Right on, good to know, I'll build it out of the 1/2" plate then. What about offset of the two plates?
Jim
1990 Tracker - 3.5" body Lift, 1.5 coil spacers, 31" TRXUS tires, homemade front bumper, Automatic Tansmission, 5.12 diff gears. Rear is Locked

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Offline bentparts

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Re: Diff Drop Bracket
« Reply #24 on: July 31, 2007, 08:10:57 AM »
I had to build mine with the bolt holes offset front to rear to account for the angle difference.
The usual stuff, and 2nd generation Air to liquid intercooled TURBOCHARGER

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Offline Jimiweld

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Re: Diff Drop Bracket
« Reply #25 on: July 31, 2007, 09:45:56 AM »
How much suspension lift did you have and what was the offset you used?
Thanks
1990 Tracker - 3.5" body Lift, 1.5 coil spacers, 31" TRXUS tires, homemade front bumper, Automatic Tansmission, 5.12 diff gears. Rear is Locked

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Offline whateverworks

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Re: Diff Drop Bracket
« Reply #26 on: July 31, 2007, 03:20:08 PM »
I have 4" of lift in the rear of my Kick with XJ coils and never put any offset in for the top plate. The pinion points perfectly to the t-case just at the right angle. Any more than 4" of lift and YES I would suggest the top plate be offset to achieve proper pinion angle.
Kelly

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Offline museboy07

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Re: Diff Drop Bracket
« Reply #27 on: July 31, 2007, 03:37:44 PM »
whateverworks...how tall was your spacer?
1994 Tracker, 2in Ironman springs w/ 1in spacers on top, soon to have custom diff drop brackets, 31x10.5-15 All Tarrains, Pro Comp long travel shocks, KYB performance struts, strut mount flip w/2in extensions, 3in rear a-arm spacer, ...DD

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Offline whateverworks

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Re: Diff Drop Bracket
« Reply #28 on: July 31, 2007, 03:51:14 PM »
1.75" spacer in front and no spacers in the rear as I am running Heep XJ coils in the rear till my parts truck comes home with +2" GV coils made by BDS get here then out come the shitty spacers for some real springs.
Kelly

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Offline Jimiweld

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Re: Diff Drop Bracket
« Reply #29 on: July 31, 2007, 03:56:41 PM »
Thanks Kelly
  The 3" spacer I made him should be fine as far as angle goes then and alright for now if he doesn't beat on it. In the mean time I'll make some stronger ones as you suggested.
  I work in mississauga, we should get out sometime and do some wheeling, like to see your rig.
Jim
1990 Tracker - 3.5" body Lift, 1.5 coil spacers, 31" TRXUS tires, homemade front bumper, Automatic Tansmission, 5.12 diff gears. Rear is Locked