Gear Install - Pattern Check
#1
Gear Install - Pattern Check
I would appreciate those with more knowledge looking at these patterns on 4.88's in a 01 Tacoma non ELD rear. I never thought to check the thickness of the factory pinion spacer. I did not add anything to it.
Pinion PL 12+ lbs, no spacer
Backlash 0.010 If I swap the ring and case side shims it drops to 0.004 which is too tight, correct? Could I add some pinion shim to tighten it up or would I risk pushing the pattern too deep?
Thanks in advance!
Drive:
Coast:
Pinion PL 12+ lbs, no spacer
Backlash 0.010 If I swap the ring and case side shims it drops to 0.004 which is too tight, correct? Could I add some pinion shim to tighten it up or would I risk pushing the pattern too deep?
Thanks in advance!
Drive:
Coast:
#2
I sent the pics above to ECGS. They thought pinion was too deep so I took out the stock pinion spacer and threw in all the shims that were sent with the install kit. That totaled to about .072 down from stock at .081. I swapped the ring and case side shims and ended up with BL about 0.0075.
New pattern
Drive:
Coast:
Same setup, pattern in a different spot
Drive:
Coast:
New pattern
Drive:
Coast:
Same setup, pattern in a different spot
Drive:
Coast:
#3
might check a few pattern's on Zuk's site: http://gearinstalls.com/
for comparison
for comparison
#6
Thanks Zuk. And thanks for all the info you've posted on your site.
I went back to my original pinion depth but had to leave town for a week so I'll get back to it this weekend. I was able to tighten backlash to 0.007 and get the solid spacer shimmed to get pinion preload to 12 or so. i will post some new pics this weekend.
I went back to my original pinion depth but had to leave town for a week so I'll get back to it this weekend. I was able to tighten backlash to 0.007 and get the solid spacer shimmed to get pinion preload to 12 or so. i will post some new pics this weekend.
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