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Discussion Starter #1
Can anyone confirm this info that I found on Jegs website???

I need to know if a 3.73 12 bolt carrier will accept 4.10 gears???

Jegs website says it will.

12-Bolt 8.875'' Truck
# 8.875'' Diameter Ring Gear
# 1.438'' Pinion Diameter
# 30 Spline Pinion
# Irregular 12 bolt hole cover
# 3-Series fits 3.40 and numerically lower ratio carrier.
# 4-Series fits 3.73 and numerically higher carrier.
# When installing 5.13 and 5.38 ratios, differential pin P/N 80-0269-1 must be used.
Fits: 64-82 Blazer/C10 & K10 rear/K20 rear (Note: Will not fit 2.56 & 2.73 carrier on 80-83 Truck and Blazer.), 69-81 G10 & G20 Van
Use installation kit P/N 836-83-1018-1 or 836-83-1018-M.
 

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Discussion Starter #3
are you 100% positively absolutely sure??? just making sure before I drive two hours to get these and pay for them.

I appreciate the very fast response rvreddog, maybe one day we can meet and do some wheelin', I am getting very close to being done with this junker.
 

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yes, they will work.
 

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thanks for the help guys, just got through putting them in and they worked great. I can feel the trail under my tires. I drove down the alley a few minutes ago, people were outside staring like crazy.
 

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good deal

Trust in the wise ol' RV and Myk!!! Glad it worked out, I have dibs on the copilot seat 1st trip out.
 

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Discussion Starter #7
OldGoat said:
Trust in the wise ol' RV and Myk!!! Glad it worked out, I have dibs on the copilot seat 1st trip out.
you have more than earned the rights to the first and several other trips out in the passenger seat, but the drivers seat is a different story.
 
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