ring&pinon or comp 3rd mem
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Freshman User
Joined: Oct 2002
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From: princeton
ring&pinon or comp 3rd mem
Which is easier and faster when changing ratios? 94-5.0-4r70w-3.08 Want to change to 3.55 What years can be swapped? Ring & pinon or Comp axle. I'm going to use used parts from local boneyard. 3.08 won't pull the hat off grandpa's head. Gonna get me some gear! PM
Post Fiend
Joined: Nov 2002
Posts: 9,987
Likes: 7
From: Memphis, TN
ring&pinon or comp 3rd mem
'92-up has no speedo cable or gear. It uses the ABS sensor in the rear axle for the speedo, transmission control, cruise, and ABS (and thermometer on '95-6 EB Broncos).
'87-up has no third member - only the 8.8" axle in 1/2-tons, which is a NON-removable carrier differential. The 9" in '86 was the last with a "chunk".
BTW My 3.08s will pull the world.
'87-up has no third member - only the 8.8" axle in 1/2-tons, which is a NON-removable carrier differential. The 9" in '86 was the last with a "chunk".
BTW My 3.08s will pull the world.
Post Fiend
Joined: Nov 2002
Posts: 9,987
Likes: 7
From: Memphis, TN
ring&pinon or comp 3rd mem
Oops - you're right. 
'92 only has the gears and the VSS (but no cable) on the trans/t-case just for the old vacuum-type cruise system. '93-current has no speedo gears.
In any case, his '94 doesn't need speedo gears or recalibration, unless he changes tire size.
'92 only has the gears and the VSS (but no cable) on the trans/t-case just for the old vacuum-type cruise system. '93-current has no speedo gears.In any case, his '94 doesn't need speedo gears or recalibration, unless he changes tire size.
