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  #1  
Old 01-10-2011, 02:26 PM
DieselBrad DieselBrad is offline
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Posts: 458
Default U bolt size?

I am preping to put chevy springs is the back of my 04 ranger.

I will be doing away with the block and will need shorted u bolts.

I know they are 9 1/2" long but what diameter is the axle tube? Also what diameter bolts should i get 1/2"?
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04 Supercab 4dr 4.0 5spd 4x4 EDGE. Daily Driver
96 F350 Crewcab 460 5spd Vortech S/C 4X4 6" 35s
94 Lightning Bassani headers back CAI Underdrive Pulleys
86 F250 Reg Cab 6.9 4Spd 4x4 6" 35s (powerstoke,D60 5spd on the way)
80 F350 Reg Cab 429 C6 4x4 L&L headers F450 rear springs All Out Pulling Truck(D60 Laddered Frame, 540cid coming)
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  #2  
Old 01-10-2011, 02:39 PM
STL STL is offline
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Default Re: U bolt size?

The main tube diameter of a 31-spline Ranger axle is 3.25", 28-splines are 2.80"
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Last edited by STL; 01-10-2011 at 02:44 PM.
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  #3  
Old 01-10-2011, 03:24 PM
DieselBrad DieselBrad is offline
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Default Re: U bolt size?

I would hope i have the 31 spline
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04 Supercab 4dr 4.0 5spd 4x4 EDGE. Daily Driver
96 F350 Crewcab 460 5spd Vortech S/C 4X4 6" 35s
94 Lightning Bassani headers back CAI Underdrive Pulleys
86 F250 Reg Cab 6.9 4Spd 4x4 6" 35s (powerstoke,D60 5spd on the way)
80 F350 Reg Cab 429 C6 4x4 L&L headers F450 rear springs All Out Pulling Truck(D60 Laddered Frame, 540cid coming)
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Old 01-10-2011, 04:11 PM
STL STL is offline
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Default Re: U bolt size?

One way to tell is the 28 spline narrows toward the brake drums. 31 spline remains same diameter the whole way.
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Old 01-10-2011, 04:59 PM
DieselBrad DieselBrad is offline
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Posts: 458
Default Re: U bolt size?

I have 4:10s does that help?
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04 Supercab 4dr 4.0 5spd 4x4 EDGE. Daily Driver
96 F350 Crewcab 460 5spd Vortech S/C 4X4 6" 35s
94 Lightning Bassani headers back CAI Underdrive Pulleys
86 F250 Reg Cab 6.9 4Spd 4x4 6" 35s (powerstoke,D60 5spd on the way)
80 F350 Reg Cab 429 C6 4x4 L&L headers F450 rear springs All Out Pulling Truck(D60 Laddered Frame, 540cid coming)
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