JB Conversion output on short shaft D300 - Pirate4x4.Com : 4x4 and Off-Road Forum
 
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Old 02-25-2007, 07:44 AM   #1 (permalink)
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JB Conversion output on short shaft D300

I'm looking at the JB web site and it says the HD 32 spline output shaft is not compatible with short shaft D300's. Is this because it just won't work/fit, or is it because it will screwup the driveshaft travel?

I have a short shaft D300 and want to put the HD front and rear outputs in it (along with 4:1 and clock kit) and when it's done I'll be getting a woods CV, plus it's going in a CJ that currently has a long shaft output anyways.

Ironically I've emailed JB on this and have gotten no response.

TIA
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Old 02-25-2007, 09:23 AM   #2 (permalink)
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I read the other day while doing some research on the short shaft D300 that the bolt pattern on the tail cone is different between the short shaft and long shaft D300's. I have no first hand knowledge of this fact, but it may give you something elese to look into or somethign to be able to compare your D300 to the long shaft version in the CJ.
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Old 02-25-2007, 06:18 PM   #3 (permalink)
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i just heard back from JB and you're right, the bolt patterns are different.
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Old 02-26-2007, 02:00 AM   #4 (permalink)
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i did read a thread on pirate of someone who made it work though.
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Old 02-26-2007, 01:10 PM   #5 (permalink)
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Advance adapters makes a short output kit.
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Old 02-26-2007, 02:44 PM   #6 (permalink)
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yeah but it's like $100 more than the normal one. i've fortunately found someone with a long shaft case that wants a short shaft case, so we're trading.
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Old 04-25-2008, 08:36 PM   #7 (permalink)
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TTT on this one.

I have heard of people swapping long tailcones and outputs on short 300 by drilling and tapping the one tailcone hole that is off.

Why couldn't this be done on with the 32 spline kit? I really want to go with the JB conversions over the AA.
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Old 04-25-2008, 08:43 PM   #8 (permalink)
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This post answered my question on the differences. I assume that the short case doesn't have a flat machined area for this bolt.
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