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Old 02-06-2015, 04:33 PM   #7021
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Anyone selling a xb4 14 or 15?
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Old 02-06-2015, 07:57 PM   #7022
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I'm building my 2015 xb4 tonight and I'm either reading the manual wrong or something...What length drive shaft goes from the slipper to the front and rear when running a shorty? i have the 95mm in the rear and 85mm in the front and it's messed up haha. The manual says, 95mm (shorter) in the rear but 85mm (longer) in the front? How is 95mm shorter than 85mm? Any help is appreciated because I obviously have something messed up
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Old 02-06-2015, 08:34 PM   #7023
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Originally Posted by skeasor View Post
I'm building my 2015 xb4 tonight and I'm either reading the manual wrong or something...What length drive shaft goes from the slipper to the front and rear when running a shorty? i have the 95mm in the rear and 85mm in the front and it's messed up haha. The manual says, 95mm (shorter) in the rear but 85mm (longer) in the front? How is 95mm shorter than 85mm? Any help is appreciated because I obviously have something messed up
There is an addendum in the kit for assembly when running shorty. It uses different driveshafts than saddle.
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Old 02-06-2015, 08:35 PM   #7024
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There is an addendum in the kit for assembly when running shorty. It uses different driveshafts than saddle.
Yea, those are the ones I'm using (bag 9). For the slipper, does the longer shaft go toward to the front of the rear of the car?
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Old 02-06-2015, 08:40 PM   #7025
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85mm front
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Old 02-06-2015, 08:42 PM   #7026
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85mm front
Thanks....My front is binding badly. I have the diff completely out and any angle I put to the front drive shaft causes binding somewhere...If the drive shaft is level is spins freely but as soon as i connect it to the output drives of the slipper it binds. Cant figure it out.


edit: It's the actual drive shaft is binding. The cup that keeps the pin in is binding...hmmm

edit 2: fixed it...removed the grease, cleaned it up and regreased. odd. maybe not enough grease the first time
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Last edited by skeasor; 02-06-2015 at 08:58 PM.
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Old 02-06-2015, 10:46 PM   #7027
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I wonder if I'm the first to have a broken steel pinion gear? I bought and installed the steel ring and pinion gears on my 14 XB4 as soon as they were released and ended up hearing the dreaded clicking sound tonight coming down the front straight . I was confused as I didn't believe I would have issues with the diffs after installing the steel gears but low and behold it happened . I'm running on hard pack dirt and my slipper is set at 7.54mm so I'm not running it too tight, the ring gear appears to be fine so I guess it's not so bad...good thing I have the composites as back up I guess
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Old 02-07-2015, 02:31 AM   #7028
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Originally Posted by skeasor View Post
Yea, those are the ones I'm using (bag 9). For the slipper, does the longer shaft go toward to the front of the rear of the car?
85mm in front 95mm rear, the shorter/longer is a typo.
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Old 02-07-2015, 02:32 AM   #7029
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Originally Posted by skeasor View Post
Thanks....My front is binding badly. I have the diff completely out and any angle I put to the front drive shaft causes binding somewhere...If the drive shaft is level is spins freely but as soon as i connect it to the output drives of the slipper it binds. Cant figure it out.


edit: It's the actual drive shaft is binding. The cup that keeps the pin in is binding...hmmm

edit 2: fixed it...removed the grease, cleaned it up and regreased. odd. maybe not enough grease the first time
I have heard of a few people who put the CV pin through the wrong hole by accident........
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Old 02-07-2015, 03:30 AM   #7030
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Originally Posted by suzukipro View Post
I wonder if I'm the first to have a broken steel pinion gear? I bought and installed the steel ring and pinion gears on my 14 XB4 as soon as they were released and ended up hearing the dreaded clicking sound tonight coming down the front straight . I was confused as I didn't believe I would have issues with the diffs after installing the steel gears but low and behold it happened . I'm running on hard pack dirt and my slipper is set at 7.54mm so I'm not running it too tight, the ring gear appears to be fine so I guess it's not so bad...good thing I have the composites as back up I guess
I just had a phone call from a friend to say he just stripped one tonight as well. He was racing on a high grip carpet indoor track. Was also the front 14 tooth in a 13 model.
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Old 02-07-2015, 04:17 AM   #7031
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I just had a phone call from a friend to say he just stripped one tonight as well. He was racing on a high grip carpet indoor track. Was also the front 14 tooth in a 13 model.
I wonder if it has anything to do with the earlier gearboxes? Weren't they updated to eliminate some slop at the bearings?
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Old 02-07-2015, 04:45 AM   #7032
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I wonder if it has anything to do with the earlier gearboxes? Weren't they updated to eliminate some slop at the bearings?
Yeah I do remember something like that. When I assembled my 15 I considered shimming the 14t forward with shim between the bearing and gear.
I have had 1 run on mine and can see the wear mark only on the front 2/3 of the teeth. Plenty of depth left to play with.
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Old 02-07-2015, 08:04 AM   #7033
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anyone grenade the front bearing center mount on a 14?
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Old 02-07-2015, 08:15 AM   #7034
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anyone grenade the front bearing center mount on a 14?
Yup . And a rear gear box inner one.
And far as metal ring n pinion it prob wouldnt hurt to open gear boxes and throw grease on tge gears from time to time even if not rebuilding. What kind of lube are you guys using on the metal gears. I just been using black grease but looking for something better.
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Old 02-07-2015, 09:28 AM   #7035
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Red and Tacky has always worked the best for me.
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