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95 prospector 1/2 ton 4bt front axel
Im putting a matching gear set in the front dana 44, to match the rear 3.55.Ive got my pinion depth set right,but im worried about the backlash of .015".Manual says spec is .004"-.009".I was wondering if anyone thinks this will be to loud when engaging?
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the spec is .004-.009 with a .006 tolerance + or - your backlash at the deepest mesh. according to factory your just fine, but there will be a slight noise, nothing anyone or yourself will cringe over.:U:
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Originally Posted by tower_ofpower
(Post 367065)
the spec is .004-.009 with a .006 tolerance + or - your backlash at the deepest mesh. according to factory your just fine, but there will be a slight noise, nothing anyone or yourself will cringe over.:U:
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Originally Posted by tower_ofpower
(Post 367065)
the spec is .004-.009 with a .006 tolerance + or - your backlash at the deepest mesh. according to factory your just fine, but there will be a slight noise, nothing anyone or yourself will cringe over.:U:
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Originally Posted by stillcummin
(Post 367082)
where does this info come form?My factory manual doesnt say that.
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I have 2 different "factory" chrysler service manuals,and thats not in there!please dont tell me your making this up.who said service manual anyways?
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not making it up, i recently graduated from the univeristy of northwestern ohio. at the college we had axcess to "all data" and "mitchel on demand". when i was running around with my gasser i blew apart the chrysler 9 1/4 and rebuild it with a set of richmond gears and a LSD. the online manuals said that there is a .006 tolerance from the spec. i can't remember where i had mine set at but it was more torwards .007 backlash and the rear was quite as could be, no harsh engagement or thud.
At any rate maybe that "newbie" status will disappear... makes my credibility kinda iffy... yes, i'm young and fresh out of college but if i'm listening i soak it all up. :tttt: |
Originally Posted by tower_ofpower
(Post 367391)
not making it up, i recently graduated from the univeristy of northwestern ohio. at the college we had axcess to "all data" and "mitchel on demand". when i was running around with my gasser i blew apart the chrysler 9 1/4 and rebuild it with a set of richmond gears and a LSD. the online manuals said that there is a .006 tolerance from the spec. i can't remember where i had mine set at but it was more torwards .007 backlash and the rear was quite as could be, no harsh engagement or thud.
At any rate maybe that "newbie" status will disappear... makes my credibility kinda iffy... yes, i'm young and fresh out of college but if i'm listening i soak it all up. :tttt: |
Originally Posted by tower_ofpower
(Post 367391)
not making it up, i recently graduated from the univeristy of northwestern ohio. at the college we had axcess to "all data" and "mitchel on demand". when i was running around with my gasser i blew apart the chrysler 9 1/4 and rebuild it with a set of richmond gears and a LSD. the online manuals said that there is a .006 tolerance from the spec. i can't remember where i had mine set at but it was more torwards .007 backlash and the rear was quite as could be, no harsh engagement or thud.
At any rate maybe that "newbie" status will disappear... makes my credibility kinda iffy... yes, i'm young and fresh out of college but if i'm listening i soak it all up. :tttt: |
well rs, if you dont know your ass from a hole in the ground, and people fall into holes... does that mean people fall into your ass often? :humm::w2: and logan your alum from UNOH? heh... small world
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.007" is within the .004-.009 factory spec!thats why theres no thud.Are you reading this?Ive got .015".
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Originally Posted by stillcummin
(Post 368009)
.007" is within the .004-.009 factory spec!thats why theres no thud.Are you reading this?Ive got .015".
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.007 is within their specs of .004-.009 but there is a .006 tolerance... at .015 your JUST at the upper limit of the tolerance, if your so worried about it and have the correct tools, then switch some shims around. move the carrier side to side, it'll change the backlash, and your heel/toe pattern which probably wont be a bad thing. since you have the dial indicator set it ou the housing and measure the run out of the ring gear, at the point with the most run out (closer to the pinion) mark it and roll it around to where it'd make contact with the pinon, THEN check your backlash... you can have .015 at one point, and if your run out is .004 you can have .011 at the closest point. so the run out is critical b/c if you have .004 backlash with .004 run out then your eliminating tolerances and running WAYYYY tight. point is... check run out and then mark it and roll it around to the pinion and then check your backlash, it may change.plus engagement in the front will be abit sloppier than the rear, it has to transfer the torque from the transmission thru the belt link chain, down your from prop shaft (which will more than likely have slack in your double cardigan joint and slip joint then to your axle... probablility of harsh engagement, isn't really likely. let me know if you followed everything i said or if i lost ya :5:
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Originally Posted by tower_ofpower
(Post 368256)
.007 is within their specs of .004-.009 but there is a .006 tolerance... at .015 your JUST at the upper limit of the tolerance, if your so worried about it and have the correct tools, then switch some shims around. move the carrier side to side, it'll change the backlash, and your heel/toe pattern which probably wont be a bad thing. since you have the dial indicator set it ou the housing and measure the run out of the ring gear, at the point with the most run out (closer to the pinion) mark it and roll it around to where it'd make contact with the pinon, THEN check your backlash... you can have .015 at one point, and if your run out is .004 you can have .011 at the closest point. so the run out is critical b/c if you have .004 backlash with .004 run out then your eliminating tolerances and running WAYYYY tight. point is... check run out and then mark it and roll it around to the pinion and then check your backlash, it may change.plus engagement in the front will be abit sloppier than the rear, it has to transfer the torque from the transmission thru the belt link chain, down your from prop shaft (which will more than likely have slack in your double cardigan joint and slip joint then to your axle... probablility of harsh engagement, isn't really likely. let me know if you followed everything i said or if i lost ya :5:
Schultz??? or what teacher......I had him then Nidifer for Hi-Po drivelines......both had some insane stories...... |
never had either of them, i was strictly diesel. only time i went back to fairy land was for s&s, and two gen ed classes. and pretty much all of the instructors have some pretty crazy stories. most of that info there is self learned through reading, and then got some instructional; theory of operations from class and practice in heavy drive trains, and then the whole travel of torque is just me knowing how my 84 was and being all too familiar with that damn front drive shaft.
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Nidifer used to drive a chevy van around when he was a student at UNOH that they heated it with a kerosene heater they sheetmetal screwed to the floor.......
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