Manual Transmission T56 | T5 | MN12 | Clutches | Hydraulics | Shifters

ripped teeth off input shaft gear... oops

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Old 08-06-2006, 09:09 AM
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Default ripped teeth off input shaft gear... oops

this happend in the middle of third gear yesterday

had some friends pitch in to get me back home 60 miles away.

wonder if i can just replace the gears, rinse the trans and clean the magnets best i can and get it back together as opposed to a complete dissassembly... thoughts?
Old 08-06-2006, 03:16 PM
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The problem could have occured due to a few miles on the tranny and had some slop in it due to bearing wear. A propper shimming of the bearing end play would be important to do to make sure it doesn't happen again.
Old 08-06-2006, 06:12 PM
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That problem comes quit often in high horespower cars. The alloy that the gears are made of just can not handle the torque load for very long. I have seen a viper tranny that had very few miles on it do the same thing. That car made 650whp on motor and 1050whp on nitrous. To fix that for short term the cluster, and the input shaft need to be repalced. For long term you will need a G-force or Liberty gear set and cluster. 700whp seems to be the magic number for some feeling of durability, anything over that and its a ticking time bomb. It does depend on how you use the car though playing on the street with roll ons and it could live .

Last edited by ls1 joe; 08-06-2006 at 06:18 PM.
Old 08-06-2006, 09:45 PM
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Or get a factory-built SRT10 Ram T56 with 9310 steel input and cluster/ one piece cluster gear design and thick-wall 30T output yoke set up.Forget the aftermarket faint claims / get a real warranty.
Old 08-07-2006, 07:39 AM
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damn David, you fkn animal! lol

How many times have you broken internal tranny parts?

I can't believe my stock **** still lives
Old 08-07-2006, 07:50 AM
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I finally read your sig and with the power you are putting down I don't think there is any way you can insure it doesn't happen again
With the cost of a new cluster and input i'd seriously consider a Liberty gear set
Old 08-07-2006, 10:22 AM
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With the SRT-10 Truck Transmissions I have 2 sitting here that have broken the clusters as well. I think the 1-piece design was good but I have not seen it hold anymore than the original 2 piece design. This truck was stock and the teeth vertually snapped off and the other was a Twin Turbo making 725hp to the tires. I still think the Liberty or G-Force would be the best bet for long term usage.
Old 08-07-2006, 10:36 AM
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Originally Posted by Tiago
damn David, you fkn animal! lol

How many times have you broken internal tranny parts?

I can't believe my stock **** still lives

take it to the track then see

this is one of two trans's i have so the car was only broken a matter of hours.

both input shafts are oem and both have around 20k on them, mostly over 800rw.. i'm not dissapointed it broke, but sure was inconvenient to break so far from home.

this time last year i had just broken my second output shaft of the season, upgraded that end to the viper shaft and that is holding up good.
Old 08-07-2006, 11:43 AM
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Damn Dave, you broke on your first pass didnt you? Thats why you should be towing that thing to the track with slicks/skinnines on instead of street driving it with street tires :p
Old 08-07-2006, 11:55 AM
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just bad timing, probably made 50 passes previous to that one this year with no problems.
Old 08-14-2006, 07:51 AM
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anybody got a good deal going on these parts? will rebuild myself.
Old 08-14-2006, 12:09 PM
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That happened to me and Dan whom I work with on more than one occasion. (Until we went with G-force)
Old 08-14-2006, 04:16 PM
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David,

Call me with a parts list. I have what you need.

Thanks,
Amber
Old 08-14-2006, 04:28 PM
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i'll get one together and post it up asap
Old 09-01-2006, 07:31 AM
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i got it apart finally last night (got the counter shafts out without pressing off any gears on the main shaft!)

loooks like only damage was to the counter shaft and of course the input shaft itself, i dont know what else you 'should' replace while its apart.. it doesnt grind shifts and i can't see any damage to the other gears.. but the teeth i pulled out of the case from the input shaft were blue from heat.
Old 09-02-2006, 11:29 AM
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http://www.fastrides.com/photos/mm/i.../original.aspx
it looks like the only damaged parts are the counter shaft and the input shaft.. maybe i should get new bearings for them both in case they rode away from each other causing the stripping? would be great if they could ship with the bearings installed unless i can do it with a block of wood and a hammer
Old 09-02-2006, 03:01 PM
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I had wondered if it was due to the fact that it had 1100 horsepower feeding it.
Old 09-02-2006, 03:09 PM
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Originally Posted by orangeapeel
I had wondered if it was due to the fact that it had 1100 horsepower feeding it.
nah, im only nearing 3 times the rated tq capacity of this thing
Old 09-03-2006, 11:17 PM
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Originally Posted by RaNsOm
Damn Dave, you broke on your first pass didnt you? Thats why you should be towing that thing to the track with slicks/skinnines on instead of street driving it with street tires :p
That's true but it's awesome seeing a single digit car drive into the track!
Old 09-04-2006, 10:14 AM
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i made 5 passes the night before and drove to mir on a hurt trans. I didn't want to skip the race just cuz the trans wasnt sounding so hot. i dont have a trailor of my own.




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