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#1
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carrier identification help :
I am changing the gears in my 68 Newport and thought it was the 489 case, well it isn't, the numbers on the carrier are 2467199, I know its a weird number but thats whats on it, I need help to get the right bearings and gears, help please. Dave in Florida.
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#2
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I've seen the number before but it's been awhile.
I'm thinking its one of several low-performance carriers, but I expect someone in the Performance Forum will be able to give more exact info. If nothing else, 8 3/4 carriers arent exactly rare, maybe just swap another unit in? Be sure to replace with the same gear ratio unless speedometer accuracy isnt a big concern. |
#3
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I have
a cherry set of 2.76s out of a 72 new yorker,long way to ship though,100 buks you ship?
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#4
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Re carrier help:
I have 2:76's in it now, I was changing to something a little lower. I bought 3:23's for a 489 off of Ebay, thats when I ran into trouble because I didn't have a 489. Thanks for your help though. Dave.
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#5
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as far as bearings and such
they are all pretty much the same,pull it down and match up bearing and race assemblies,I have reused crush sleeves by tapping on them on a bar in the vise,backlash at 10 to 12,new seal and reinstall.
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#6
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I cannot find a reference for the numbers that you listed.
1-3/8" small stem pinion... (aka. '741')... Carrier casting numbers: 1820657 (1957-1964), 2070741 (1964-1972). This assembly was typically used in low weight/low horsepower applications through low weight/medium horsepower and high weight/low horsepower applications. Pinion depth and bearing preload is set with shims. Differential bearing setting (ie. backlash ) is set with threaded adjusters. 1-3/4" large stem pinion... (aka. '742')... Carrier casting numbers: 1634985 (1957-1964), 2070742 (~1961-1969). This assembly was replaced by a phase-in of the 1-7/8" pinion starting in the 1969 model year. 1970 RW (Plymouth and Dodge mid-size) were the last models to use the 1-3/4" which appeared in a 2881489 case. This assembly was typically used in high weight/medium horsepower applications through high weight/high horsepower applications. Pinion depth and bearing preload is set with shims. Differential bearing setting (ie. backlash ) is set with threaded adjusters. 1-7/8" tapered stem pinion... (aka. '489')... Carrier casting numbers: 2881488, 2881489 (1969-1974). This assembly was introduced in 1969 and was phased-in to relace the 1-3/4" unit through 1970. Note: the 1-3/4" pinion also appeared in some '489' carriers during this period. By 1973, the '489' was the only unit available in passenger car applications. This assembly was typically used in high weight/medium horsepower applications through high weight/high horsepower applications. Pinion depth is set with shims, preload is set with a crush sleeve. Differential bearing setting (ie. backlash ) is set with threaded adjusters. |
#7
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number location
Hey ehostler, where are those numbers located on the carriers?
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#8
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Carrier help:
Thanks for everyones help, it turns out its a 742. The numbers where cast into the housing. Dave. Anyone need 3:23 gears for a 489?
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#9
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number location
Don't mean to interupt! robert they are usally on the drivers side of the carrier right below the the first rib, should be a flat pad with the cast. #'s,back from the yoke.
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#10
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#11
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Man it don't get any better than THAT! I need to get a digital cam.Pretty clear pic. too.
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#12
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Yea, that'll work. I have one out of a Duster I want to identify. Thanks.
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#13
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Those pics came from an auction on ebay. So, they will probably only be good for another month or so (before ebay removes the pics).
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