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741 Ring & Pinion
#1150208
01/04/12 07:38 AM
01/04/12 07:38 AM
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Joined: Aug 2007
Posts: 475 HEMPSTEAD TX
CUUDAK
OP
mopar
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OP
mopar
Joined: Aug 2007
Posts: 475
HEMPSTEAD TX
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I picked up a 741 open chunk with a new 3.23 and wondering if the ring and pinion is the same as on the cone style sure-grip?
SRT8 CHARGER "Four door bore" <img src="/ubbthreads/images/graemlins/smile.gif" alt="" />
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Re: 741 Ring & Pinion
[Re: CUUDAK]
#1150209
01/04/12 08:43 AM
01/04/12 08:43 AM
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Joined: Jan 2003
Posts: 21,050 Niles , Ohio
therocks
oh wait.but hey.lets see.oh yeah.
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oh wait.but hey.lets see.oh yeah.
Joined: Jan 2003
Posts: 21,050
Niles , Ohio
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The SG will work in the 741 housing but if the R&P came from a 742 or 489 they wont fit the 741 housing.Rocky
Chrysler Firepower
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Re: 741 Ring & Pinion
[Re: CUUDAK]
#1150210
01/04/12 10:39 AM
01/04/12 10:39 AM
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Joined: Jan 2003
Posts: 25,200 Upper Midwest
MoparforLife
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,200
Upper Midwest
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Quote:
I picked up a 741 open chunk with a new 3.23 and wondering if the ring and pinion is the same as on the cone style sure-grip?
You Can use the sure grip on the 741 ring and pinion IN tech 741 case as long as you use the side bearings for the sure grip unit.
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Re: 741 Ring & Pinion
[Re: MoparforLife]
#1150211
01/04/12 02:58 PM
01/04/12 02:58 PM
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Joined: Aug 2007
Posts: 475 HEMPSTEAD TX
CUUDAK
OP
mopar
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OP
mopar
Joined: Aug 2007
Posts: 475
HEMPSTEAD TX
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I have three 741 cases and two are 741 cone style Sure-grips. The two Sure-grips are 3.55 and 3.91. I just want to swap the ring & pinion from the 741 that has the open diff into one of the 741 cases with the Sure-grip. Just wanted to make sure the r&p is the same between the open and the SG.
SRT8 CHARGER "Four door bore" <img src="/ubbthreads/images/graemlins/smile.gif" alt="" />
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Re: 741 Ring & Pinion
[Re: CUUDAK]
#1150214
01/04/12 08:12 PM
01/04/12 08:12 PM
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Joined: Nov 2003
Posts: 2,715 closer to Canadian beer!
torkrules
I'm neurotic
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I'm neurotic
Joined: Nov 2003
Posts: 2,715
closer to Canadian beer!
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Quote:
I picked up a 741 open chunk with a new 3.23 and wondering if the ring and pinion is the same as on the cone style sure-grip?
All the 8-3/4 rears have interchangeable SG units (clutch or cone). The gears won't interchange. The 741 is a small diameter straight pinion, 742 is large straight pinion and the 489 is a large tapered pinion that uses a crush collar for preload.
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Re: 741 Ring & Pinion
[Re: torkrules]
#1150215
01/04/12 11:50 PM
01/04/12 11:50 PM
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Joined: Aug 2007
Posts: 475 HEMPSTEAD TX
CUUDAK
OP
mopar
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OP
mopar
Joined: Aug 2007
Posts: 475
HEMPSTEAD TX
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Thanks for all the info folks!! I will just install the 3.23 ring gear on the sure-grip and put it in the open case.
SRT8 CHARGER "Four door bore" <img src="/ubbthreads/images/graemlins/smile.gif" alt="" />
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Re: 741 Ring & Pinion
[Re: therocks]
#1150216
01/05/12 12:32 AM
01/05/12 12:32 AM
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Joined: Jul 2008
Posts: 30,250 Florida STAYcation
dIc dOc Deity !
The village idiot's idiot
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The village idiot's idiot
Joined: Jul 2008
Posts: 30,250
Florida STAYcation
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Quote:
The SG will work in the 741 housing but if the R&P came from a 742 or 489 they wont fit the 741 housing.Rocky
...since THIS GUY has been werkin' on Mopars since the Stone Age .... TAKE his word furr it ..
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