Re: 7260 u joints, how weak?
[Re: dirtybee]
#497452
10/15/09 02:28 AM
10/15/09 02:28 AM
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Joined: Aug 2003
Posts: 43,190 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,190
Bend,OR USA
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I used one in my Duster(3440lbs, 10.34 ET at 128.6)It was a one for a four wheel drive front end, solid and heat treated. I had broken the front yoke, 7290 size and spread open a new Spicer brand 7260 pinion yoke, I switch to a billet steel 7260 pinion yoke from Randys ring and pinion. Those parts held up, the 8 3/4 housing ended up bending and breaking the right side ladder bar brackets off of the rear end housing and twisting the housing beyond repair. I put a Dana 60 in the car with a 1330 pinion yoke and switch to adapter 1330 to the 7260 rear U joint to mate it to the driveshaft. I couldn't find a new rear driveshaft yoke in my size, 3.25 diameter so the adapter U joint was the only option other than replacing the entire driveshaft BTW, my motor is 518 C.I. pump gas low deck, the car runs on 315x60x15 M/T ET Street Radials
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: 7260 u joints, how weak?
[Re: Cab_Burge]
#497453
10/15/09 08:43 AM
10/15/09 08:43 AM
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Joined: Jan 2003
Posts: 16,123 Grand Haven, MI
patrick
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 16,123
Grand Haven, MI
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I'd say you're OK if you use the solid body ones, or the NEAPCO brand ones that have the zerk in one of the caps instead of in the cross.
1976 Spinnaker White Plymouth Duster, /6 A833OD 1986 Silver/Twilight Blue Chrysler 5th Ave HotRod **SOLD!*** 2011 Toxic Orange Dodge Charger R/T 2017 Grand Cherokee Overland 2014 Jeep Cherokee Latitude (holy crap, my daughter is driving)
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Re: 7260 u joints, how weak?
[Re: patrick]
#497454
10/15/09 09:02 AM
10/15/09 09:02 AM
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Joined: Jun 2003
Posts: 52,972 Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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Quote:
I'd say you're OK if you use the solid body ones, or the NEAPCO brand ones that have the zerk in one of the caps instead of in the cross.
I ran the small U-joint for a few years when my car was a ladder bar and never hurt the U-joint but when I changed the chassis to a 4 -link I went with the 7690 joints.... if it has any zert fitting it will be weaker and that holds true for any U-joint. Weight is what kills any drive line component ... JMO
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Re: 7260 u joints, how weak?
[Re: B1MAXX]
#497460
10/15/09 12:41 PM
10/15/09 12:41 PM
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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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I guest that I am lucky been running them in the car since I built it and not a problem.
Clean it, if it's Dirty. Oil it, if it Squeaks.
But: Don't fix it, if it Works!
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Re: 7260 u joints, how weak?
[Re: MoparforLife]
#497461
10/15/09 02:35 PM
10/15/09 02:35 PM
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Joined: Nov 2003
Posts: 6,293 Rock Springs
Bob_Coomer
master
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master
Joined: Nov 2003
Posts: 6,293
Rock Springs
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I ran 10.o's for awhile with a 7260-7290 conversion joint. I finally upgraded the 8 3/4 to a dana...but never had single problem with the joint or the 741 4.56 spool pumpkin. 3300-3400 lbs with a high 1.3x's short times.
[color:"red"]65 Hemi Belvedere coming soon [/color] [color:"#00FF00"]557" Indy engine 1.07 60ft 144mph in the 8th 2100 lbs package [/color]
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