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7290 u joint strength #875062 12/08/10 09:17 PM 12/08/10 09:17 PM
Joined: Feb 2005 Posts: 375 NW Minnesota M Maximus_Wedges OP enthusiast
Maximus_Wedges OP enthusiast M Joined: Feb 2005 Posts: 375 NW Minnesota	2700 lb race weight 10.00 727 with brake - dana. any one run a 7290 with similar???

Re: 7290 u joint strength [Re: Maximus_Wedges] #875063 12/08/10 09:34 PM 12/08/10 09:34 PM
Joined: Jun 2003 Posts: 9,225 Charleston S sixpackgut Drag Week Mod Champion
sixpackgut Drag Week Mod Champion S Joined: Jun 2003 Posts: 9,225 Charleston	i had a stock drive shaft w/7290s till just recently. 6.20s at 110 at 3600lbs Gen 3 power 6.22@110, 9.85@135 Follow @g3hemiswap on instagram performance only racing, CRT, ultimate converter, superior design concepts, ThumperCarbs

Re: 7290 u joint strength [Re: Maximus_Wedges] #875064 12/08/10 10:00 PM 12/08/10 10:00 PM
A Anonymous Unregistered
Anonymous Unregistered A	Quote: 2700 lb race weight 10.00 727 with brake - dana. any one run a 7290 with similar??? YES and the tranny yoke broke taking out my sprag,driveshaft and breaking teeth of my dana 60. It is cheaper now to replace front and rear with 1350 u joints.

Re: 7290 u joint strength [Re: Maximus_Wedges] #875065 12/08/10 10:07 PM 12/08/10 10:07 PM
Joined: Jun 2003 Posts: 52,972 Romeo MI MR_P_BODY Master
MR_P_BODY Master Joined: Jun 2003 Posts: 52,972 Romeo MI	I'm at 2400+ and been running the same joint for over 6 years... its still running great 6346373-DSC00032.JPG (229 downloads)

Re: 7290 u joint strength [Re: Maximus_Wedges] #875066 12/08/10 10:31 PM 12/08/10 10:31 PM
Joined: Jan 2003 Posts: 16,925 NC 440Jim I Live Here
440Jim I Live Here Joined: Jan 2003 Posts: 16,925 NC	My car is over 3200 pounds, 9.20's ET, and 1.2x sixty foot times. I have 7290 U-joints in it. No transbrake, just footbrake. 1993 Daytona, 5.50 at 130mph (1/8) 1.19 sixty ft (PG). Link to 572 B1 - Part 1

Re: 7290 u joint strength [Re: 440Jim] #875067 12/08/10 11:53 PM 12/08/10 11:53 PM
Joined: Dec 2007 Posts: 10,542 BROOK PARK, OH WILD BILL Senior Member of the Junior Dragster Club
WILD BILL Senior Member of the Junior Dragster Club Joined: Dec 2007 Posts: 10,542 BROOK PARK, OH	I'm in at 2800#'s and doing just fine on solid 7290 joints. Don't get hollow/greasable joints and install them correctly and you should be OK.

Re: 7290 u joint strength [Re: 440Jim] #875068 12/08/10 11:56 PM 12/08/10 11:56 PM
Joined: Feb 2005 Posts: 375 NW Minnesota M Maximus_Wedges OP enthusiast
Maximus_Wedges OP enthusiast M Joined: Feb 2005 Posts: 375 NW Minnesota	Our other cars have 1350 sets. This o'l chassis car was set up with the 7290. I think I'll run it for a while. I can't be nearly as hard on equipment as 440 Jim and Mr P Body

Re: 7290 u joint strength [Re: Maximus_Wedges] #875069 12/09/10 12:00 AM 12/09/10 12:00 AM
Joined: Jun 2003 Posts: 52,972 Romeo MI MR_P_BODY Master
MR_P_BODY Master Joined: Jun 2003 Posts: 52,972 Romeo MI	Quote: Our other cars have 1350 sets. This o'l chassis car was set up with the 7290. I think I'll run it for a while. I can't be nearly as hard on equipment as 440 Jim and Mr P Body LOL... thats off the trans brake every pass with a best 60 of 1.19 but normal is 1.21

Re: 7290 u joint strength [Re: Maximus_Wedges] #875070 12/09/10 11:59 PM 12/09/10 11:59 PM
Joined: Jan 2003 Posts: 12,066 Benton, IL. D DaveRS23 Special needs idiot
DaveRS23 Special needs idiot D Joined: Jan 2003 Posts: 12,066 Benton, IL.	The Spicers are still forged and affordable, under $20. I think a quality forged 7290 would be as strong as a cast 1350. I bring this up because you didn't say anything about which brand of joint you were considering. Master, again and still

Re: 7290 u joint strength [Re: DaveRS23] #875071 12/14/10 03:29 AM 12/14/10 03:29 AM
Joined: Oct 2010 Posts: 126 Nevada T theman440 member
theman440 member T Joined: Oct 2010 Posts: 126 Nevada	3650 lbs, 1.45 60ft, mid to high tens, transbrake and running 7290 joints - no issues. Make sure you use high quality forged units. I believe the only real difference between 7290s & 1350s is the cup width. 6356631-wheelie.bmp (350 downloads)

Re: 7290 u joint strength [Re: theman440] #875072 12/14/10 02:06 PM 12/14/10 02:06 PM
Joined: Jan 2003 Posts: 5,894 Florida Locomotion master
Locomotion master Joined: Jan 2003 Posts: 5,894 Florida	Spicer are the best. But get the solid ones. A billet rear end yoke helps a lot too. OEM units can eventually spread and let the u-joint pound out.

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