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#1
03-06-2014, 01:17 PM
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U joint recommendation please
I was wondering if anyone has a recommendation for a good, strong u-joint to run on my 69 GTO vert. I will be pushing the 500 hp mark this year and don't want to be spitting the drive shaft out when my foot gets a little heavy. I am running a TH400 with a GM 12 bolt. Thank you in advance for any suggestions!
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69 Judge convertible........clone! Carousel red, parchment, hideaways, TH400, 10" Continental 3200 stall, 12 bolt with 3.42, 469 c.i. with ported #48's, ported cast iron intake, Cliff's Q-Jet and ported 2-1/2" Ram Air manifolds. |
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#2
03-06-2014, 01:40 PM
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Street tires?
If you still have the factory setup with the 3rGM's installed get some solid ones.
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 frittering and wasting the hours in an off hand way.... 1969 GTO, 455ci, 230/236 Pontiac Dude's "Butcher Special" Comp hyd roller cam with Crower HIPPO solid roller lifters, Q-jet, Edelbrock P4B-QJ, Doug's headers, ported 6X-8 (97cc) heads, TKO600, 3.73 geared Eaton Tru-Trac 8.5", hydroboost, rear disc brakes......and my greatest mechanical feat....a new heater core. 
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#3
03-06-2014, 01:52 PM
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Yes, street tires. P225-70-R14 on Rally 2 wheels. When they are used up, I will be putting a little more rubber on the ground.
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69 Judge convertible........clone! Carousel red, parchment, hideaways, TH400, 10" Continental 3200 stall, 12 bolt with 3.42, 469 c.i. with ported #48's, ported cast iron intake, Cliff's Q-Jet and ported 2-1/2" Ram Air manifolds. |
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#4
03-06-2014, 02:41 PM
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When I bought my drive shaft we discussed u joints. He said solid factory type u joints could easily handle more than a street tire could put down.
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frittering and wasting the hours in an off hand way.... 1969 GTO, 455ci, 230/236 Pontiac Dude's "Butcher Special" Comp hyd roller cam with Crower HIPPO solid roller lifters, Q-jet, Edelbrock P4B-QJ, Doug's headers, ported 6X-8 (97cc) heads, TKO600, 3.73 geared Eaton Tru-Trac 8.5", hydroboost, rear disc brakes......and my greatest mechanical feat....a new heater core.
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#5
03-06-2014, 09:28 PM
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I went with Spicer 1350X (X=non-greasable) u-joint and pinion yoke since I was building drivetrain from scratch and wanted bulletproof. 455 with a Tremec manual trans on wide street tires.
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- Tom |
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#6
03-06-2014, 09:47 PM
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I use spicer 1350's. But if you have a stock set up you will have to change both yokes.
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1978 Black & Gold T/A [complete 70 Ram Air III (carb to pan) PQ and 12 bolt], fully loaded, deluxe, WS6, T-Top car - 1972 Formula 455HO Ram Air numbers matching Julep Green - 1971 T/A 455, 320 CFM Eheads, RP cam, Doug's headers, Fuel injection, TKX 5 Spd. 12 Bolt 3.73, 4 wheel disc. All A/C cars |
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#7
03-06-2014, 10:35 PM
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i've plateau'd on the 1350s
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12.24/111.6MPH/1.76 60'/28"/3.54:1/SP-TH400/469 R96A/236-244-112LC/1050&TorkerI//3850Lbs//15MPG/89oct Sold 2003: 12.00/112MPH/1.61 60'/26"x3.31:1/10"/469 #48/245-255-110LSA/Q-Jet-Torker/3650Lbs//18MPG 94oct Sold 1994: 11.00/123MPH/1.50 60'/29.5"x4.10:1/10"/469 #48/245-255-110LSA/Dual600s-Wenzler/3250Lbs//94oct |
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#8
03-11-2014, 10:25 PM
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Thanks much for the input guys. As much as I'd like to change both yokes and run 1350's my pocket book says I'll be running solid factory type this year. Any suggestions on a brand? I've always been a Spicer Fan.
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69 Judge convertible........clone! Carousel red, parchment, hideaways, TH400, 10" Continental 3200 stall, 12 bolt with 3.42, 469 c.i. with ported #48's, ported cast iron intake, Cliff's Q-Jet and ported 2-1/2" Ram Air manifolds. |
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#9
03-12-2014, 08:12 PM
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Spicer 1350
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68 Firebird. IA2 block, 505 cu in, E-head, Solid roller 3650 weight. Reid TH400 4:11 gear. 29" slick. Best so far 10.12@133 mph. 1.43 60 ft. 76 Trans am, TKX .81 o/d, 3.73 Moser rearend, 468 with KRE D-ports, Doug headers, 3" Exh. |
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#10
03-12-2014, 11:07 PM
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What do you guys think of the girdles in the rear yoke to keep the caps in place. My T/A does not have the little tabs in place to center the cups in the rear. They are not broken either. They never were there. I just center them by eye/feel but it just makes me nervous.
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