U-joint recommendation

Engine, Transmission and related drivetrain.
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mell00510
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U-joint recommendation

Post by mell00510 »

So I went to get a timeslip on the 510 yesterday. Cleaned the tires a little in the box, car launched well, grabbed second and snap! Front u-joint. So went back to pit area, slapped in back up shaft (unknown condition). Went to box cleaned tires, launched car a little softer, grabbed 2nd and again, Snap! Front joint again :(
Sooo- no timeslip and looking for advise. Thanks
*I should also add they were both grease able style, are the non grease able solid? I noticed mine were hollow in order to let grease travel thru the joint
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datzenmike wrote:Too bad about the fire wall. What does the V8 weigh?
datzenmike
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Re: U-joint recommendation

Post by datzenmike »

Non greasable would be solid, even though... what engine are you using that would do this to a greasable one?

Too much traction and too much power = something breaking. At the moment they are the weakest link in your chain.

1/Narrower tires would give more and slip, acting as a fuse to limit drive line shock?

2/Shorter gears will reduce the drive line shock.

3/ Ignition retard or some other power reducer used through first and first shift, turned off in second.
"Nissan 'shit the bed' when they made these, plain and simple." McShagger510 on flattop SUs
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mell00510
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Re: U-joint recommendation

Post by mell00510 »

Well... Its a ka car and makes around 350 #'s of torque at the rear tires, so the driveline limits have been exceed multiple times. It is a street car (no local tracks) and handled this power for years on the street, so YES it was the new found traction that broke it for sure! Now I just want the best quality joint available and I'll stay off the track :cry: for now

On another yet similar note- how about switching to the d21 (although u-joint looks same size ears are larger), or sr slip yoke (this may be all 240's? Don't know, came with my sr)? Obviously only after r-180 and vg trans are installed :lol:

I like the $20 fixes! Hahahaha
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datzenmike wrote:Too bad about the fire wall. What does the V8 weigh?
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JordanTr
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Re: U-joint recommendation

Post by JordanTr »

My custom driveshaft uses a 3" tube and 1310 Spicer U joints with forged components from the catalog linked below. Non greaseable and totally bulletproof.

Behind a stock KA haha. :lol:

https://www.powertrainindustries.com/ca ... sion+Yokes
JordanTr wrote:6 days

Top to bottom. KA510 rev 2, KA510 rev 1, Stock 510, R32 GTR

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'72 2 door KA project | S14 Silvia RB25DET | S14 RB26DETT (sold) | '90 Audi 90Q20V (sold)
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okayfine
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Re: U-joint recommendation

Post by okayfine »

The later Nissan stuff went to staked u-joints; my local driveline shop doesn't consider them replaceable. A custom driveshaft may be in your future. I'd stop by a recommended shop and see what they can do. $20 fixes will get you back on the road (Spicer are good parts and there's a 510 replacement), but not down the 1/4 mile.
Because when you spend a silly amount of money on a silly, trivial thing that will help you not one jot, you are demonstrating that you have a soul and a heart and that you are the sort of person who has no time for Which? magazine. – Jeremy Clarkson
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JordanTr
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Re: U-joint recommendation

Post by JordanTr »

http://shaftmasters.com/ is a real cheap alternative to the DSS.
'72 2 door KA project | S14 Silvia RB25DET | S14 RB26DETT (sold) | '90 Audi 90Q20V (sold)
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okayfine
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Re: U-joint recommendation

Post by okayfine »

Or what Jordan said. And keep in mind you'll want to start thinking about the half shafts, 'cause they're probably next.
Because when you spend a silly amount of money on a silly, trivial thing that will help you not one jot, you are demonstrating that you have a soul and a heart and that you are the sort of person who has no time for Which? magazine. – Jeremy Clarkson
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Rush
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Re: U-joint recommendation

Post by Rush »

Mell00, have you tried getting in touch with Driveline Specialists in Gnesen? I bet they can solve your problem.
http://www.drivelinespecialists.net/
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mell00510
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Re: U-joint recommendation

Post by mell00510 »

Thank you for the replies! I just got off the phone w/ local driveline shop, ordered up 3 spicer u-joints (p/n- spi-5-1501x). And yes Rush you know the spot!! :D Torey, Chad, and Ron are all great guys!!!
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datzenmike wrote:Too bad about the fire wall. What does the V8 weigh?
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mell00510
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Re: U-joint recommendation

Post by mell00510 »

And no more dragstrip!
datzenmike wrote:Too bad about the fire wall. What does the V8 weigh?
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Mattndew76
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Re: U-joint recommendation

Post by Mattndew76 »

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An Idea doesn't work unless you do.
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mell00510
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Re: U-joint recommendation

Post by mell00510 »

Matt! Stop it now :lol:
datzenmike wrote:Too bad about the fire wall. What does the V8 weigh?
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mell00510
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Re: U-joint recommendation

Post by mell00510 »

You know what size cover I bought.... Can I trade up?!?
datzenmike wrote:Too bad about the fire wall. What does the V8 weigh?
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Mattndew76
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Re: U-joint recommendation

Post by Mattndew76 »

Sell yours and buy the bigger cover.
An Idea doesn't work unless you do.
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