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C4 corvette 40 spline stub axles bolt in using factory 3 bolts complete assy

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C4 corvette 40 spline stub axles bolt in using factory 3 bolts complete assy

 
Old 05-14-2019, 01:41 AM
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Rob Burich
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Default C4 corvette 40 spline stub axles bolt in using factory 3 bolts complete assy




C4 CORVETTE 40 SPLINE STUB AXLES COMPLETE WITH HUBS AND BEARINGS. 40 SPLINE BILLET 1350 MOLY YOKES SIMPLE ASSEMBLY BOLT IN USING FACTORY 3 BOLT LOCATION WITHOUT MESSING WITH IRS. PERFECT FOR MANUAL STREET STRIP RACE CARS. AN OVERKILL FOR ANY C4 BUZZ ME IF INTERESTED HAPPY TO HELP ROB

Last edited by Rob Burich; 05-14-2019 at 11:54 AM.
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Old 05-14-2019, 09:20 AM
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C409
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….. You left out the most important detail … $$$ ??? …..
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Old 05-14-2019, 10:24 AM
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Rob Burich
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Originally Posted by C409 View Post
.. You left out the most important detail $$$ ??? ..

Hi guys. I havent really worked out fixed price as there was a fair bit of fabrication setup but was looking how much interest this would get as i've done my own C4 vette with this set up. And i could build the same to who ever needs the same. As a rough estimate
flanged moly 40spline axles 2
40 spline moly billet 1350 yokes 2
6 timken bearings
100mm (4") hubs inner knuckle 2
90mm outer hub 2
Bushes and shims 6 new bolts.
$1800usd

Last edited by Rob Burich; 05-14-2019 at 10:32 AM.
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Old 05-14-2019, 11:01 AM
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Looks like a nice unit at a fair price.
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Old 05-14-2019, 11:47 AM
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You'l only buy it once😊.
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Old 05-14-2019, 01:25 PM
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This is stock C4 Corvette 28 spline compared to C7 Corvette 33 spline.


So on your design the u-joint yoke has internal splines instead of external.
Are the yokes also fabricated?
How do you keep everything together? Bolt from the yoke side?

I would think that a 40 spline is overkill if still using 1350 u-joint, even if using the best ones.

Good work

Last edited by JoBy; 05-14-2019 at 01:31 PM. Reason: Addidtion
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Old 05-14-2019, 01:52 PM
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Very nice pieces, but are 40 splines really necessary?
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Old 05-14-2019, 08:34 PM
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Originally Posted by JoeNova View Post
Very nice pieces, but are 40 splines really necessary?
Well. The axles whether 35 or 40 were the same price. So to me it didnt make any difference. Just more security. . Also street driven cars put alot more stress on the axles. Bare in mind these turbo cars these days are nearing 1500hp + mine has a 632ci 1000hp in it. But for others with 500hp yes an overkill. Big kill😊

The billet yokes are 35 spline jegs yokes machined out to 40 spline
There are thick spacers in the rear inside hub to stop the axle sliding out. Also another bush that sits against the yoke pushes on the bearing as the yoke bolt is tighten.

Last edited by Rob Burich; 05-14-2019 at 08:54 PM.
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Old 05-15-2019, 09:29 AM
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RichS
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Which U-joint are you using? I have billet stubs from Summers brothers and steel 1/2 shafts from Denny's. I still go thru spicer solid u-joints every few races turning the needle bearings to dust.
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Old 05-15-2019, 10:10 AM
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Hey. Same 1350 solid spicers. check the torque settings on the u bolts. If u over torque the caps are pretty sensitive. Less is better. Also adding to that . The angle of the halfshafts. If they are not dead level it plays havoc on the joints. The more angular. The more stress. I fitted a 9" ford housing to mine but kept all d irs the same.. i ran a 50mm 2 metre long pipe thru end 2 end knuckle 2 knuckle thru the 9" housing so that when the rear was at ground lowered level. It was dead straight.. if theres any angle.. as the rear squats its loading up the uni's bigtime vitually trying to shorten the halfshaft.
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Old 05-15-2019, 10:31 AM
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Damn, that is nice work on that 9" setup.
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Old 05-15-2019, 10:57 AM
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thanks man. Just didnt wanna hav all the dana issues
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Old 05-15-2019, 11:09 AM
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I'm swapping to an 8.8 at some point and likely deleting the C-beam in favor of a full underbody crossmember. It seemed like a way easier option than a 9". Obviously not better, but easier.
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