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CV Joint operating angle
I have a set of chrome moly 6 ball & cage inner/outer joints and 300m axles etc built to handle over 600bhp at the wheels!! I have just checked the angle of the axles and they are around 6 degrees uppermost at the wheel,
I was sort of hoping the angle was less, anyone have any tips on cv joint angulation, the inner cv joint will hit the top suspension arm if I raise the diff so I am stuck with this angle! Maybe the only issue I will have will be a slight hp loss at high speeds? |
Hey AJ
I can remember when I was into VW's that some of the off road guys were running 930 CV joints at around 25 degrees. I would think 6 would be OK but someone correct me if I'm wrong. BTW, is that measured at ride height? Larry |
CV Joint operating angle.
Gooday Larry,
Measured at ride height, but I have made a mistake in the length between joint centres, the angle is actually a mere 4 degrees! I have read where some angle is better than none so the joint balls wear over a larger bearing area. |
Yeah, I'd say some angle is needed. Otherwise, it won't lube the internals.
4 degrees sounds like it would just fine. Larry |
CV angle
Larry, thats a good way of putting it. I have since read on the net where over 5 degrees can cause some vibration etc (at high speed) with some types of cv joint, so we are on the right side hopefully.
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Check with the Kirkhams, they've changed over from standard U- joints to C-Vs, I'm sure they did all the research for optimum settup
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I was told a few years ago by a custom driveline manufacturer that you can run up to 26 degrees on a CV joint. Anything past 15 degrees and they get pretty weak, but it can be done. You should run a minimum of 2 degrees for lubrication of the bearings to take place.
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set it up so under acceleration the shafts are straight as possible, cruising doesn't matter, some angle is probably better for lube. all imo.
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