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G'Day all, I have some queries concerning the 9" diff.
1. which No.(eg.28, 31) spline axle is the most common and readily available,also taking into consideration, full spool availability. or are they much of a muchness?
2. does the No. of splines vary the cost significantly?
3. is there any signicant difference in strength between various splines?
Thanks in advance,Pete.
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From my understanding the 28 spline is more common than the 31 spline. The 28 spline is tough, but not as tough as the 31 spline. The 31 spline is more expensive but on an average street car it's a bit of over kill. The factory specials such as the HOs
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Rank: Member
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Pauls about summed it up. On most cars you don't need 31 spline axles. I launch off the line on a transbrake. My axles are still fine. A mate of mine launches his XA @ 6500rpm lifts the front wheels 12-15" off the ground. Still no problems with the 28 spl |
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