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The Terminator
Driveline
10 spline vs.26 spline opinions
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<blockquote data-quote="EvilTwins" data-source="post: 8476977" data-attributes="member: 62345"><p>There have been enough cases for me not to bother messing around with it. The only way I recommend keeping the stock 10-spline is if you plan on keeping the stock clutch until it fails. If you upgrade the clutch and don't bother with the input shaft I think you're just being plain silly...</p><p></p><p>The stock 10-spline is weak because of the depth of the grooves for the limited amount of splines, cuts that deep severely weaken the shaft as it cuts down significantly on the diameter compared to the 26 spline. The teeth are also much longer which makes the leverage applied to them very high compared to that of the 26 spline. I'm not sure how the shafts are made but if the splines are machined rather than cast or forged, cuts like that on the 10-spline create significant surface stresses in the steel because it cuts into the grain structure of the metal.</p><p></p><p>If you keep the stock 10-spline and go with an aftermarket clutch you will certainly feel like an idiot if/when it breaks. Like it has been mentioned before, you will be stuck in a spot where you will have an expensive decision to make which would be replacing the shaft and the clutch again.</p><p></p><p>If you're hesitant on upgrading the shaft because of the work it takes to replace it, I really wouldn't be! The procedure is fairly simple and there is a GREAT walkthrough on this forum for how to replace it, with pictures!!</p></blockquote><p></p>
[QUOTE="EvilTwins, post: 8476977, member: 62345"] There have been enough cases for me not to bother messing around with it. The only way I recommend keeping the stock 10-spline is if you plan on keeping the stock clutch until it fails. If you upgrade the clutch and don't bother with the input shaft I think you're just being plain silly... The stock 10-spline is weak because of the depth of the grooves for the limited amount of splines, cuts that deep severely weaken the shaft as it cuts down significantly on the diameter compared to the 26 spline. The teeth are also much longer which makes the leverage applied to them very high compared to that of the 26 spline. I'm not sure how the shafts are made but if the splines are machined rather than cast or forged, cuts like that on the 10-spline create significant surface stresses in the steel because it cuts into the grain structure of the metal. If you keep the stock 10-spline and go with an aftermarket clutch you will certainly feel like an idiot if/when it breaks. Like it has been mentioned before, you will be stuck in a spot where you will have an expensive decision to make which would be replacing the shaft and the clutch again. If you're hesitant on upgrading the shaft because of the work it takes to replace it, I really wouldn't be! The procedure is fairly simple and there is a GREAT walkthrough on this forum for how to replace it, with pictures!! [/QUOTE]
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10 spline vs.26 spline opinions
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