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Old 12-09-2017, 09:02 AM
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ironman ironman is offline
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I am assuming you are still using the original rear coupler that goes on the transmission input shaft, correct? So if that is the case, then it has the centering bearing. So as long as that centering bearing is not shot or worn out, it should center your driveshaft with the center of your transmission input shaft regardless of whether there is a ball in there or not.

With that being said, I personally would NOT replace the rubber flex coupler with metal spacers because there is no way on God's Green Earth that you can tell if there is a direct straight line all the way through the crankshaft and through the transmission input shaft. Making it solid is an invitation for disaster unless it was originally engineered that way such as the older Cubs.

However if it were me, I WOULD use TWO rubber flex couplers instead of one. Just make sure the end of your driveshaft is getting into the the centering bearing in the rear coupler. Just my
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