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> Flipping synchro rings, getting ready to order parts
Marlow
post Aug 15 2010, 05:02 PM
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Getting ready to place an order for parts for my transmission rebuild and was looking for opinions on which of my synchro rings are good enough to flip.

In the picture the order they came out of the transmission is 1st, 2nd/3rd, 4th/5th.

It's obvious that 1st is done. 3rd looks to me like I could reuse it, very little wear. What about 2 and 4/5?

The coating on 2 is a little rounded at the peak. On 4/5 the moly coating is worn just past the half point of the peak.

Would these be considered good enough to flip or should I replace them?


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pcar916
post Aug 16 2010, 10:56 AM
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Here are a few pix that will show you the wear I'm talking about. If the spider is worn, the slider will be as well on the corresponding contact surfaces.

Here is the unloaded (downshift) side of a spider "foot". It looks nearly new

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Here is the very worn side of a spider "foot"

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Here is the corresponding wear on the slider that mated to the above.

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Hope you never see this. Obviously there is wear in-between these two extremes.

This worn pair manifested itself as a "bump" when shifting into that gear before the dog teeth engaged... almost like it was in gear already. But you could push the shifter farther and it would go into gear normally.

Good luck

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