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So I am trying to rebuild an old early model Competition Edition and as I am going through some of the old nylon parts I am finding what looks like little tears where pins and screws have been. Was wondering if this is a common thing with these parts being old or if they were just thinly molded. I don’t want to pay extra for original parts and might as well save money on some of the cheaper reproduction parts that are being made if this happens to new parts fairly quickly.

That's normal and ok. The nylon in the rear arm mount is very thin where the hinge pin hole and the dogbone clearance cove meet. Some people trim that to fully expose the pin and make it look neater, some leave it just like that.

However for part integrity you should rehydrate your nylon parts if its going to be a runner. Dried out parts fail easier. Rehydrated parts typically regain some flexibility.

Interesting! I wondered if that were the case as I have seen it on others rebuilds. I am OCD and it bothers me lol

Frankentruck wrote: ↑Thu Jan 11, 2024 10:22 am That's normal and ok. The nylon in the rear arm mount is very thin where the hinge pin hole and the dogbone clearance cove meet. Some people trim that to fully expose the pin and make it look neater, some leave it just like that.

However for part integrity you should rehydrate your nylon parts if its going to be a runner. Dried out parts fail easier. Rehydrated parts typically regain some flexibility.

Did the aftermarket stuff like Andys do that as well?

isaidme wrote: ↑Thu Jan 11, 2024 10:33 am
Did the aftermarket stuff like Andys do that as well?

The aftermarket parts were made thicker and typically didn't have this happen. Ideally this should never happen. The pins are meant to be rigidly fixed to the mount. The wear point is supposed to be the arms. So the arms should ride free on the pin and be fixed in the mount.

JosephS wrote: ↑Thu Jan 11, 2024 11:00 am

isaidme wrote: ↑Thu Jan 11, 2024 10:33 am
Did the aftermarket stuff like Andys do that as well?

The aftermarket parts were made thicker and typically didn't have this happen. Ideally this should never happen. The pins are meant to be rigidly fixed to the mount. The wear point is supposed to be the arms. So the arms should ride free on the pin and be fixed in the mount.

Yeah this will never do for me and is going to change the direction of my build! Not going to fork out $30+ for a set of original mounts on Ebay. I have already spent more than I wanted to replacing parts.

FanRC parts are great stand ins for original parts, and half the price on those rear arm mounts. Just depends on what your build will be. For a shelf car id go original but for a runner, brand new parts for less money is the way to go.

https://teamknkhardware.com/product-category/fan-rc/

in stock at Team KNK

GoMachV wrote: ↑Thu Jan 11, 2024 11:14 am FanRC parts are great stand ins for original parts, and half the price on those rear arm mounts. Just depends on what your build will be. For a shelf car id go original but for a runner, brand new parts for less money is the way to go.

https://teamknkhardware.com/product-category/fan-rc/

in stock at Team KNK

Thats what I am thinking now. It's not going to be a runner necessarily but not a shelf queen either. Just occasional trip in time