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Why are there two part numbers for the outer hinge pin for the rear arms? Part # 7357 or 6381.

do they make unobtanium pins? maybe one is standard, one is unobtanium?

isn't one for a buggy (6xxx) and the other for a truck (7xxx)? they are different.

One pin might be for the older rear A-arm, then I think with the world's type a -arm the pin was longer( might be the same for truck ) due to more material added on the arm

http://www.teamassociated.com/pdf/cars_and_trucks/RC10T/Team/10t_old.pdf

See page 2

Also two part numbers for the inner pin.

it's an early/late deal. the arm number is different too. early arms used buggy pins........ that's what i get from it.

marlo wrote:Also two part numbers for the inner pin.

Look closer, the other number is for the e-clip.

or it could be nothing more than a "these will also work". just be a little long.

For $2.79, I'll order each part number.

sounds like something I would at least you know you'll get the right one.

The original arms used a shorter pin, and the wheelbase was not adjustable. The later flat arms have a spacer that allows the hub to be moved fore or aft to change wheelbase and thus a longer pin. This is going off the top of my head

gomachv wrote:The later flat arms have a spacer that allows the hub to be moved fore or aft to change wheelbase and thus a longer pin.

ya, that's the buggy pin (6xxx - i mixed them up above). the early truck arms used the shorter pin (7xxx), same as the rpm worlds/dynotech klein arms.

gomachv wrote:The original arms used a shorter pin, and the wheelbase was not adjustable. The later flat arms have a spacer that allows the hub to be moved fore or aft to change wheelbase and thus a longer pin. This is going off the top of my head

Trucks always had adjustable wheelbase, I'm pretty sure your talking buggy...but just to avoid confusion

esaresky75 wrote:

marlo wrote:Also two part numbers for the inner pin.

Look closer, the other number is for the e-clip.

I think my eye sight is going, I had to squint to see it, the arrow pointing to the e-clip became one with the clip