I'm soon to be installing a new set of 6 tires and wish to also change the valve stems. The outer wheels being Alcoa aluminum have a specific valve stem, 60° bent, sourced in many places. My rear inner wheels appear to be an identical in appearance type of stem, same bend but the wheels are steel not aluminum. Anyone having done so on a similar vintage, do you happen to know will the Alcoa stems also work on the steel or is there a specific stem just for the steel?
Length and bend wise mine ar identical IN/OUT, the inners have a long extender which brings it out to the outer wheel through one of the holes through a round rubber support.
Thanks, Mike.
With each tire having a different wheel, wheel rotation is not normally done, so rear outer valves to not have to face IN. Many when changing valve stems change the rear outer wheel to a stem facing OUT to make checking air and TPMS mounting easier. The stem angle must also clear the large center hub cap when facing OUT.
When I did wheels the coop installed for free and simply swapped for my extra stems. So yes they are different, but i have no clue.
New extensions and rubber support block
Amazon.com: ALCOA 225392 Stabilizer Extension Kit for 22.5 Wheel Center Hole... (https://www.amazon.com/ALCOA-225392-Stabilizer-Extension-Center/dp/B07ZX9S1C5/ref=sr_1_4?crid=1PBUU7EGDIHW8&keywords=alcoa+valve+stem+extender&qid=1646750301&sprefix=Alcoa+valve+stem+%2Caps%2C149&sr=8-4)
Steel wheels take a different thread depth than aluminum wheels. 320"s have aluminum on the inners. The longer threads of an aluminum stem probably work on steel but short threads wouldn't work on aluminum.
The Alcoa wheels are not expensive. Why in the world did Foretravel skimp out on some models? Perhaps a $200 difference for the two rears. I bought a nice used Alcoa @ $60 for a spare. Might make it tough with a spare tire if the studs are not all the same length in all models.
Pierce
My inners already do face outward, and have an extension identical to the one Scott links.
My outers faces inward but my hands dont seem to have an issue installing the TPMS or using the dual head chuck for checking/airing, I dont see the issue same state unless maybe one has incredibly large hands.
Crane,
I think you hit the nail on the head, I hope. If that is the case then the lot of 10 I have coming for the Alcoa's will also work for the Steels to include my Spare and 3 for spare stems.
Pierce, hoping to find a decent one in that price range, most I have seen spares are steel. Just abouut all that are used come with a hefty shipping. I can get a new steel one shipped free for less than a used. But I do have to wonder if the rear studs will clear TWO aluminums. I do have about 1" sticking out now past the lugnuts, so maybe so.
Mike,
I see a bunch in the local FB Marketplace at different prices. One seller has them for $65 used, supposed to ship for $6.. Redirecting... (https://www.facebook.com/marketplace/103094023064529/search?query=alcoa%2022.5) You do have to make sure the type is correct, hub or stud piloted and the part number stamped on the wheel. The matte finish like the used one I bought will have a model number ending in a different number compared to the polished. Alcoa has an online catalogue to check in includes the valve type: https://www.alcoawheels.com/alcoawheels/australia/en/pdf/2017_Product_Spec_Guide_LR.pdf
Pierce
Pierce,
thank for the link to the tech sheet.. I wrote that rim number down earlier in the week, but been overly busy this week with an upcoming plant shutdown. Vacation all next week, hopefully ending in a regional roadtrip, find the time to research the last few parts of my tire/road self sufficency goal. New tires not here yet, but on their way. Yes been checking FBMplace, ebay and the like, find one eventually close by or just order a new one with free shipping.