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12.5 on Alcoa with threat radius arms
Posted: Mon Feb 17, 2020 4:05 pm
by Codybrippin
I’ve got a stock width front end I’m putting together with a set of threat motor sports boxed radius arms . Also picked up a set of 35/12.5/15 km3s I’ve found a set of the 7.5 Alcoa wheels I know the width will work but anyone know if they will rub the arms ? Not that it matters but I’ve also got McNeil 3” glass all the way around
Re: 12.5 on Alcoa with threat radius arms
Posted: Tue Feb 18, 2020 12:36 pm
by ChaseTruck754
while I'm not sure where the boxed radius arms from threat mount I will say that 35's on the factory alcoas rub on most radius arms I've seen. Unless the mounts are moved well inboard from the stock mounting position.
12.5 on Alcoa with threat radius arms
Posted: Fri Feb 21, 2020 9:50 am
by hobbyturnedobsession
They will rub near full lock. It's the curse of big tires. You can add a stop to the steering to keep from it happening though.
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12.5 on Alcoa with threat radius arms
Posted: Tue Feb 25, 2020 12:40 pm
by Tchajagos
You can probably fill out the fiberglass a little better if you run a 15x10 wheel. Reason being is they have a bit more back spacing and space the tire out farther than the 15x8 or stock 15x7.5 alcoas. This will also help with rubbing the radius arm. To stop the tires from rubbing you can adjust the steering stops.