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73-87 Chevy _ GMC Trucks => Wheels & Tires => Topic started by: JBlanks on October 27, 2017, 10:35:25 pm

Title: 20x12
Post by: JBlanks on October 27, 2017, 10:35:25 pm
I wanna put 20x12 in the rear of my 85 step side chevy,  so will the fit with out doing a bunch of stuff or will I have to do alot to it to make them fit?
Title: Re: 20x12
Post by: roundhouse on October 30, 2017, 05:33:40 pm
I assume you're talking about the rim size ?

That would depend a lot on what size tire you use
And what backspace and offset the rims have

And only one way to find out ....
Title: Re: 20x12
Post by: JBlanks on November 01, 2017, 11:41:42 pm
Yes sir rim size is what I'm talking about and I'm thinking of running a 315x35x20. And as far as back spacing that's kinda what I was hoping to do was find an answer.
Title: Re: 20x12
Post by: roundhouse on November 02, 2017, 02:36:40 pm
Best way is find some tricks you like the wheels on and find out the specs of the rims and suspension mods

I assume your truck is lowered ?

Title: Re: 20x12
Post by: JBlanks on November 02, 2017, 08:59:52 pm
Ok will do, it's lowered, I know it's had the helper leaf removed and 2 inch shackles and the previous owner heated the front coils, so I gotta get some springs and spindles to be able to get it lined up correctly.
Title: 20x12
Post by: roundhouse on November 03, 2017, 09:13:58 am
Ok will do, it's lowered, I know it's had the helper leaf removed and 2 inch shackles and the previous owner heated the front coils, so I gotta get some springs and spindles to be able to get it lined up correctly.
I've seen a few at shows
And if you could find some online you might be able to contact the builder or owner and get details

Cheaper and faster than buying a bunch of Rims and tires and trying to figure out what fits and what hits

Might be able to go to a local shop that sells that style rims and tires
and pay em for their labor to mount up a few and test fit em

In some sketchy neighborhoods that are places that RENT rims and tires
   Might be a good place  to find out what fits 
Title: Re: 20x12
Post by: JBlanks on November 04, 2017, 10:34:16 pm
Never thought about that lol