22" Wheel/Tire Questions...I'm new!

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Poop du Jour

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Scott
Truck Year
1978
Truck Model
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350 CID
Good day y'all,

Just picked up my first square body! It's a 1978 GMC C15 (Is that the GMC designation?) Royal Sierra. It features a bunch of things including a mild drop (2.5" spindles I think, removed two leaves out back), some retro 15x8/15x10s wrapped in budget fatties, and a crappy-but-usable stereo and gauges. I think it has a wheezy 350 and even wheezier TH350 with an open 12 bolt diff.

I intend to use this truck as a work truck for hauling **** to the dump, doing yard work, helping friends out and whatever else requires a good trucking. It'll also be my rolling project!! Yay! Eventually it'll be on air with a carbed LS, until then it gets nothing but the most budget/hacked ****.

To that end I found a set of GM transport wheels (22x9", 6" BS) that I have taken a healthy shine to but the tires available are 285/40r22 which are somewhere around 2" wider and taller than stock (235/75r15 29" OD) and I have no idea if they'll fit and I can't test fit beforehand. Also required are 2" spacer/adapters to go from 5x5 to 6x5.5. Does anybody know if that size will fit or have any direction to point a new guy in? Thanks!
 

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Rusty Nail

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He's new!

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Cool truck. I'm no help except to say I like it as-is.
Post a 'pick' of said "transport" wheels, new guy.
Welcome.
 

Poop du Jour

Junior Member
Joined
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Location
AB
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Scott
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1978
Truck Model
C15
Engine Size
350 CID
Lol! Love it!

Here's a transport wheel on someone's box, unsure of how low that one is... and I'm almost sure it has smaller tires than I'm looking at.
 

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