lowering my truck

[gGMC DOG]

285/40 20 height 28.98 245 45 20 height 28.68 good choice

[mongoose]

a 285/40 would be a good choice.. but a 275/40 seems to be a cheaper/more available tire.. which if you're like me(likes to produce smoke).. is quite important.

[79gmcclassic]

Originally Posted by Pro Performance

I think a 4.5/6 will give you a nice stance, and it uses a 2.5" drop spindle. The 3" drop spindle is nice but the 2.5" drop spindle will help get the arms up a little higher. Doesn't sound like much, but it does help.

McGaughys 4.5/6 Kit

For wheels, the 20's will fill up the fender wells nicely, but it all comes down to personal preference and what you like. If going 20's, a good staggered setup is 8.5's / 10's, using a 285/40 in the rear and a 245/45 up front.

We also have a special on polished Streeter wheels, which bolt directly on these trucks and have the right backspace you need.

Showwheels Streeter in Polished

Travis

Travis, thank you man! you just told me everything i wanted/needed to know! and i think i might look into your wheels, since they look so nice in all. but the tire sizes you gave, will the sidewalls be the same height? because im not into the look with not enough tire in the rear and too much in the front..but it sounds about right! thank you so much man, exact info i needed!

[boatpuller]

Alot of us get bit by the lowering bug. I sure like your truck's stock look.I hate to see you change it.That's what make's it so unique.But,i understand.

[79gmcclassic]

Originally Posted by boatpuller

Alot of us get bit by the lowering bug. I sure like your truck's stock look.I hate to see you change it.That's what make's it so unique.But,i understand.

yeah i know, but stock..is just soo boring..it needs a mean look and attitude! 4.5/6 drop with 20s

[boatpuller]

Plus.........A man your age has gotta be thinkin about what the "chicks" dig...Have fun with it,that's the main thing.

[Pro Performance]

Originally Posted by 79gmcclassic

Travis, thank you man! you just told me everything i wanted/needed to know! and i think i might look into your wheels, since they look so nice in all. but the tire sizes you gave, will the sidewalls be the same height? because im not into the look with not enough tire in the rear and too much in the front..but it sounds about right! thank you so much man, exact info i needed!

No problem. The 285/40/20 is a nice size tire, I think. Not too large, but not a rubber band tire either, and is a good middle ground. Below is a picture... I know, a Challenger , but it gives you an idea of the tire sidewall height.

The tire sizes above are the same height, so the only difference is the back is wider for the 10" wheel. That will look nice with a 4.5/6 drop.

Originally Posted by boatpuller

Plus.........A man your age has gotta be thinkin about what the "chicks" dig...Have fun with it,that's the main thing.

Yep, having a good time with the truck and enjoying what you built is important.

[motornut]

Originally Posted by gmcmoose

This is my 1979 GMC Sierra Classic!!!!!!!!!!!

sweet,nice stance

[79gmcclassic]

looks mean, i cant wait to see what my truck will be like. but i just looked up tires and for the rear its 480bucks each!

[cory d]

yikes! i like 15x8 wheels with 255/70 or 275/60. cheap tires too lol

[mongoose]

Originally Posted by 79gmcclassic

looks mean, i cant wait to see what my truck will be like. but i just looked up tires and for the rear its 480bucks each!

go 10 mm's narrower.. goes down to 140ish a tire.

[Pro Performance]

The 285/40/20, if I remember right, is about $200 a tire, or maybe under. I will send you a PM with pricing on tires.

Travis
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