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Old 02-01-2010, 11:32 PM   #1
Kmart2352
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My 87 GMC

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Here is my 87 GMC, I plan on putting in a 4-6 lowering kit in, But i don't know if my 275/45/R20 tires work be to big to be able to turn in the front.

If anyone knows anything about that size or any comments that would be good.
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Old 02-01-2010, 11:39 PM   #2
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Re: My 87 GMC

Thats a clean looking ride! I like it a lot.
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Old 02-01-2010, 11:42 PM   #3
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Re: My 87 GMC

Sweet ride. What are other plans for it? Any motor pics? Nice truck. Oh ya welcome to the board bud
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Old 02-01-2010, 11:46 PM   #4
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Re: My 87 GMC

like the color of that truck looks great welcome aboard
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Old 02-01-2010, 11:52 PM   #5
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Re: My 87 GMC

I am putting a 4/6 lowering kit in the spring and putting a couple of racing seats in, with a subwoofer in the middle. The motor is a 350 TBI with a solid cam a K@N intake with a throttle body spacer. The exhaust is a cherry bomb extreme that come out in front of the tires.
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Old 02-02-2010, 12:13 AM   #6
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Re: My 87 GMC

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Here is a pic of the front
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Old 02-02-2010, 12:10 AM   #7
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Re: My 87 GMC

Hey sweet looking truck. I don't know to much about the whole lowering scene but I am thinking the tires are gonna be to big I don't know for sure though! Like the color of it too!
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Old 02-02-2010, 12:17 AM   #8
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Re: My 87 GMC

thats a slick looking front end man.
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Old 02-02-2010, 12:42 AM   #9
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Re: My 87 GMC

Looks great!
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Old 02-02-2010, 11:16 PM   #10
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Re: My 87 GMC

Thanks guys. I think it will look even beter after I put a lowering kit on, and some other little things.
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Old 02-03-2010, 10:48 AM   #11
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Re: My 87 GMC

Sharp looking truck. Yeah you always like them better after you spend some time working on them. That's what makes this hobby/obsession so fun! Keep us updated.

You may check out the suspension section. They may be able to answer some of your questions too.
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Old 02-03-2010, 12:46 PM   #12
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Re: My 87 GMC

Nice looking ride! Got any more pics of interior or engine?
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Old 02-03-2010, 01:06 PM   #13
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Re: My 87 GMC

looking good man but idk if you will be able to get away with that kind of drop and still be able to drive it without some issues?
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Old 02-03-2010, 11:22 PM   #14
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Re: My 87 GMC

I dont have any more pics on this comp (i lost them all on my other comp that crashed) and the truck is in storage so i wont be able to get any new pics till i go check on it or spring. When I get more i will post them.

And for the tire issues, would smaller tires be able to fit then? But i just bought 2 new tires for 300 so i hope they fit.
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Old 02-03-2010, 11:29 PM   #15
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Re: My 87 GMC

I found a couple of old pics of truck before i did the roll pan and a lot of other work. and the other is a picture of the rims.

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Old 02-03-2010, 11:42 PM   #16
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Re: My 87 GMC

that seems like a pretty tall tire. I think it may hit the inner fender on a decent bump with that much in the front. thats just my opinion.
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Old 02-03-2010, 11:46 PM   #17
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Re: My 87 GMC

Ya they are 275-45-R20, They are the same height as the stock tires.
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Old 02-04-2010, 01:16 AM   #18
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Re: My 87 GMC

I have the exact same wheels and that size of tires! I am going to lower mine 4.5" front and 5-6" in the rear. My truck is currently getting the engine and engine compartment spruced up. My truck is originally a similar color, but a long bed 3/4 ton getting converted to 1/2 ton.
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Old 02-04-2010, 10:17 PM   #19
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Re: My 87 GMC

sounds nice, that is going to look good.

But I hope those tires fit because I dont want to buy new ones.
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Old 02-04-2010, 11:58 PM   #20
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Re: My 87 GMC

whats the backspacing on those rims > 5.5 in backspacing may be ok , but real close. Also , how wide are the rims.
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Old 02-05-2010, 12:05 AM   #21
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Re: My 87 GMC

I am not sure what the back spacing is but they are 8.5" wide, but I am sure that the backspacing has to be close to 5.5.
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Old 02-05-2010, 12:33 AM   #22
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Re: My 87 GMC

ok you are going down 4 in with 20 in rims

mine are 17 in rims with 5.5 drop with 255- 50's > Ithink you will be barely ok with the width ,but the height may be the problem > give it a shot --what the hell ! rims really look nice < just change the tire size if need be to a 255 or 245
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Old 02-05-2010, 09:09 PM   #23
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Re: My 87 GMC

I guess i will just have to figure it out. I hope it fits, but Thanks for the help
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