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S10 TIRE/WHEEL MASTER
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This chart is made from the experiences I have with the trucks I lowered and put tires on and that still look good not to much wheel well space. Also tire sizes are what I and customers thought looked best on the rims. Not all people might agree on this but most of those who I have helped will agree this chart is fine.

CHART IS FOR S10S/SONOMAS BLAZERS 2WD ONLY HERE

Well this is a chart that should work and help you guys out 6 7 drop and bags here we go. THIS CHART IS FOR THOSE WHO USED SPINDLES AND SPRINGS. THE SPINDLES MOVE THE FRONT TIRE OUT 1/2 INCH.

S10/SONOMA/PRE 97 BLAZER AND JIMMY 2WD
3 inch drop in front
stock s10 rims 15x7 245 60 15
15x7 4 BS 235 60 15, 245 60 15
16X8 4.5 BS 235 55 16 255 50 16
17x7 4 bs 245 50 17
17x8 4.5 BS 245 50 17, 255 50 17
18X8 4.5 BS 245 45 18, 255 45 18
19X8 4.5 BS 245 40 19
20x8 4.5 BS 245 40 20 <--biggest you can go on front with 20s and not rub unless you have bags then you can go lower and lift it
20x8 4.5 bs 245 35 20, 255 35 20 <----bend rims eaxy

4 INCH DROP IN BACK
stock 15x7 s10 rims 255 60 15 perfect
15x8 4.5 bs 255 60 15, 275 60 15, 295 50 15
15x10 5.5 bs 305 50 15
15x10 5.5 bs 295 50 15
18x8 4.5 bs 255 45 18
18x9.5 5.5 bs 275 40 18
18x10 5.5 bs 285 40 18
20X8 4.5 bs 245 40 20, 255 35 20 or 245 35 20
20x10 5.5 bs 275 30 20, 275 35 20, 285 30 20

4 INCH DROP IN FRONT
stock s10 rims 15x7 225 60 15
15x7 4 bs 225 60 15 215 60 15
16x8 4.5 bs 245 50 16
17x7 4 bs 225 45 17, 235 45 17
17x8 4.5 bs 235 45 17, 245 45 17
18x7 4 inch bs 225 45 18, 225 40 18
18x8 4.5 inch bs 245 40 18 <--bigger than this will rub

5 INCH DROP IN BACK
15x8 4.5 bs 295 50 15, 275 60 15
16x8 4.5 bs 245 50 16, 255 50 16, 265 50 16, 295 50 16
17x8 4.5 bs 245 45 17, 255 45 17, 255 50 17
17x9.5 5.5 bs 275 40 17 285 40 17
17x10 5.25 bs 285 40 17
18x8 4.5 bs 245 45 18, 245 40 18, 255 45 18
18x9 5.25 bs 265 35 18, 275 35 18, 285 35 18, 295 35 18
18x9.5 5.5 bs 275 35 18, 285 35 18, 295 35 18
18x10 5.5 bs 285 35 18, 295 35 18
19x8 4.5 bs 245 40 18, 255 40 18
19x10 5.5 bs 295 35 18 *you can go 5.75 if you want in bs*
20x8 4.5 bs 245 35 20 255 35 20
20x10 5.5 bs 275 30 20, 275 35 20, 285 30 20

5 INCH DROP IN FRONT
15x6 3.5 bs 205 60 15
15x7 4 bs 215 60 15
16x8 4.5 bs 225 50 16, 225 45 16
17x7 4 bs 225 45 17
17x8 4.5 bs 225 45 17 tire wil look stretched, 245 45 17 to big major rubbing
18x7 4 bs 225 40 18
18x8 4.5 bs 225 40 18 tire will looked stretched any bigger major rubbing

6 INCH THROUGH 7 INCH DROP IN BACK
15x8 4.5 bs 295 50 15, 265 50 15, 275 60 15
16x8 4.5 bs 255 50 16, 265 50 16
17x8 4.5 bs 255 50 17, 255 40 17, 255 45 17 245 45 17, 245 40 17
17x9 5.25 bs 275 40 17, 285 40 18
18x8 4.5 bs 245 45 18, 245 40 18, 255 45 18
18x9 5.25 bs 275 35 18, 265 35 18, 285 35 18, 295 35 18
18x9.5 5.5 bs 275 35 18, 285 35 18, 295 35 18
19x8 4.5 bs 245 40 18, 255 40 18
19x10 5.5 bs 295 35 19
20x8 4.5 bs 245 35 20 255 35 20
20x10 5.5 bs 275 30 20, 275 35 20, 285 30 20


THIS IS FOR THE FRONT BAGGED SET UPS IN 17, 18, 20
17x7 4 inch bs 205 40 17, 215 40 17 225 40 17, 215 45 17 and 225 45 17. the 225 45 17 will hit top of fenders when laid out.

18x7 4 inch bs 225 35 18<-bend rims easy but wil lay, 225 40 18 215 40 18

18x8 will rub bad and at full turn. but you are bagged so a 225 40 18 will work 235 40 18 will rub bad when laid out.

When you want to lay frame anything above a 25 inch tire you will have problems in the front on the fenderwells. You will lay hard on the fenderwells with anything over 25 inches.
20x8 4.5 bs 245 35 20 <--will be fine once lifted up but you will sit on the wells when bagged out

rear bagged
17x8 4.5 bs 245 40 17 235 40 17 245 45 17
17x9.5 5.5 bs 275 40 17 285 40 17
17x10 5.25 bs 285 40 17
18x8 4.5 bs 245 40 18 245 35 18
18x9 5.25bs 275 35 18, 265 35 18
18x9.5 5.5 bs 275 35 18, 285 35 18
TALLER THAN A 26.5 TALL TIRE WILL RUB THE TOP OF THE REAR FENDERS IN THE REAR IF YOU ARE RUNNING A 2.5 C NOTCH OR MORE.


IF YOU GUYS WANT ME TO ADD MORE SIZES ASK AWAY AND ILL CHANGE THE SPECS.

FOR THE FIRST GEN YOU HAVE TO RUN 18X7 IN FRONT 4 INCH BS 17X8 HIT TIE ROD ENDS. if you run 17x8 will hit the tie rod ends.if you do get 17s then go 17x7 not 8. ALSO IN REAR IVE DONE A FEW 17X8 WITH 255 45 17 OR 18X8 4.5 BS 255 45 18 NO PROBS THE 18X9.5 WITH 275 35 18 AND 5.5 BS WORKED GOOD

THE PRE 97 BLAZERS ARE ABOUT THE SAME AS THE 94 UP S10S BUT THE 98 UP TOTALLY DIFFERENT

On ours we have a 5.5/7 drop and with 255 40 19 rubs at full turn on 19x8 and 4.5 bs but its fine other than that. The rear i tested my 19x10 5.5 bs and 295 35 19 no probs

ok so here are some numbers for a 98 up blazer
stock 15x7 will work with a 235 70 15 with a 4 5 drop.
4 inch drop 98 up blazers
17x8 4.5 bs 255 50 17
16x8 4.5 bs 235 60 16
18x8 4.5 bs 245 45 18 255 45 18
19x8 4.5 bs 255 40 18
20x8 4.5 bs 255 35 20

rear with 5 inch drop
same as s10s from 17 inches and down
18x8 4.5 bs 245 45 18, 255 45 18, 275 40 18
19x8 4.5 bs 255 40 19
19x10 5.5 bs 295 35 19
20X8 4.5 BS 245 35 20
20X10 5.5 BS 285 30 20

98 up blazers 5 inch drop in front
17x8 4.5 bs 245 50 17 255 50 17
18x8 4.5 bs 245 45 18 255 45 18
19x8 4.5 bs 245 40 19 255 40 19
20x8 4.5 bs 245 35 20 255 35 20
NO 245 40 20 OR 255 40 20 WAY TO TALL WILL RUB TOP OF FENDERS

6 inch drop in back
17x8 4.5 bs 255 50 17
17X9 5.25 BS 275 40 17, 285 40 17
17X9 5.25 BS 275 40 17, 285 40 17
17X10 5.5 BS 285 40 17
18x8 4.5 BS 255 45 18
18X10 4.5 BS 285 40 18
19X8 4.5 BS 255 40 18
19X10 5.5 BS 295 35 18, 285 40 19, 295 40 19
20x8 4.5 bs 245 35 20 255 35 20
20X10 5.5 BS 275 35 20, 285 35 20, 275 30 20, 285 30 20
 

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Lazy Ass Member
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186 Posts
what would you suggest on a 98+ bagged... i was lookin at 18x8.5 in front and 20x8.5 in back... what tire sizes? and im also using djm spindles instead of the belltechs, i heard the djm spindles dont push out your wheel like the belltechs... help plz, thanks tony
 

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i wanna put 20's on my s10 (2000 X w/ belltech 2/3drop) and was wondering if i could just put the rims on with no problems with a 4.75 bs with 245/35/20 tires. I don't know too much about this so any helpful info would be appreciated. Thanx Brian.
 

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will 225/55/17 up front and 275/55/17 in back with a 3/4 drop look alright i have to go with 55 series tire just want the race look and all. Would that rub at all ?
 

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S10 TIRE/WHEEL MASTER
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Discussion Starter · #5 ·
chevy2000xtreme 20x8 4.75 bs 245 35 20 no prob

3/4 drop 225 55 17 in front fine rear id get 255 50 17 or 275 50 17 but 255 55 17 is really way to tall
 

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Dark Side Master
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1,114 Posts
How tall is the suggested 20" wheel/tire combo for front and rear?

Im going to be bagging my blazer soon and Im doing prework on the front and rear so I can lay and tuck 20s...prework meaning, front fenderwell removal, blowermotor housing sectioning, tubbing the firewall a tad, etc.

I wont be getting my 20"s for a while, so I will be running stocks. My stock rim/tire is about 25" tall. Not sure on the exact ***/** numbers, but I can get them if needed.

I was wondering the height of the 20" wheel/tire so I can get an idea of just how much I need to move things. I have a stock tire on my spare that is 28" tall. Wonder if I can let some air out of it till it sits as high as the 20" you suggest?
 

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S10 TIRE/WHEEL MASTER
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Discussion Starter · #7 ·
245 35 20 is 26.7
255 35 20 is 27

stock blazer tires are 28 inches tall
stock blazer x tires are 27 inches tall
 

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Dark Side Master
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1,114 Posts
I meant to say above that the stock rim is on a lo-pro tire, like 215/65 or something

but thanks though.

so, that is the height of the suggested 20" wheel/tire combo? which would be the better one the 255 or 245? Can I go smaller? just curious
 

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tony i might be able to pick up some 18x8's for the front of my truck. i have a first gen. what backspacing would i need to completley lay out and what size tire? im not worried about driving down that low. id bring it up to drive but i want to make sure the rim and tire will completley tuck when its laid out. thanks
 

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edit. also i have the chance to get 225/40 tires for them for 150 bucks. the height is 25.1 and the fenders are 24.5 if i cut into the fenders to allow them to come up more would i be good for the width of the tire? meaning can i completley tuck it inside the wheel well if i cut the fender to allow height clearance. thanks
 

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S10 TIRE/WHEEL MASTER
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3,455 Posts
Discussion Starter · #13 ·
18x8 in front wont lay on 225 40 18 i mean it will be right there but wont lay. id get 7s if possible. if you do get 8s will be close to tie rod ends. 4.5 bs willbe ok
 

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Fear My Stupidity
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dumb question: what exactly is backspacing? and how can it be adjusted?
 

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Teh S10Forum Hawk
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hey n20 noma... im gonna be bagging my 99X and i have 2'' drop spindles and im gonna keep the stock wheels on there for a lil longer... my stock tires are 235/55/16 and i assume 4.5'' backspacing? will have any problems?

thnx Kevin
 

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Bondo Sniffer
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hmm nm i cant seem to delete this
 

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I Need an S10
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what would you suggest for 18 x 7's all around.. with.. spindles and 1 inch springs up front and 4 inch drop in the back
scratch that and replace the size with 18 X 7.5's all the way around.
 

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one question i have is, can u lay out on 20s with the wheel wells cut out, with a run of the mill bag setup? or do you have to do anything special with the front suspension so it will lay frame? thanks in advance.
 
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