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Old 01-14-2010, 12:02 AM   #1
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17x10s on dropped 92

we are looking at the 17x10 pony rims from latemodelresto.com to run on the rear of our 92 and 17x61/2 on the front. i have dropped it 1.5 with bbk springs and wondering what size rim i can stuff under the rear without problems. thinking about 285 rears and 235 front combo. we have stock 16s with 245 on all corners now. how much difference would the 17x10s be over the 17x9s or will the 10 inch combo look or work better?? thanks mark
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Old 01-14-2010, 08:29 AM   #2
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Re: 17x10s on dropped 92

The issue you are going to have is getting the correct back space to fit the rim in the rear fender correctly so it doesnt stick out when the tire is on it. You also may have to roll your rear fender if you stick it out past a certian mark. rolling a fender isnt that big of a deal but it CAN cause paint to crack so it has to be done right (heat gun, the CORRECT good fender lip roller, and MUCH TIME (cant rush it)).

My friend installed my 03 cobra rims (OEM 17x9 6.11 back spacing) on his Fox Body and the rear looked right on. So with that said you need to determine the front spacing, this is simple. Take the rim width then find the back spacing. Subtract the two and you have the front spacing.

9.0 - 6.11 = 2.89 inches

Thats about what the rear seems to like~ around 3 inches of front spacing. Thats my opinion of course~ you can let some of the fox guys verify that for sure. This is also based on the original 8.8 rear end spec that the car came with (newer 8.8s stick out farther in 94-04 models)

Now that all thats taken care of you need to know how DEEP you can go. A 9 inch in the rear works fine, I am pretty sure a 10 inch will be to wide.

For the front a 17x8 is the right fit, any wider is going to cause issues, a 9 wide WILL rub with the right offset (which on his car was also 2.89 front spaced 17x9)

my friend with the 03 cobra rims i was talking about. These are the best pics he has uploaded.


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Old 01-14-2010, 10:23 AM   #3
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Re: 17x10s on dropped 92

thanks spector here is the rim info not to sure what i'm reading to be honest but (10) inch rims offset is +24mm backspacing is 6.4 inches (9) inch rims +24mm
backspacing is 5.9 inches (8) inch rims +25mm backspacing is 5.5 inches. does this mean the 10 rims will stick out appox 1/2 inch further out and 1/2 to the inside more than the 9 inch rims? and the same for the 9 inch to 8 inch? and what then would be the best tire size to run on the rear if i go to 9 inch? i have a 3/8 spacer on the rear now with 245s they don't rub but are very close don't know if that helps with anyone and it is the oem rear end
thanks again and sorry for being misinformed
mark
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Old 01-14-2010, 02:29 PM   #4
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Re: 17x10s on dropped 92

These are 10X17 on my 1992. Since I was using the 94-95 axles, I had to scour the internet until I found some with 6.5" BS. These are replicas. Ford did make such a wheel but they are now out of production.
Jim
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Old 01-14-2010, 03:08 PM   #5
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Re: 17x10s on dropped 92

The sound of the rims you are quoting are for 94-04 mustangs. These are 4 lug wheels, your fox body only had 4 lugs (stock)

Quote:
Originally Posted by onequickR View Post
(10) inch rims offset is +24mm backspacing is 6.4
10.0 - 6.4 = 3.6 inches of the rim will stick outwards (Front Spacing)

Thats probably going to stick out quite a bit on a fox body if my old rims were any indication as my friend had 2.89 front spacing and his were nearly fender edge flush. You can probably push it to 3 inches but much more I would be concerned. Regardless in the end you will probably need to roll your rear fenders or at least make SURE it clears if the wheel was to go straight upwards so it doesnt hit anything.

Quote:
Originally Posted by onequickR View Post
(9) inch rims +24mm backspacing is 5.9 inches
9.0 - 5.9 = 3.1 Inches of rim sticking outwards (front spacing)

Quote:
Originally Posted by onequickR View Post
(8) inch rims +25mm backspacing is 5.5 inches.
8.0 - 5.5 = 2.5 inches of the rim stick outwards (front spacing)

Quote:
Originally Posted by onequickR View Post
Does this mean the 10 inch rims will stick out appox 1/2 inch further out and 1/2 to the inside more than the 9 inch rims?
100% correct, the 10 inch rim stick outs 3.6 inches the 9 inch stick out 3.1 inches. So .5 of the extra rim width is on the outside and the other .5 is on the inside.

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the same for the 9 inch to 8 inch?
The 9 inch you quoted is 3.1 vs the 2.5 for the 8 inch so once again basically the same concept .6 more outside (8vs9) and .4 more inside.

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Originally Posted by onequickR View Post
what then would be the best tire size to run on the rear if i go to 9 inch?
275/40/17 is the only size I would ever run on a 17x9. A 245 is far to narrow for a 9 wide, heck some say its to narrow for an 8 wide (and run 255s instead)

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have a 3/8 spacer on the rear now with 245s they don't rub but are very close with the oem read end
So going by all that if you know your current rim's information you can determine the fitment of the new rims going by what we talked about (how much more goes out and how much more goes inward)
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Old 01-14-2010, 03:17 PM   #6
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Re: 17x10s on dropped 92

In line with the original question, I have Weld 15X10 wheels to mount slicks. With 6.5 BS, is that enough for me to use them on my 2002 GT without the tires sticking outside the wheel well? I probably need more BS on the New Edge, right? They tuck nicely on the Fox. I know I could go out to the garage and bolt them on, but it's too darn cold!
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Old 01-14-2010, 04:13 PM   #7
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Re: 17x10s on dropped 92

again spector thanks "PONY" wheels are made to look just as the stock 16 inch rims that came on the car only they make 6.5,8,9,and 10" wide rims 4 or 5 lugs. my stocks are polished and the area inside the spokes are red like the car. we are wanting to go to 17s and all chrome, if i am correct the stock rims are 16x7.5. from what you say i will do 17x9s with a 275 not 285 and 17x6.5s with 235 up front. it should handle far better than the 15x3.5 combo we see on so many mustangs but yet give more of a drag look which the wife wants lol
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Old 01-15-2010, 11:14 AM   #8
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Re: 17x10s on dropped 92

Quote:
Originally Posted by jwyche View Post
In line with the original question, I have Weld 15X10 wheels to mount slicks. With 6.5 BS, is that enough for me to use them on my 2002 GT without the tires sticking outside the wheel well? I probably need more BS on the New Edge, right? They tuck nicely on the Fox. I know I could go out to the garage and bolt them on, but it's too darn cold!
For 99-04 (and probably 94-98) the amount of front spacing on the rim can be at most 4 inches ( to be fender flush and look right) any more than 3.5 and you may (notice may as all cars vary) have to roll the fenders if the car is lowered.

So on your 10 inch wide rim 6.5 back spacing means your at 3.5 front spacing, your good to go. Mine are 4.0 inches front spaced (6.0 back spacing 10 wide rim) for example.
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Old 01-15-2010, 11:16 AM   #9
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Re: 17x10s on dropped 92

Quote:
Originally Posted by onequickR View Post
again spector thanks "PONY" wheels are made to look just as the stock 16 inch rims that came on the car only they make 6.5,8,9,and 10" wide rims 4 or 5 lugs. my stocks are polished and the area inside the spokes are red like the car. we are wanting to go to 17s and all chrome, if i am correct the stock rims are 16x7.5. from what you say i will do 17x9s with a 275 not 285 and 17x6.5s with 235 up front. it should handle far better than the 15x3.5 combo we see on so many mustangs but yet give more of a drag look which the wife wants lol
Sounds good. I am not nearly as familiar with fox bodies optimal setup for spacing on wheels as 94-04 but with the calculations I gave you above you should have a good idea on what X wheel will fit like on your car.

For a 6.5 wide rim a 235 might be a bit to wide, stock V6s with 7.5in wide rims ran 235s for example.
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