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  1. #1
    17 PSI Boost pstocker's Avatar
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    18" 06 GT Wheels on my 85 SVO..Opinions?

    I was working on my exhaust on my 06 GT and had it up in the air next to my 85 SVO. Just for the heck of it, I though I would try my factory 18" 5-spokes on my SVO. I only mounted them on the passenger side. To my surprise, they actually fit well! I had read on various forums that the S197 wheel had much better offset than the SN95's or 99-04's. I have to admit, that is correct! These 18" wheels, with 235-50-18's fit the back, tucked just inside the fender lip and also cleared the quad shocks to my astonishment as well! I was even able to put the center caps on with no issues!

    As for the front, the wheel and tire fit, but with that size tire, it would likely rub the fender lip on hard cornering, so a slightly lower profile tire and also swapping to an SN95 front suspension would probably yield a better fit and allow the use of the center caps (longer studs as well).

    Here are some pics. I thing a lower profile tire would also work better in the rear, especially if the car is going to be lowered. What do you all think?

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  2. #2
    OVER-BOOST!! svono50's Avatar
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    Interesting how they do fit...kind of. I agree that the rears don't look too bad, but the fronts would bump a bit. Also remember to get the same diameter you would need to go with a different size tire, as the 235/50 is ~2.3" taller than the stock tire size (225/50R16). Looks like a 225/40R18 would be pretty close, but a 225 width on an 8" rim may look a little 'odd'. A 245/35R18 would get you a tire ~0.1" shorter and fit an 8" rim decently or a 235/40R18 would get you ~0.5" taller. Where there is a will there is a way, but it will take some experimentation to find the 'right' combo to get an 18" rim on an SVO. Personally I would stick with a 17x8" size with a 35-40mm offset, which will get you a good selection of tires and fit in pretty good, but that is just me.
    Ted
    86 SVO Mustang
    17 Cooper S Clubman ALL4

  3. #3
    17 PSI Boost pstocker's Avatar
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    Thanks for the reply. I did notice the car being a couple inches higher than with the factory wheels . One thing for sure I want to avoid is it looking like those cars that have way too big a wheel for the car, like a Chrysler 300 on 30" wheels, or as I would call it, 'the Hotwheels Effect". I think that looks just ridiculous, especially on an SVO.

    Maybe I will just stick with the SN95 98 GT 17" wheels I bought and use them.

    Thanks for your input. It is much appreciated.

  4. #4
    OVER-BOOST!! svono50's Avatar
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    You would be better off using the 17" SN95's as compared to the 18" S197's. If you could get a set of 17" S197's would be the best fit for using an OEM wheel. With that said, here are a couple of pics of mine with 96 Cobra wheels, which should have the same offset as your SN95 rims, with 245R45's. Rolled the rear lips and never had an issue, only rubbed when I had a load for a Reunion in the back and hit a big dip or transporting 3 other Reunion attendees to/from a meal.

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    If you are going to go 'big', might as well do it well...like this, eh??

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    This is a son of one of my neighbors down the street. He keeps it tucked in his Mom's garage, but seems to get a different 80's GM vehicle each year and seems to prefer the Monte's. Ughhhh!!
    Ted
    86 SVO Mustang
    17 Cooper S Clubman ALL4

  5. #5
    17 PSI Boost pstocker's Avatar
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    Yeah, to each his own I guess! Looks like a truck and makes any car with those huge wheels look like a Matchbox car! Talk about ghetto! This is all, of course, my own opinion! What ride quality can that have? You all but have to solidify the suspension to keep those tires from being chewed to pieces by the wheel arch! Ridiculous!

    I guess I will go with my 17" SN95's then! Thanks for the help!

  6. #6
    OVER-BOOST!! gbeaird's Avatar
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    Yeah, perhaps it's the design, and offset, but that wheel is starting to give the car that 'donks' look, to me. It's the first thing I thought of when I opened the first attachment. It's odd that a +2 wheel would do that, as it usually doesn't, but clearly does here. Just my opinion, though.
    Gene Beaird,
    86 2R SVO, G Stock,
    Pearland, Texas

  7. #7
    OVER-BOOST!! svono50's Avatar
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    The main issue with 18's on a Fox body car, is that you have to go with such a small sidewall on the tire to get it to fit, it does look a bit out of place. The SN95 body and especially the S197 bodies virtually make an 18" almost look small.

    Let's see some pics of your car with those 17's when you get them on!!
    Ted
    86 SVO Mustang
    17 Cooper S Clubman ALL4

  8. #8
    Pimpin Pumpkin Carver Laredo's Avatar
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    Quote Originally Posted by svono50 View Post
    The main issue with 18's on a Fox body car, is that you have to go with such a small sidewall on the tire to get it to fit,...
    Agreed, I think you could get them to look OK with the 30 or 35 siedwall and get the diameter close, but the cost of lower profile 18's are really up there in price...something else to consider. Is it really worth the increased $$?
    "If there's no plan, what can go wrong...?"

  9. #9
    18 PSI Boost escogt's Avatar
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    SVO's: 1986 9L BWD leather
    I have the 17" x 8" '97 Cobras on my SVO with 245/40's all around.

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    Last edited by escogt; 06-30-2014 at 07:51 PM.
    '85GT Bright Atlantic Blue (K7)
    '86SVO Oxford White (9L)
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