Suspension/Wheels/Tires/Brakes

What offset?

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Old Sep 17, 2007 | 03:18 AM
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What offset?

I'm looking to put these on my FC:
http://www.vividracing.com/catalog/p...ducts_id/22764

What offset for the front and back would I need without having to use over fenders?
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Old Sep 17, 2007 | 06:46 AM
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None of them are really great offsets for the front. I would run the 18x8.5+30 all around , with a 235/35R18 up front. Thats kind of an oddball size but there are a few good tires made in it. 235/40r18 would work but its a bit taller and would make rubbing issues a bit worse. Roll the front fenders and run a conservative ride height. For the rear tires Id go 255/35 or 40R18

Last edited by Rxmfn7; Sep 17, 2007 at 07:04 AM.
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Old Sep 18, 2007 | 02:56 PM
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I did some more research and found that the te37 limited edition comes in a few other sizes:

17x9.5 +12, 35, or 40mm
18x8.5 +22, 30, or 40mm

Which would be the safer route?

Last edited by MonkeyMagic; Sep 18, 2007 at 03:02 PM.
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Old Sep 18, 2007 | 08:19 PM
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The 17x9.5 + 35 would be really nice for the rear, but no way you are fitting it up front. I stick to my last post for best sizes with those given offsets. Its still going to be tight up front against the fender and will require rolling.
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Old Sep 19, 2007 | 12:28 AM
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Originally Posted by MonkeyMagic
I did some more research and found that the te37 limited edition comes in a few other sizes:

17x9.5 +12, 35, or 40mm
18x8.5 +22, 30, or 40mm

Which would be the safer route?
Depends on tire size?

18" x 8.5", +22 would be safest out of all the options, especially if you go with a 225 wide tire.

17" x 9.5", +12 will also clear up front, but the wide width would normally call for a 255+ wide tire, which will not fit up front under stock fenders.

If you run hippari stretch, those above two will fit up front no problem.

If you run aftermarket coilovers with additional clearance inside, 18" x 8.5", +30 will fit up front also.


-Ted
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Old Sep 19, 2007 | 08:28 AM
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17x9.5 +12 with a 235 up front and a 255 out back would be a nice fit with rolled-lip-rear-fenders and a set of 20mm wider front fenders. tires in that size are a lot less money than same widths in 18" if that matters at all.
you could run a 9.5 +35 out back with a 275 tire if you want to put that much rubber on the road.
you might be able to fit a 255 up front with certain suspension choices and settings and widebody fender choice/setup/lip-removal.
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Old Sep 19, 2007 | 11:48 AM
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Awesome. Thanks a lot everyone. I will probably get 20mm front fenders and roll the rear quarters. That would be my best bet.
With that, 17x9.5 +12mm with 255 tire in front and +35mm 275 in the rear. That sounds like it should work, right?
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Old Sep 19, 2007 | 06:39 PM
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You guys really think a 18x8.5 +22 offset will fit up front with a 235?? I know its been a while since Ive played with an FC, but I had run a 17x8 +32 up front with a 235 and it was damn close to my fender. Why not just play it a bit safer and run the +30, it should clear the strut/spring and give a bit more fender clearance.
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Old Sep 19, 2007 | 11:04 PM
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Originally Posted by Rxmfn7
You guys really think a 18x8.5 +22 offset will fit up front with a 235?? I know its been a while since Ive played with an FC, but I had run a 17x8 +32 up front with a 235 and it was damn close to my fender. Why not just play it a bit safer and run the +30, it should clear the strut/spring and give a bit more fender clearance.
It should work, but I dunno anything wider than a 225.

What you're saying doesn't make any sense...
If a 8.0", +32 is "damn close" to your fender, a 8.0", +30 would put the wheel +2mm closer to the fender lip!
I've run a 8.0", +30 with a 235 / 45 / 17 with no clearance issues except for the tire hitting the insides on extreme steering lock.


-Ted
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Old Sep 20, 2007 | 07:22 PM
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I was referring to the statement you made :

"18" x 8.5", +22 would be safest out of all the options, especially if you go with a 225 wide tire.

17" x 9.5", +12 will also clear up front"

In which I had posted under my own experience that a 8" wheel with a 32mm offset was very close , yet you recommended the +22 as the safest, which would put it 10mm further out. Then you say that the 9.5" wheel with an additional 10mm neg offset will clear?? Thats usually a 30mm wide fender fitment.


Originally Posted by RETed
It should work, but I dunno anything wider than a 225.

What you're saying doesn't make any sense...
If a 8.0", +32 is "damn close" to your fender, a 8.0", +30 would put the wheel +2mm closer to the fender lip!
I've run a 8.0", +30 with a 235 / 45 / 17 with no clearance issues except for the tire hitting the insides on extreme steering lock.


-Ted
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Old Sep 20, 2007 | 10:06 PM
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Originally Posted by Rxmfn7
I was referring to the statement you made :

"18" x 8.5", +22 would be safest out of all the options, especially if you go with a 225 wide tire.

17" x 9.5", +12 will also clear up front"

In which I had posted under my own experience that a 8" wheel with a 32mm offset was very close , yet you recommended the +22 as the safest, which would put it 10mm further out. Then you say that the 9.5" wheel with an additional 10mm neg offset will clear?? Thats usually a 30mm wide fender fitment.
Oh, you're talking about the 8.5", +30 option?

Half in more rim width, which would protrude 1/4" more inside versus an 8.0", +30 wheel...
That gets unbearably close to the shock for me.

When I measured my 8.0", +30 with the 235 wide tire, there was just about 6mm of clearance from the sidewall to the shock housing.
Granted, with the narrower 225 wide tire, you should gain some clearance back...

Yeah, you're right...it should work.
I guess I just wanted to be safe with the other option, as it gives you a little more clearance.
To mean it's easier to "roll the fender" (or get overfenders) than to worry about hitting the shock body inside.


-Ted
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