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 Post subject: Re: Tires
PostPosted: Wed Oct 16, 2013 11:09 pm 
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2nd Banana
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Joined: Wed Dec 28, 2005 1:16 pm
Posts: 9369
Location: San Diego, CA.
Quote:
Check my build thread, I'm running 225/50 on a +34 offset, it's flush in the rear and sticks out a tad in the front.
Have you actually driven the car like that? I have a feeling it would rub. I had rubbing issues with 225/50's on a +40 offset that was 7" wide, but my car was also lowered a bit

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91 GSX - 511fwhp and 352 lb/ft 25psi 110 octane, 7.68 @ 95.9mph 1/8th 21psi 91 octane, 11.93 @ 112.9mph, 117.7mph best trap speed, 20psi 91 octane
98 Volvo S70 T5 - DD

http://www.facebook.com/captaintonus


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 Post subject: Re: Tires
PostPosted: Thu Oct 17, 2013 7:50 am 
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Some call me a god
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Joined: Mon May 18, 2009 8:53 pm
Posts: 1494
Location: Seattle, WA
I've rallyd the car around pretty good like that with no issues. By looking at it it seems like it would rub in the front, the rears clear by a nut hair so no issues there. I think the car has a bit of natural camber in the front when braking or cornering hard so it tends to clear, I've been expecting it to rub and if it does I'll roll the fenders a little bit. It has Mirage KYB struts and I'm not 100% sure on the springs. I'm also not sure how much the floating rotor conversion changes the foot print, that might have something to do with it. +34 would be the absolute lowest offset to go on 225s that's for sure. Also 225 can be different widths depending on brand and style of tire.

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89 Mirage Billet 20g 63t 12.4@120 417whp 400wtq @ English Racing.
89 Colt GT E316g
06 Silverado SS
07 ZX6R


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 Post subject: Re: Tires
PostPosted: Thu Oct 17, 2013 9:16 am 
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The Silent Administrator
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Joined: Wed Dec 24, 2003 3:32 pm
Posts: 9524
Location: Ottawa, ON, Canada
I've had tire rubbing on the inner frame rail areas under near lock steering.
Tires were 205/50-15 on a +42 offset rim. You don't want any rub on fenders or frame.


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 Post subject: Re: Tires
PostPosted: Thu Oct 17, 2013 3:52 pm 
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Some call me a god
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Joined: Mon May 18, 2009 8:53 pm
Posts: 1494
Location: Seattle, WA
So +38 seems like it could be the happy spot for 225s.

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89 Mirage Billet 20g 63t 12.4@120 417whp 400wtq @ English Racing.
89 Colt GT E316g
06 Silverado SS
07 ZX6R


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 Post subject: Re: Tires
PostPosted: Thu Oct 17, 2013 4:28 pm 
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2nd Banana
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Joined: Wed Dec 28, 2005 1:16 pm
Posts: 9369
Location: San Diego, CA.
Quote:
So +38 seems like it could be the happy spot for 225s.
+40 offset is the perfect offset for these cars, all around.

_________________
91 GSX - 511fwhp and 352 lb/ft 25psi 110 octane, 7.68 @ 95.9mph 1/8th 21psi 91 octane, 11.93 @ 112.9mph, 117.7mph best trap speed, 20psi 91 octane
98 Volvo S70 T5 - DD

http://www.facebook.com/captaintonus


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 Post subject: Re: Tires
PostPosted: Thu Oct 17, 2013 9:49 pm 
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CSM Junkie

Joined: Mon Dec 10, 2007 9:00 am
Posts: 448
Location: Indianapolis
would this mean that the 195/50/15 w/ 6.5" width and +40 offset would be the best choice. how about having different tire size in front 15's and 16's at the back any negative feedback on this. I see evo's on this kind of setup


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 Post subject: Re: Tires
PostPosted: Thu Oct 17, 2013 9:54 pm 
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The Silent Administrator
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Joined: Wed Dec 24, 2003 3:32 pm
Posts: 9524
Location: Ottawa, ON, Canada
Biggest rear axle/tire to fender clearance issue, is the lowering of the rear end via springs. This leaves the panhard rod shunting the axle over ever so slightly closer to one fender more than the other due to its arc of travel. You need an adjustable panhard rod. Heck, I need one and completely forgot about it!


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 Post subject: Re: Tires
PostPosted: Thu Oct 17, 2013 9:55 pm 
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2nd Banana
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Joined: Wed Dec 28, 2005 1:16 pm
Posts: 9369
Location: San Diego, CA.
Quote:
would this mean that the 195/50/15 w/ 6.5" width and +40 offset would be the best choice. how about having different tire size in front 15's and 16's at the back any negative feedback on this. I see evo's on this kind of setup
You wouldn't want to run different diameter rims like that. The car would understeer badly with 15's up front and 16's in the rear. It's popular in FWD cars to do smaller wheels in the rear, because this can promote oversteer. I don't know how EVO guys are doing this. Usually different rolling diameters on a AWD car will break drivetrain parts.

_________________
91 GSX - 511fwhp and 352 lb/ft 25psi 110 octane, 7.68 @ 95.9mph 1/8th 21psi 91 octane, 11.93 @ 112.9mph, 117.7mph best trap speed, 20psi 91 octane
98 Volvo S70 T5 - DD

http://www.facebook.com/captaintonus


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 Post subject: Re: Tires
PostPosted: Thu Oct 17, 2013 10:23 pm 
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CSM Junkie

Joined: Mon Dec 10, 2007 9:00 am
Posts: 448
Location: Indianapolis
thanks that clears it up. its a big NO.

back to my question. would the 195/50 15 be the best option for stock suspension? what about for those w/ lowering springs what tire size would be the best for 15's


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 Post subject: Re: Tires
PostPosted: Thu Oct 17, 2013 10:30 pm 
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2nd Banana
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Joined: Wed Dec 28, 2005 1:16 pm
Posts: 9369
Location: San Diego, CA.
Quote:
back to my question. would the 195/50 15 be the best option for stock suspension? what about for those w/ lowering springs what tire size would be the best for 15's
You can do 205/50's without any problems.

_________________
91 GSX - 511fwhp and 352 lb/ft 25psi 110 octane, 7.68 @ 95.9mph 1/8th 21psi 91 octane, 11.93 @ 112.9mph, 117.7mph best trap speed, 20psi 91 octane
98 Volvo S70 T5 - DD

http://www.facebook.com/captaintonus


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 Post subject: Re: Tires
PostPosted: Fri Oct 18, 2013 9:49 am 
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Some call me a god
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Joined: Mon May 18, 2009 8:53 pm
Posts: 1494
Location: Seattle, WA
Quote:
Quote:
So +38 seems like it could be the happy spot for 225s.
+40 offset is the perfect offset for these cars, all around.
:salute:

_________________
89 Mirage Billet 20g 63t 12.4@120 417whp 400wtq @ English Racing.
89 Colt GT E316g
06 Silverado SS
07 ZX6R


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 Post subject: Re: Tires
PostPosted: Sat Oct 26, 2013 8:17 pm 
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Member

Joined: Sun Jan 04, 2004 3:26 am
Posts: 79
Location: omaha NE
I have 2 sets of wheels. Both 17×7. One has 225/45/17 other is 235/40/17. Only had a tiny bit of rub full lock on frame.But after knknocking off the undercoat doesn't anymore.


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 Post subject: Re: Tires
PostPosted: Sun Oct 27, 2013 7:44 am 
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Some call me a god
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Joined: Mon May 18, 2009 8:53 pm
Posts: 1494
Location: Seattle, WA
^offset?

_________________
89 Mirage Billet 20g 63t 12.4@120 417whp 400wtq @ English Racing.
89 Colt GT E316g
06 Silverado SS
07 ZX6R


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 Post subject: Re: Tires
PostPosted: Wed Nov 06, 2013 2:12 pm 
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Moderator
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Joined: Wed Jan 04, 2006 1:21 pm
Posts: 2141
Location: Tucson Az
has anyone had any good/bad experiences with FALKEN FK-452 tires? they seem to have a good semi soft rating im looking for.. and I found a set for a very good price.. 68 bucks each... but need input if there good tires or not.

thanks much

Steve

_________________
Steve 89 colt 2.3 stroker stock top end. evo3@20 psi 13.489@99.30mph 3/10 2012
On drag radials.auto trans.launching @ 5 psi and no traction thru 2nd.


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 Post subject: Re: Tires
PostPosted: Wed Nov 06, 2013 2:38 pm 
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2nd Banana
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Joined: Wed Dec 28, 2005 1:16 pm
Posts: 9369
Location: San Diego, CA.
Quote:
has anyone had any good/bad experiences with FALKEN FK-452 tires? they seem to have a good semi soft rating im looking for.. and I found a set for a very good price.. 68 bucks each... but need input if there good tires or not.

thanks much

Steve
Honestly, I think they suck. I've driven cars with them before. You're going to have a pretty powerful vehicle when it's all done, you're going to need something more sticky, like at least under 300 treadwear. Tires aren't something worth cheaping out on, in my opinion. You don't have to spend a fortune, but I'd look for something a little bit nicer.

_________________
91 GSX - 511fwhp and 352 lb/ft 25psi 110 octane, 7.68 @ 95.9mph 1/8th 21psi 91 octane, 11.93 @ 112.9mph, 117.7mph best trap speed, 20psi 91 octane
98 Volvo S70 T5 - DD

http://www.facebook.com/captaintonus


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