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10-25-2009
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#1 |
Join Date: May 2005
Location: Leesburg, VA
Posts: 2,704
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Alternative for spare tire
My spare is 18 years old now, and I've used it a couple times in the past few years. So I'm concerned about the age. I also suspect it won't clear the front brakes anymore.
To that end, I considered a GTO spare, but they are shorter overall than ours. I have heard the wheels fit up fine though. For 2008, the CTS went to a RWD bolt pattern, 5x4.75", like the 'vette. So I figured that would fit too. The wheel is an 18" aluminum wheel, but the overall tire height is the same as ours. Plus, the spokes flare way out, giving maximum brake room. I found a CTS spare kit new, tire not mounted, locally for $100 (they are $275+ from GM and backordered). So I jumped on it. It has a narrower hub apparently than the 'vette. So no dice so far. I'll see if I can make it work. It looks like it would easily clear the Baer brakes, though. Also, the wheel was surprisingly heavy for a 4" wide aluminum wheel. And it's made in China! |
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10-25-2009
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#2 |
  
Join Date: May 2007
Location: Peoria, AZ
Posts: 9,120
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Re: Alternative for spare tire
Any thought on getting our OEM spare hubs reskinned? Has anybody done that yet here? GC
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GOLDCYLON - 91 ZR-1 #2014 GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's) GOLDCYLON - 11 CTS-V Arizona State Director  91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat 90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat 11 RED/GREY CTS-V |
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10-26-2009
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#3 | |
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Join Date: May 2005
Location: Leesburg, VA
Posts: 2,704
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Re: Alternative for spare tire
Quote:
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10-26-2009
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#4 |
Join Date: Dec 2007
Location: Reston, Virginia
Posts: 930
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Re: Alternative for spare tire
What is the tire size?
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10-26-2009
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#5 | |
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Join Date: May 2005
Location: Leesburg, VA
Posts: 2,704
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Re: Alternative for spare tire
Quote:
A GTO spare, who's wheel does fit, is I believe T145/70-R17. But that's something like 3/4" shorter than stock. I would be concerned about the diff with a tire that much shorter if the rear had a flat. I've heard that can be bad for the limited slip. Though maybe it's not a problem. I also don't know if it would clear my brakes. They are also 4-5 years old now, though that's not nearly as bad as 18+. Last edited by Aurora40; 10-26-2009 at 11:33 AM. |
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10-26-2009
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#6 |
 
Join Date: May 2008
Location: USA
Posts: 1,093
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Re: Alternative for spare tire
Also, the wheel was surprisingly heavy for a 4" wide aluminum wheel. And it's made in China![/quote]
OMG, a cheap rim from China? I thought you didn't like cheap rims from China? I bet it falls off within 2 miles 
Last edited by xlr8nflorida; 10-26-2009 at 09:52 PM. |
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10-27-2009
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#7 |
Join Date: Dec 2004
Location: Jacksonville, FL USA
Posts: 4,609
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Re: Alternative for spare tire
I haven't given the spare much thought except for checking the PSI once a yr.
Bob, good point about our stuff being 20 yrs old, if you have a 90. To that end I have a couple of thoughts. Our spare is obviously not in direct sunlight, and is usually in the garage with the car, so there are no wild temp swings or UV light. Don't we need environmental factors to degrade the rubber?  Sorry, I am just curious as my spare looks fine after I clean the dust from it. I can't see any cracks, and I haven't seen any cracks the few times it has been on the car under actual load. It looks pretty funny on the rear though! Sorry for all the Q's! If the front tires fit in the carrier, why can't we use a front tire as a replacement for the spare?
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1990 ZR-1, Black/grey, #2233, stock. ZR-1 Net Reg Founding Member #316 & NCM member |
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10-27-2009
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#8 |
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Join Date: Dec 2007
Location: Reston, Virginia
Posts: 930
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Re: Alternative for spare tire
I have the same concern...my spare looks perfect but being 20 years old is an issue with me. Deterioration... UV is one cause but ozone in the air is another cause...so low mileage garage kept cars will make no diff...now place in a vacuum sealed bubble you be OK
Last edited by ZR1Vette; 10-27-2009 at 02:01 PM. |
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10-27-2009
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#9 | |
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Join Date: May 2008
Location: USA
Posts: 1,093
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Re: Alternative for spare tire
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The majority of Foose and Boyd Coddington are made in China. I bet it falls off within 2 miles [/quote]
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10-27-2009
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#10 | |
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Join Date: May 2008
Location: USA
Posts: 1,093
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Re: Alternative for spare tire
Quote:
The majority of Foose and Boyd Coddington wheels are made in China. I bet your spare falls off within 2 miles
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