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Chevrolet Corvette Tires and Wheels

58 messages,  Last post on Dec 04, 2009 at 7:45 AM

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What is this discussion about? Chevrolet Corvette, Coupe, Convertible


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#25 of 58
Re: gas mileage [richbf2] by 2infiniti
Feb 27, 2007 (12:01 pm)
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Replying to: richbf2 (Feb 22, 2007 8:20 pm)

At 75 MPH I am turning just over 1400 RPM in 6th gear and getting about 34 MPG. In town I average just over 20 (provided Ikeep my foot out of it which isnt easy) and on the highway just about 31. And this is actual not what the mileage computer says. however the mileage computer on the Corvette is the best of any of 4 other vehicles I own. That said, I didnt buy it for mileage. try an k& N air filter, it upped my mileage about 2 on the C-5, about 4 on my Infiniti I-35 and nothing on my Durango Hemi.
#26 of 58
Re: gas mileage [2infiniti] by starrow68
Feb 28, 2007 (8:53 am)
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Replying to: 2infiniti (Feb 27, 2007 12:01 pm)

My C5 Z51 6sp is doing just 68/69 at 1500 rpms and if I keep it below that close to the speed limit it gets over 30mpg, about 31.5. But it takes long trips at that steady state to over come any romps on the gas or road side stops and getting back up to speed. It is an amazing touring car as I've now driven with my wife back from picking up two Vettes in Laurel, MT (01 and 04) doing an easy 1400 miles in three or four days. Great way to break in a new car.
Randy
#27 of 58
Tires and Fuel Economy on C-5s by 2infiniti
Mar 19, 2007 (11:27 am)
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OK: I have decided to go with Run-flats. I was going to go with Michelin Pilot Sport AS/ZP but some have said their gas mileage dropped dramatically. Has anyone out there had any experience with the Michelins on a C-5 vs OEM Goodyears?
 
thanks
#28 of 58
Re: Tires and Fuel Economy on C-5s [2infiniti] by starrow68
Mar 20, 2007 (5:18 pm)
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Replying to: 2infiniti (Mar 19, 2007 11:27 am)

The only difference to make to the mpg is with the right
foot. I have Michelin run-flats on my C5, when I take off
the track tires and I get the same mileage as my OEM GYs. As
a matter of fact, my Michelins are quieter than the OEM GYs
on the wifes C5, look better and I like the grip better. Running
my Z06 size wheels with 275/295s really spoils me
for going back to stock C5 size tires. That is unless you
want to drift some and enjoy the oversteer .
Randy
#29 of 58
Re: Tires and Fuel Economy on C-5s [starrow68] by 2infiniti
May 08, 2007 (1:21 pm)
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Replying to: starrow68 (Mar 20, 2007 5:18 pm)

I bought the Michelin AS Pilot sport. Discount Tire even beat Costco on price. They are much better than the original Eagles. No gas mileage difference between the Michelins and the Good Years. They are much quieter, rides smoother and hooks-up as opposed as going sideways when you stand on it with the traction control off. These are so much nicer that they were worth the cost even if they wear no better than the Eagles.
#30 of 58
Re: C5 Repalcement Tires [vettever] by jiminthehills
May 09, 2007 (5:24 pm)
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Replying to: vettever (Feb 13, 2007 4:52 am)

If you don't mind, where and how much did you spend to get the Kumho's in the sizes that fit a C5 Z06? I can't find any more selection than OEM Goodyear's, Michelin's, or Firestone's.
 
Mine is a 2004 and I believe the sizes are P265/40ZR17 front and P295/35ZR18 rear (both non-run flats).....
#31 of 58
Re: C5 Repalcement Tires [jiminthehills] by starrow68
May 11, 2007 (7:45 pm)
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Replying to: jiminthehills (May 09, 2007 5:24 pm)

The Kumho MX tires I run are 275/17 fronts and 295/18 rears
they don't have a 265/17. I price them at Tire Rack and
then go to America's Tire/Discount Tire store locally and
they match the price. Since it used to be about $10 per
tire to ship from Tire Rack, they add that to the price and
then charge for installation. Very good deal.
 
Those are on 9.5 front and 10.5 rear wheels. I'm also aware
of guys that run 295 tires on stock 9.5/18 wheels.
Randy
#32 of 58
Re: C5 Repalcement Tires [starrow68] by jiminthehills
May 12, 2007 (12:57 pm)
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Replying to: starrow68 (May 11, 2007 7:45 pm)

I just visited the Kumho site and, yea, I can't find a 265/17 either.
 
Sounds like you have the stock-size Z06 C5 wheels. Do you notice any problems running the 275's on the front around town (I know you like these on the track...)?
 
Any drawbacks you would like to comment?
#33 of 58
Re: C5 Repalcement Tires [jiminthehills] by starrow68
May 12, 2007 (5:51 pm)
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Replying to: jiminthehills (May 12, 2007 12:57 pm)

I have no issues with the non-run-flat Kumho's for daily
driving. Matter of fact my run-flat Michelin's have been
in the garage for over 6 months, sitting. After running a
wider tire you get spoiled with the grip, I've even had the
Active Handling come on in the wife's C5 coupe on stock
tires a couple times, expecting more grip than the stock
size tire provides. Running the Z06 wheels on a coupe is
also very nice.
Randy
#34 of 58
Re: C5 Repalcement Tires [starrow68] by jiminthehills
May 16, 2007 (8:16 am)
Reply

Replying to: starrow68 (May 12, 2007 5:51 pm)

Nice analysis and comments. My fear is that the 275's will rub somewhere they are not supposed to, thus increasing their wear...no issues with this? How about reduced turning radius?

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