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Topic: tire pressure

in Forum: C3 Handling Components


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tire pressure (10/20)
 4/4/11 3:20pm
KDADDY79
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Dutchess County, NY - USA

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White '79 Corvette. It's a driver.


Joined: 8/27/2007
Posts: 2484

I just checked mine the other day and set all four at 28. I think it rides and handles pretty good for a 31 year old car.

Kevin

tire pressure (11/20)
 4/4/11 7:44pm
ranger3Lifetime Member
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North Charleston, SC - USA

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1975 L48 AT AC T-top


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I run mine at 22psi and have never had any problems. 

Scott
tire pressure (12/20)
 4/4/11 10:30pm
kwoody
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Tucson, AZ - USA

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1982 Black/Tan Leather Build Code C09E Bronze TTop CrossFire Fuel Injection L83 85 Fuel Pump Auto Axle 2.72 Firestone Firehawk Indy500


Joined: 7/11/2010
Posts: 415

Hi Paul,
Here is a link to a previous banging around on the subject from last September.  http://209.200.117.236/forum/topic80769.html
My baby is a 82 and has a higher pressure listed on the door label than most of the earlier years.
I experimented with my new Indy 500s and came up with 34 psi for my combination of ride, handling and looks (20 they look flat).  So, have fun!

Keith


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K Woody
tire pressure (13/20)
 4/4/11 10:44pm
Adams' AppleLifetime Member
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Duncanville, TX - USA

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#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas


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The Firestone tire deal wasn't just because of the recommended pressures..it was more of a piece of crap tire than anything(imho). Firestone 500 tires were recalled in '73-'74 because they were exploding...and they've been exploding ever since. One of those tires on my '74(ds front) exploded when the car was still NEW, taking part of the fender with it. The recall replacement tires(NOT the 500) were fine...my car still had those on it when I bought it, and I still use them when doing the NCRS thing, and I get full credit for them.

Funny thing is, the Goodyear tires on the '73-'74 cars weren't having any troubles running 20 psi. Go figure...


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Joel Adams
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tire pressure (14/20)
 4/4/11 10:46pm
dskopp
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Oak Creek, WI - USA

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1981 Great White Shark. Red Interior, 350/190hp. PS, PB (SS), A/C CC, T-Tops, Going to remain as Stock as possible. Served three years in Active Duty Army, then Retired Air Force after 34 years! Badger State Vetts Car Club. 175,000 Original miles!!


Joined: 5/21/2008
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I have 255-60R-15's on my 81.  Run with 32 lbs.  Firm Ride!!
Dan
I have always followed the tire placard on the door of all my cars.  Never had a problem with any of them!!  Big smile
dskopp2011-04-04 19:47:49

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tire pressure (15/20)
 4/5/11 7:47am
sundew
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Eagan, MN - USA

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Gone, but not forgotten: 1974 Coupe Red, matching numbers, Black Interior, L-48 w/ 4 speed; The “Admiral”, also gone and never to be forgotten. 1994 Admiral Blue LT-1 coupe, Black Interior Automatic


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I have never been a fan of Firestone tires or Goodyears for what it is worth. My preference for my C3 was B.F. Goodrich Comp T/A's set at 26 psi, cold. That's my story and I'm stickin' to it! LOL



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tire pressure (16/20)
 4/5/11 8:02am
Adams' AppleLifetime Member
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Duncanville, TX - USA

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#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas


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Comp T/As were great tires! Had them on the '72 back in the day, and they rode, and drag raced very well!

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Joel Adams
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tire pressure (17/20)
 4/5/11 12:42pm
sundevil74
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Leavenworth, KS - USA

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MM Red 1971 T-top,LS5,4-speed, black leather C5 seats, Hooker sidepipes. Previous: 64 Coupe, 65 Roadster L76 / N14


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And if yer runnin' LARGER  OR W  I  D  E  R  skins ?????Wits End

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tire pressure (18/20)
 4/5/11 1:06pm
Adams' AppleLifetime Member
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Duncanville, TX - USA

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#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas


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You would need to put larger or wider air in them....

Tire sizes will absolutely come into play here, no question about it. The larger the tire, the more the volume of air it needs, however....the pressure will be the same. 30psi is 30 psi, no matter how large the tire is. The tires on my '85 run more pressure, but they're also larger diameter, and wider, which normally requires more air pressure to start with.
Drag slicks run about 5psi in a huge tire, but most dragsters ain't making no turns(intentionally), or doing much heavy braking.

This debate/discussin will never end, which is fine....everyone has their own comfort zone with tires and such. As Norsky said, more pressure also helps with fuel mileage, since you have less rolling resistance, and that's a good, solid, valid point.
The air pressures recommended at the time were also a result of the tire technology of the time. Tires have come a loooong way since the '70s.
It's a "6 one way, 1/2 dozen the other", "glass half empty, half full", tomato, termater.....


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Joel Adams
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"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"

tire pressure (19/20)
 4/5/11 9:58pm
lukesvetteLifetime Member
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HOWELL, NJ - USA

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1979, Targa Blue (72 Color), Pace Car rear spoiler, L88 hood, Dark blue factory interior, 525HP 406, HD 700R4, 370 gears,Steeroids, composite rear spring, TT IIs wrapped in T/A Radials.


Joined: 5/18/2004
Posts: 6812

I'm a 28 pound man mah-seff!! Approve
tire pressure (20/20)
 4/6/11 8:48pm
kwoody
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Tucson, AZ - USA

Vette(s):
1982 Black/Tan Leather Build Code C09E Bronze TTop CrossFire Fuel Injection L83 85 Fuel Pump Auto Axle 2.72 Firestone Firehawk Indy500


Joined: 7/11/2010
Posts: 415

I would not like it ether if one or more of my Indy 500 blew up.  Only been near one tire that exploded.  That was on a F-15C.  It was really frigging loud. We were running dry Nitrogen and after a landing with excessive brake usage it just blew.  Well, we knew something was sup - the brakes were smokin'.  No one hurt.

Keith


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Nobody ever waves when I'm driving the Explorer.
K Woody
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