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How big of tires will fit my formula??

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Old Feb 4, 2010 | 05:45 PM
  #1  
keith#55's Avatar
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Car: 92 Formula
Engine: stock 350
How big of tires will fit my formula??

Ive been wondering how big of tires can i fit on my car. I dont know cause i am buying new tires for my car (92 formula) this spring when it comes out of storage....anyways i want to know if i can put wider tires on it without having to mess with spacing, etc. cause i dont want to put skinnier tires on the rear end (breaks loose too easy as it is lol) maybe less wide in the front and wider in the back? it has p245 50zr16's all around on it right now..thank you

Last edited by keith#55; Feb 4, 2010 at 07:26 PM.
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Old Feb 9, 2010 | 10:34 PM
  #2  
ziggy89's Avatar
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Joined: Mar 2007
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From: Muscatine IA
Car: 91 Firebird Formula
Engine: 383
Transmission: built 700r4
Axle/Gears: 4.11, 9inch
Re: How big of tires will fit my formula??

im thinkin a 255/50/16 is as big as your gunna get on a stock wheel.
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Old Feb 9, 2010 | 10:58 PM
  #3  
firebird1992's Avatar
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From: NJ UNION
Car: 1992 firebird
Engine: V6
Transmission: 700r4
Axle/Gears: 10 open 3.42
Re: How big of tires will fit my formula??

yea that's the biggest on the 16in rims
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Old Feb 16, 2010 | 02:01 AM
  #4  
keith#55's Avatar
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Car: 92 Formula
Engine: stock 350
Re: How big of tires will fit my formula??

Good news! I didnt think anything bigger would fit, this will save me the headache when i buy'em.
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Old Mar 1, 2010 | 08:58 PM
  #5  
Vortec_Formy's Avatar
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From: San Antonio, TX
Car: 89 Formula/94 z28
Engine: Vortec 350/ LT1
Transmission: WC T-5/ 4l60e
Axle/Gears: torsion posi 3.23s/auburn posi323s
Re: How big of tires will fit my formula??

my friend runs a 295/50/16 on his 90 formula with no problems, I'm going to run the same thing and he has them on the stock 16x8 wheels. well in the back only and 245's in the front. And kewl to know I'm not the only keith on this forum
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Old Mar 2, 2010 | 11:28 PM
  #6  
keith#55's Avatar
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Car: 92 Formula
Engine: stock 350
Re: How big of tires will fit my formula??

Originally Posted by Vortec_Formy
my friend runs a 295/50/16 on his 90 formula with no problems, I'm going to run the same thing and he has them on the stock 16x8 wheels. well in the back only and 245's in the front. And kewl to know I'm not the only keith on this forum
Oh wow! I might have to look into that. That would help a lot when i go to the track.. ive tried just rolling up to the lights and ive tried warming up the tires before i get there and they always break loose when i launch... but wait, would that big of a tire fit without rubbing the wells? or when your turning? like i said i dont really want to mess with spacers or anything.....but yea i didnt think it was that common of a name either

Last edited by keith#55; Mar 2, 2010 at 11:55 PM.
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Old Mar 4, 2010 | 03:17 AM
  #7  
Vortec_Formy's Avatar
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From: San Antonio, TX
Car: 89 Formula/94 z28
Engine: Vortec 350/ LT1
Transmission: WC T-5/ 4l60e
Axle/Gears: torsion posi 3.23s/auburn posi323s
Re: How big of tires will fit my formula??

are you stock height? his car is slammed and the only problem is when he turns hard but hiss car has the springs cut and he has it slammed so decently lowered or stock height will be fine

Last edited by Vortec_Formy; Mar 4, 2010 at 03:21 AM.
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Old Mar 4, 2010 | 08:30 PM
  #8  
keith#55's Avatar
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Car: 92 Formula
Engine: stock 350
Re: How big of tires will fit my formula??

Yea everything on it is stock. Even the tires too.. (suprisingly).
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Old Mar 4, 2010 | 08:53 PM
  #9  
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From: Bertram (outside Austin), TX
Car: 87 GTA
Engine: L98
Transmission: 700R4
Axle/Gears: Dana M78 3.27 posi
Re: How big of tires will fit my formula??

I ran the BFG 295/50R16's on my lowered 92 with zero rubbing problems, years ago.

Sadly, this is the ONLY pic I have of it, that een remotely shows it.


As far as tire choices go, there are several stock 245s. Some 255s. The a jump up to the BFG 295, for street legal tires.
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Old Mar 4, 2010 | 09:37 PM
  #10  
CrimsonDragon's Avatar
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From: Ozarks
Car: 89 IROC - 85 Z28
Engine: 350 / 305
Transmission: 700R4 / T5
Axle/Gears: Stock
Re: How big of tires will fit my formula??

The 295's worked on ours as well but we had to pound on the inner fenderwells a bit.
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Old Mar 4, 2010 | 10:12 PM
  #11  
Vortec_Formy's Avatar
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From: San Antonio, TX
Car: 89 Formula/94 z28
Engine: Vortec 350/ LT1
Transmission: WC T-5/ 4l60e
Axle/Gears: torsion posi 3.23s/auburn posi323s
Re: How big of tires will fit my formula??

Originally Posted by Stephen
I ran the BFG 295/50R16's on my lowered 92 with zero rubbing problems, years ago.

Sadly, this is the ONLY pic I have of it, that een remotely shows it.


As far as tire choices go, there are several stock 245s. Some 255s. The a jump up to the BFG 295, for street legal tires.

hey stephen, what lowering kit did you use on that camaro? if you still remember
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Old Mar 5, 2010 | 10:39 AM
  #12  
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From: Bertram (outside Austin), TX
Car: 87 GTA
Engine: L98
Transmission: 700R4
Axle/Gears: Dana M78 3.27 posi
Re: How big of tires will fit my formula??

Originally Posted by Vortec_Formy
hey stephen, what lowering kit did you use on that camaro? if you still remember
A free one, called labor & a 3.5" grinder!

Yes, I cut the stock springs. Use a thin, metal cutting wheel & don't overheat the spring, and it is perfectly safe.

I used a 5 gal bucket of water. Put the spring in it, with just enough sticking out to cut, yet no worries about the grinder getting in the water. The water dissipated what heat built up. Is that overkill(the water)? Probably. But doing it that way I KNEW the springs wouldn't get overheated & sag any.
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Old Mar 5, 2010 | 04:43 PM
  #13  
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From: San Antonio, TX
Car: 89 Formula/94 z28
Engine: Vortec 350/ LT1
Transmission: WC T-5/ 4l60e
Axle/Gears: torsion posi 3.23s/auburn posi323s
Re: How big of tires will fit my formula??

Originally Posted by Stephen
A free one, called labor & a 3.5" grinder!

Yes, I cut the stock springs. Use a thin, metal cutting wheel & don't overheat the spring, and it is perfectly safe.

I used a 5 gal bucket of water. Put the spring in it, with just enough sticking out to cut, yet no worries about the grinder getting in the water. The water dissipated what heat built up. Is that overkill(the water)? Probably. But doing it that way I KNEW the springs wouldn't get overheated & sag any.
lol yea i currently have the springs cut on my formula but i'm running 245/50/16s, how many coils did you cut in the rear? I know I will need to raise my car back up.
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