Suspension and Chassis Questions about your suspension? Need chassis advice?

Might want a bigger tire.

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Old Feb 14, 2006 | 02:55 PM
  #1  
90CamaroTBI's Avatar
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From: Waldorf, MD
Car: 91 Formula, 89 IROC
Engine: LB9, LB9
Transmission: 700R4, 700R4
Axle/Gears: Posi 2.73, Posi 2.73
Might want a bigger tire.

Ok well stock my car came with the 215/65/R15 and I think I may want something just a little bigger. I thought about going with a 225 all around. I just wanna knows whether to go after a 225/65/r15 or to go after a 225/60/r15. I do not want the sidewall to be any higher than stock and i know the sidewall at 65 for the 225 is bigger than the 215. What do you think I should do guys? I really dont wanna throw off my speedo. Thanks guys.
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Old Feb 14, 2006 | 03:00 PM
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Dewey316's Avatar
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From: Portland, OR www.cascadecrew.org
Car: 1990 Camaro RS
Engine: Juiced 5.0 TBI - 300rwhp
Transmission: T5
Axle/Gears: 3.42 Eaton Posi, 10 Bolt
I really liked 235/60/15
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Old Feb 14, 2006 | 03:46 PM
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From: Orland Park, IL
Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
235/60R15 really looks good on these rims.
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Old Feb 14, 2006 | 04:45 PM
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90CamaroTBI's Avatar
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From: Waldorf, MD
Car: 91 Formula, 89 IROC
Engine: LB9, LB9
Transmission: 700R4, 700R4
Axle/Gears: Posi 2.73, Posi 2.73
Will it rape my speedo?
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Old Feb 14, 2006 | 04:47 PM
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1st3rdgen23's Avatar
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From: Missouri
Car: 1990 RS
Engine: 305 tbi (currently)
Transmission: B/W 5spd
i use 245/60-r15 BFG's and they look freaking awsome imo
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Old Feb 14, 2006 | 05:13 PM
  #6  
Dewey316's Avatar
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From: Portland, OR www.cascadecrew.org
Car: 1990 Camaro RS
Engine: Juiced 5.0 TBI - 300rwhp
Transmission: T5
Axle/Gears: 3.42 Eaton Posi, 10 Bolt
Originally posted by 90CamaroTBI
Will it rape my speedo?
No, it is same diam. as stock.
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Old Feb 14, 2006 | 05:53 PM
  #7  
90CamaroTBI's Avatar
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From: Waldorf, MD
Car: 91 Formula, 89 IROC
Engine: LB9, LB9
Transmission: 700R4, 700R4
Axle/Gears: Posi 2.73, Posi 2.73
so the 235 will go on the the stock RS wheel with no probs?
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Old Feb 14, 2006 | 06:28 PM
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Dewey316's Avatar
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From: Portland, OR www.cascadecrew.org
Car: 1990 Camaro RS
Engine: Juiced 5.0 TBI - 300rwhp
Transmission: T5
Axle/Gears: 3.42 Eaton Posi, 10 Bolt
No problems. It is the same diam as stock, just a bit wider of a footprint.
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Old Feb 14, 2006 | 07:44 PM
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90CamaroTBI's Avatar
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From: Waldorf, MD
Car: 91 Formula, 89 IROC
Engine: LB9, LB9
Transmission: 700R4, 700R4
Axle/Gears: Posi 2.73, Posi 2.73
Should I run the 235's on all four corners or should I run smaller on the front?
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Old Feb 14, 2006 | 07:58 PM
  #10  
Shagwell's Avatar
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From: Southwest Florida
Car: projects.......
I'd run the 235/60's on all four corners.
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Old Feb 14, 2006 | 08:25 PM
  #11  
90CamaroTBI's Avatar
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From: Waldorf, MD
Car: 91 Formula, 89 IROC
Engine: LB9, LB9
Transmission: 700R4, 700R4
Axle/Gears: Posi 2.73, Posi 2.73
I hope if I upgrade from the 215/65/R15's (I think they are the stock size) to the 235/60/R15's that my handling will improve alot.
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Old Feb 14, 2006 | 10:30 PM
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From: Harford County, MD
Car: camaro sportcoupe
Engine: 7.0L
Transmission: G-Force GF5R
Axle/Gears: Moser 9"
it will improve a bit...and if you run some decent springs, and shocks/struts, you'll see even more improvement!

and don't forget about the little things like running poly bushings on your sway bars (it doesn't cost much and works REALLY well!)
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Old Feb 14, 2006 | 10:56 PM
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From: Northern, VA
Car: Pair of 92 Z28s
Originally posted by 90CamaroTBI
I hope if I upgrade from the 215/65/R15's (I think they are the stock size) to the 235/60/R15's that my handling will improve alot.
it will feel less boat-like but not too much...upgrading to factory 16" camaro wheels with a 50 series tire will help a lot more...better yet some 40 series tires with 17s...but ya lower series tire to a point will really help handling.
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