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Feb 24, 2026 | 08:44 PM

Bigbee69

Thread Starter

Intermediate

Joined: Jan 2026

Posts: 30

Likes: 19

From: westminster, md

Tires

Ladies and Gents, I’m running 225/70r15 right now and getting new ones soon. I want wider tires without altering the profile. How big can I go on an 15x8 rally wheel without spacers or rubbing issues.

Feb 24, 2026 | 09:11 PM

4-vettes

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From: Sunshine Coast, Queensland, Australia

2025 C3 of the Year Finalist - Modified

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Cruise-In VIII Veteran

255/60-15's

Feb 25, 2026 | 06:49 AM

forman

Melting Slicks

Joined: Mar 2010

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From: Randolph nj

I’m running 245/60/15 no problems

Feb 25, 2026 | 07:54 AM

Golfobsessed

Drifting

Joined: Aug 2016

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From: Arizona

255/60s will fit all around most of the time but can be close up front to the front fender opening depending on your year... I use Discount Tire and they will mount 1 255/60 for me to take home and test fit in the front... my most recent 70 they just barely rubbed up front and I needed to go 245/60s

Perhaps see if your tire shop will mount one to test fit up front

Feb 25, 2026 | 09:26 AM

Alan 71

Team Owner

Joined: Sep 2006

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From: Westminster Maryland

Hello BB69,
If your 69 is a bb the clearance issue might be at the front because of a little more weight on the front suspension.
255/60/15 on a sb car.
Regards......

Feb 25, 2026 | 10:23 AM

Bigbee69

Thread Starter

Intermediate

Joined: Jan 2026

Posts: 30

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From: westminster, md

Alan, Thanks. The car is sitting 29 inches from floor to top of fender well. Won`t a 60 series drop the car and increase the fender well gap. ?

Feb 25, 2026 | 10:29 AM

Golfobsessed

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From: Arizona

Quote:

Originally Posted by Bigbee69

Alan, Thanks. The car is sitting 29 inches from floor to top of fender well. Won`t a 60 series drop the car and increase the fender well gap. ?

225 x .70 = 157.5mm sidewall
255 x .60 = 153mm sidewall

4.5mm sidewall profile less

Feb 25, 2026 | 10:36 AM

Bigbee69

Thread Starter

Intermediate

Joined: Jan 2026

Posts: 30

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From: westminster, md

Thanks G.O. Hardly noticeable.

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Feb 25, 2026 | 10:38 AM

Golfobsessed

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From: Arizona

Quote:

Originally Posted by Bigbee69

Thanks G.O. Hardly noticeable.

absolutely and will look better, 255s give the best look IMHO

Feb 25, 2026 | 10:46 AM

#10

Hopper12

Melting Slicks

Joined: Dec 2014

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From: Central UT

I''m running 255's too, and really like them. Be aware that, on mine, it makes getting the clips on the rings REALLY difficult at times. Best, Paul

Feb 25, 2026 | 11:30 AM

#11

Dream Car C3

Instructor

Joined: Dec 2024

Posts: 123

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From: Chicago Burbs

Cooper 255-60-15's
Got a good deal at mavis tire installed

Feb 26, 2026 | 07:18 AM

#12

cottoneg

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Joined: Nov 2007

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From: New York

Will an F-41 suspension alter the recommendation?

Feb 26, 2026 | 10:40 AM

#13

Hopper12

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From: Central UT

Quote:

Originally Posted by cottoneg

Will an F-41 suspension alter the recommendation?

Not at all. We have F41 on our '68 L71 and there is nothing to consider there IMO. Best, Paul

Feb 26, 2026 | 10:56 AM

#14

SEVNT6

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Joined: Jan 2007

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From: Omaha NE

2025 c3 ('74-'82) of the Year Finalist - Unmodified

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255/60s...

Feb 26, 2026 | 02:00 PM

#15

Primoz

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Joined: Jul 2012

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From: Slovenia, EU

2017 C3 of Year Finalist

Quote:

Originally Posted by 4-vettes

255/60-15's

which year? Early C3s can have issues with rubbing.

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