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YOUR RESEARCHAnyone running 235 front and 295 rear ?
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Run 225 and 285 sections
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I'm running 225 and 285 sections on MY02 wheel with 15 mm spacers currently - but the rears are worn <shocker> and a set of good condition 235/40/18 and 295/30/15
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And FWiW, I run 235/295 combo on standard 8� and 10� wheels on my 996.2 C2 Coupe.
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My C4 I'm running 245/19" w/15mm (F) & 295/19" (R) no spacer.
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Run 225 and 285 sections
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Performed · outcome unconfirmed · Original poster
I'm running 225 and 285 sections on MY02 wheel with 15 mm spacers currently - but the rears are worn <shocker> and a set of good condition 235/40/18 and 295/30/15
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I'm running 225 and 285 sections on MY02 wheel with 15 mm spacers currently - but the rears are worn <shocker> and a set of good condition 235/40/18 and 295/30/15
Continental Extreme Contact Sport have come up in 235 and 295 section.
Date code on the Conti's is 4618 - which I think I can live with if the price is right....
Alternately I will probably buy Sumitomo from Tire Rack for about the same price - but they will be new and will be in the "correct" 225 and 285 sizing.
Thoughts ?
Well - not for the price he is asking.
My thinking is they would be good for two seasons but not 3 or 4.
They were stored inside...but yeah - totally.
It sounds like they may not be a great fit anyway - at which point the WHY question doubles up.
OP - Rethink the purchase? The rubber is almost 6 years old and a softer compound degrades faster with age and exposure than an 400-560 will. Think stopping distance reduction and noise increase, minimum.
This ^ The only thing that enables your car to grip/stick to the surface of the road come rain or shine, and you�re considering fitting items which most tire manufacturers would consider at or close to the end of their serviceable life.
One word, madness (sorry if that offends, but it�s the harsh reality of the matter)
And FWiW, I run 235/295 combo on standard 8� and 10� wheels on my 996.2 C2 Coupe.
Here you go :
The car is running on custom sprung Ohlins R&T's. The spring rates are considerably lower than the softer option springs Ohlins offer. I run the tire pressures at 36psi.
Personally I far prefer the chunkier sidewall the wider tire comes with. The sidewall on the 285 section tire looks rather thin and the wheel/tire combo lost in the fender opening, in comparison to the 295 with it's taller/wider sidewall.
Thanks! Looks great - I thought the sidewalls would stick out more but that looks perfect. I'm assuming you didn't need spacers are you didn't mention them?
Front is wide track spec courtesy of Eibach/SPC adjustable coffin arms, top mounts moved outboard as far as possible, and adjustable caster arms.
Rears no spacers currently, but may fit some 5/7 or 8mm items once the geometry has been done next week.
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Slightly similar but different question y'all... I need to get new rear tires (one needs to be replaced, but ya...)
Front are newer 225/40/18 Michelin Pilot Sport 4S, rears are 265/35/18
Im thinking about getting 275 or 285, good idea or bad?
225x40x18 with the 285x30x18 on 8/10 wheels.
If you want a softer ride over the bumps for the street and and are willing to sacrifice a bit of responsiveness in handling for canyon carving go to
235x40x18 and 275x35x18 or 285x35x18.
For track I run 225x40x18 and 285x30x18. When my RE71RSs wear out, I may try
225x40x18 with 295x30x18.
Imho, unless you are willing to go to 8.5 and 11 wheels, I would stick within that range. You can do everything with suspension set up to get the car to drive like a go cart within that range of tires. Too big of tire over too small of wheel equals flabby handling. But that's OK if you want a softer ride and don't care as much about handling.
The tire rack tests on tire sizes and wheel sizes provide analysis that may be a beneficial reference point
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