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Official Wheel Fitment Thread for DE5 Acura Integra Type S

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Victorofhavoc

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285/35/18

Acura Integra Official Wheel Fitment Thread for DE5 Acura Integra Type S {filename}
Nice to see it can fit, and we have even more room in the fender than the civic sisters. I'll have to stick to a 275 for classing, but most super 200 275s measure as wide or wider than 300tw 285s...

That type r needs a splitter and a fence with that much front poke to match the aero of that wing, though😅
 

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Does anyone know of a reputable 18x10.5 +44 to +47 wheel that isn't apex? I love apex but after having two sets of vs5rs and ec7, I'm looking for something different. Ideally a decent flow formed option that's easy to replace (not some wait list special wheel) and is on the very cheap end (<500$ per)...
Just received these pictures back from our customer, he took my advice on the 18x10.5 +47 size for his 76RR, and ordered two sets simultaneously.

This current winter setup will run 275/35 Conti DWS06+, and the summer setup will have 275/35 Conti ECS 02. Lots of space for more tire

Acura Integra Official Wheel Fitment Thread for DE5 Acura Integra Type S IMG_4126

Acura Integra Official Wheel Fitment Thread for DE5 Acura Integra Type S IMG_4128


https://unity-performance.com/produ...-17-23-civic-type-r-fk8-fl5-23-integra-type-s
 

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My FK8 was the original demo car for these, and since that car sold, my set of 76RR now lives on the FL5

18x10.5 +47 with 285/35 Conti DWS06+. Lowered on H&R’s currently, and also confirmed no rub with the more aggressive Swift Springs.

295/30 is doable as-is, and with Coilovers 305/30 is possible if someone wants to go crazy

Acura Integra Official Wheel Fitment Thread for DE5 Acura Integra Type S IMG_1450
 

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My FK8 was the original demo car for these, and since that car sold, my set of 76RR now lives on the FL5

18x10.5 +47 with 285/35 Conti DWS06+. Lowered on H&R’s currently, and also confirmed no rub with the more aggressive Swift Springs.

295/30 is doable as-is, and with Coilovers 305/30 is possible if someone wants to go crazy

Acura Integra Official Wheel Fitment Thread for DE5 Acura Integra Type S {filename}
Given the weight of this platform I don't believe anything larger than a 285 will be beneficial... It will probably be slower honestly because of the reduced feel, slip angle, and heat tolerance on the shoulder. Unless you're putting down 450+ to the wheels and pushing 14k+ springs with real aero.

For anyone interested, I have yet to find a 285 tire that fits into the NASA 282mm template for TT4 limitations. (this is the power class allowing a 3240lb fwd car to run 348 avg whp on a super 200 tire). I need to mount the wider 275s on a 10.5" rim to check sizing, but in theory they should fit the 282mm limit.
 

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Given the weight of this platform I don't believe anything larger than a 285 will be beneficial... It will probably be slower honestly because of the reduced feel, slip angle, and heat tolerance on the shoulder. Unless you're putting down 450+ to the wheels and pushing 14k+ springs with real aero.

For anyone interested, I have yet to find a 285 tire that fits into the NASA 282mm template for TT4 limitations. (this is the power class allowing a 3240lb fwd car to run 348 avg whp on a super 200 tire). I need to mount the wider 275s on a 10.5" rim to check sizing, but in theory they should fit the 282mm limit.
You would recommend 285 on 10.5 over 295?

I was assuming (class limitations not considered), given the ratio of tread width to tire width, that 295 would be preferable, given it adheres more closely to the OEM relationship than 285 does (OEM: 27.9mm / in; 285: 27.1mm / in; 295: 28.1mm / in).
 

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You would recommend 285 on 10.5 over 295?

I was assuming (class limitations not considered), given the ratio of tread width to tire width, that 295 would be preferable, given it adheres more closely to the OEM relationship than 285 does (OEM: 27.9mm / in; 285: 27.1mm / in; 295: 28.1mm / in).
I would.

Honestly, given my recent research on optimal sizing and heat balance for this platform (and strictly speaking track/competition use) a 265/35 or 275/35/18 is likely the best fitment option for performance.

Specifically :
The taller tire leads to less heat (overall and on the outer edge - where fwd cars are VERY challenged)
A 285 or 295 would need even more camber to keep the shoulder happy - leading to other extremes
The narrower tire has a wider slip angle for more consistent laps
While a wider tire creates more lateral grip due to contact patch, it also creates more drag and adds weight

Also consider aero. The offsets and sizes that push the tire out more create more drag at the front of the poke. Covering the canards' air exit also removes a lot of the canards' function. More wheel/tire poke also leads to more turbalance at the wheel face, and that makes getting heat OUT of the wheel/rotor/caliper harder which would increase braking distances (the highest impact to lap times).

Note - this is all in a vacuum... If you decide to go super wide and also blow out the fenders or add a ton of louvreing, you might be able to overcome some of these issues. The same is true for other parts, like running a 295; you'd want probably 14k front spring rate, -3.8 to -4.2 camber, an 11" wheel, a proper splitter with a fence and air dam (not a lip or just an air dam) and you'd be able to make full utilization of that tire.

There's a reason the trackside saying is "modifying is a fast way to ruin a fast car". Yet we all do it to some extent. 😅
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