40 PSI for those 18" tires sounds good to me. They have slightly less load rating as compared to the 225/50R17s, 93 vs 94. We got nice even wear with the recommended 38 PSI.
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performance wheels and tires for my Cmax!
Posted 15 September 2018 - 04:58 AM
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Posted 15 September 2018 - 11:10 AM
I took a risk with BFGoodrich g-Force COMP-2 A/S on my Focus Electric last week. The tires are fantastic, sticky as all heck, handle like a dream, but I've probably lost at least 5% range with them. I'm comfortable enough with that though. Not too many long drives anymore like last year... and DCFC stations are getting more common.
I changed the stockers at 32K when they were becoming truly hideously noisy and uncomfortable (cupping I guess), the C-Max Energi sits around 21K miles right now so the next ~10K miles on both vehicles will be an important eval time... see how the Focus Electric weathers them and see how the C-Max's stock tires fare at 32K. The Focus Electric and C-Max Energi use the exact same wheels and stock tires FYI.
The new BFG tires are quiet at low speeds, but around 60 mph I start to notice a low-frequency rumble that rises above the noise floor in my Focus Electric. Might not be too bad on the C-Max with its noise cancelling and if the engine is running, I'm assuming these tires' noise parameters were engineered with gasoline engines (and sportier ones at that) in mind.
Edited by spirilis, 15 September 2018 - 11:13 AM.
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