Looking for puddles! - Jaguar I-Pace EV400 Forum
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post #1 of 7 (permalink) Old 01-17-2019, 09:16 PM Thread Starter
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Looking for puddles!

It has been raining hard in Southern California for the past three days and today was the first time I drove my I-Pace. Flooding and puddles on the roads and freeways? No problem!
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post #2 of 7 (permalink) Old 01-18-2019, 12:10 AM
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Yesss!!!

You guys did get a lot of rain! Is the LA river actually flowing?
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post #3 of 7 (permalink) Old 01-18-2019, 01:38 AM
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Today on the 241 Toll Road I saw 5 crashes, but luckily none of them in real time. People were hydroplaning into the landscape. Or they were simply driving backwards or sideways and parked funny. A Cadillac CTS-V lost the back end of the car. There are a reason they call those Summer Performance tires. A pickup tore off a front wheel assy.
The I-Pace is the most stable car I've ever driven in the heavy rain. Note: I was on the 20" all season tires, 41psi front, 45psi rear. 22" results will certainly be different as would lower pressures.

However, you can hydroplane any car, it's a question of speed. Be safe out there.

Jaguar i-Pace FE Photon Red 20" wheels, "Leaper"
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post #4 of 7 (permalink) Old 01-18-2019, 01:55 AM Thread Starter
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Originally Posted by sciencegeek View Post
Yesss!!!

You guys did get a lot of rain! Is the LA river actually flowing?
The LA River, the San Gabriel River, the Dominquez Channel, all storm water channels and debris catch basins are flowing and full.
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post #5 of 7 (permalink) Old 01-18-2019, 04:27 AM
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Quote:
Originally Posted by McRat View Post
Today on the 241 Toll Road I saw 5 crashes, but luckily none of them in real time. People were hydroplaning into the landscape. Or they were simply driving backwards or sideways and parked funny. A Cadillac CTS-V lost the back end of the car. There are a reason they call those Summer Performance tires. A pickup tore off a front wheel assy.
The I-Pace is the most stable car I've ever driven in the heavy rain. Note: I was on the 20" all season tires, 41psi front, 45psi rear. 22" results will certainly be different as would lower pressures.

However, you can hydroplane any car, it's a question of speed. Be safe out there.
Summer tires can be great in the rain. It just depends on the design. I agree that the ipace is unusually stable in the wet. I still take it easy, though. I also wish the 20" wheels came with summer tires instead of all seasons. This year, we haven't even had a single day of frost.
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post #6 of 7 (permalink) Old 01-18-2019, 11:42 AM
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Summer tires can be great in the rain. It just depends on the design. I agree that the ipace is unusually stable in the wet. I still take it easy, though. I also wish the 20" wheels came with summer tires instead of all seasons. This year, we haven't even had a single day of frost.
CTS-V's get Michelin Pilot Super Sports on them, 295 wide in the rear. Great rain tire, but not for standing water. That's what these folk hit. I felt it several times. Suddenly out of the blue you hit standing water because it's raining so hard you can't see it, it look just like the road. Watched a Toyota Tundra with off-road tires 2 lanes over suddenly go into a tank-slapper, then save it. Bet he needed new underwear after that, he nearly looped it. His problem was most likely weight distribution, primitive Stability Control, or his oversized tires corrupted the SC logic.

Before you decide to ditch the OEMs, take it out to an AutoX and turn TC/SC off (TracDSC Mode). Even in the rain, it pulled 0.86 g's both left and right and was besting nearly all the cars out there. To get full grip out of the car will involve lower profile, wider/stickier rubber, some front camber and more anti-sway in rear.
But as it is shipped, it's handles well for a non-track variant of an AWD luxury car. Bet it destroys Model S's. Our Volts will hang with Model S's and the I-Pace put 4 seconds on the Volts.

Jaguar i-Pace FE Photon Red 20" wheels, "Leaper"
Two Chevrolet Volts in service
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post #7 of 7 (permalink) Old 01-18-2019, 12:49 PM
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CTS-V's get Michelin Pilot Super Sports on them, 295 wide in the rear. Great rain tire, but not for standing water. That's what these folk hit. I felt it several times. Suddenly out of the blue you hit standing water because it's raining so hard you can't see it, it look just like the road. Watched a Toyota Tundra with off-road tires 2 lanes over suddenly go into a tank-slapper, then save it. Bet he needed new underwear after that, he nearly looped it. His problem was most likely weight distribution, primitive Stability Control, or his oversized tires corrupted the SC logic.

Before you decide to ditch the OEMs, take it out to an AutoX and turn TC/SC off (TracDSC Mode). Even in the rain, it pulled 0.86 g's both left and right and was besting nearly all the cars out there. To get full grip out of the car will involve lower profile, wider/stickier rubber, some front camber and more anti-sway in rear.
But as it is shipped, it's handles well for a non-track variant of an AWD luxury car. Bet it destroys Model S's. Our Volts will hang with Model S's and the I-Pace put 4 seconds on the Volts.
I think P Zeros would still dramatically increase the dry grip on 20s and stock suspension. The car is made to run 22s with P Zeros.

Any idea how much if any camber we can add to the stock suspension? I think a couple degrees might be a good thing, but I doubt it's adjustable. I'd also like to zero out the toe, front and back.

That all said, I haven't driven the car hard enough to kick in stability control. Yet. The roads are just too messy right now.
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