Continental Extreme Contact Force - First Impressions

polarbearz · 01-07-2023, 05:21 AM

Quote:

Originally Posted by JustJames

I targeted 32-33 PSI and didn't have an issue getting them there. It took a couple 20m sessions to get them there, but that was also compounded by me not being familiar with the tires and the track. You could get them to temp in one session just fine.

These pressures are actually slightly lower than what I ran on Michelin 4Ss/Cup 2 (33-34) and Conti ECS (35-36). Generally, I prefer higher pressure with softer sidewalls.

These tire can enough heat to work in about first 2-3 minutes of the session from my experience.

Driver407 · 11-18-2023, 01:18 PM

Been a while since these came out. Anyone have any new data to share?
Picked up a pair and running them tomorrow at Sonoma for the first time.

How many days did you end up getting out of a set? How many cycles before they start dropping off hard? 34 hot still what you all recommend?

D_SheerDrivingPleasure · 11-18-2023, 03:18 PM

Quote:

Originally Posted by Driver407

Been a while since these came out. Anyone have any new data to share?
Picked up a pair and running them tomorrow at Sonoma for the first time.

How many days did you end up getting out of a set? How many cycles before they start dropping off hard? 34 hot still what you all recommend?

I've done three track days on mine (one day was wet) so it's too early to tell if/when they will heat cycle out but visually they don't show much wear. They won't overheat and they are very street friendly if you dual duty your car.

34 hot is good.

BoilerUP · 11-18-2023, 03:27 PM

275/35R18 and 295/30R18 Conti ECFs with 32 sessions on my Cadillac ATS-V sedan, a majority of which were 25-30min sessions. These had a LOT of tread left when I retired them; I felt they were starting to heat cycle out a bit with traction down some but for a DE tire they rock.

In a 3900lb sedan, I typically started the first session at 30psi cold square, then adjusted to 30 cold right before the second session. After that, they would maintain 34-36 hot and I liked to target 35psi hot.

I ran them from -2.0 to -3.0 front camber and while they did just fine at -2.0, I think -2.5ish is probably near the sweet spot on my car.

Driver407 · 11-19-2023, 09:55 PM

Ran Sonoma today for the first time in 2 years with F80. ECF felt great!
Was at 34 hot all day and was going hard for the full 20 minute sessions. (1:51 PB)
Tires never let up.

I've run several sets of NT01 back to back and I would say the ECF are slightly faster in pace. Maybe by juuust a hair. See how that pace holds up as they cycle.

b_w. · 11-28-2023, 06:30 PM

I am going to pick another set of these up for my street/wet track tires. I got about 9 days out of my 275/315 set. Had a few rainy days and they were great. Fronts were cooked but rears had some life left. This time will run 315 non rotatable all around. Track tires will be 315 square rotatable nt01s.

I will echo that 34psi hot was good.

njoyRice · 12-04-2023, 07:22 PM

How would y'all compare the ECF to R888R in terms of straight line grip?

11-18-2023, 01:18 PM	#24
Driver407 Second Lieutenant 220 Rep 248 Posts Drives: 16' F80 M3, 02' E46 M3 Join Date: Jun 2019 Location: CA iTrader: (2)	Been a while since these came out. Anyone have any new data to share? Picked up a pair and running them tomorrow at Sonoma for the first time. How many days did you end up getting out of a set? How many cycles before they start dropping off hard? 34 hot still what you all recommend? __________________ '16 F80 M3 DCT TC Kline coilovers and camber plates, Apex 18" EC-7, Conti ECF 295r/275f, monoball thrustarms, SPL toe arms, Powerflex diff bushings/bracket, AP Racing 9660, Project Mu H21, Spiegler brake lines, AA midpipe, VTT crankhub, VRSF charge/j pipe, Turner tray, BM3 CS Youtube: Driver407
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11-18-2023, 03:27 PM	#26
BoilerUP Enlisted Member 36 Rep 36 Posts Drives: Cadillac ATS-V Join Date: Feb 2023 Location: New Albany, IN iTrader: (0)	275/35R18 and 295/30R18 Conti ECFs with 32 sessions on my Cadillac ATS-V sedan, a majority of which were 25-30min sessions. These had a LOT of tread left when I retired them; I felt they were starting to heat cycle out a bit with traction down some but for a DE tire they rock. In a 3900lb sedan, I typically started the first session at 30psi cold square, then adjusted to 30 cold right before the second session. After that, they would maintain 34-36 hot and I liked to target 35psi hot. I ran them from -2.0 to -3.0 front camber and while they did just fine at -2.0, I think -2.5ish is probably near the sweet spot on my car.
	Appreciate 2 Driver407220.00 mike082802114.00 Quote

11-19-2023, 09:55 PM	#27
Driver407 Second Lieutenant 220 Rep 248 Posts Drives: 16' F80 M3, 02' E46 M3 Join Date: Jun 2019 Location: CA iTrader: (2)	Ran Sonoma today for the first time in 2 years with F80. ECF felt great! Was at 34 hot all day and was going hard for the full 20 minute sessions. (1:51 PB) Tires never let up. I've run several sets of NT01 back to back and I would say the ECF are slightly faster in pace. Maybe by juuust a hair. See how that pace holds up as they cycle. __________________ '16 F80 M3 DCT TC Kline coilovers and camber plates, Apex 18" EC-7, Conti ECF 295r/275f, monoball thrustarms, SPL toe arms, Powerflex diff bushings/bracket, AP Racing 9660, Project Mu H21, Spiegler brake lines, AA midpipe, VTT crankhub, VRSF charge/j pipe, Turner tray, BM3 CS Youtube: Driver407
	Appreciate 2 4Y_stack_acceleration65.00 D_SheerDrivingPleasure1092.50 Quote

11-28-2023, 06:30 PM	#28
b_w. Lieutenant 399 Rep 529 Posts Drives: F80 M3 Join Date: Jul 2022 Location: Alberta iTrader: (0)	I am going to pick another set of these up for my street/wet track tires. I got about 9 days out of my 275/315 set. Had a few rainy days and they were great. Fronts were cooked but rears had some life left. This time will run 315 non rotatable all around. Track tires will be 315 square rotatable nt01s. I will echo that 34psi hot was good.
	Appreciate 0 Quote

12-04-2023, 07:22 PM	#29
njoyRice Enlisted Member 56 Rep 42 Posts Drives: G80 M3C Join Date: Sep 2022 Location: Houston iTrader: (0)	How would y'all compare the ECF to R888R in terms of straight line grip?
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