The Official Original 170 Thread

[DRAGRCR]

I had to search for this one.........

 

[Speedy!]

I was pleasantly surprised how well the 170 drives when I got mine. I was very worried I wouldn't like it, and for what it cost LOVE it, but figured I could sell it if I hated it.

It drives better on the street than my Hellcat did, and is faster and easier to go faster at the track. Kinda crazy honestly.

I've got Michelin PS4 tires on the back of mine, I can't remember the size but I think they're OEM on some Porsche SUVs. It hooks SHOCKINGLY well and the traction control programming seems a lot more advanced than it did in my Hellcat. I see Mr. Squiggles blink here and there at WOT but I never "feel" it lose power like I did in the Hellcat. I asked Jim Wilder about that and he said "the calibration engineers worked a long time on that".

I've not noticed the gears holding a higher RPM.....maybe I thought it's due to the 3.09 gears. 4,000 miles on mine now.

 

[2ndAmend]

If they were available at MSRP without all the overpriced options, I think they would have sold a lot of them. But I guess the clock ran out and they just got the most they could from what they had left. The entire HC saga is a sad story...

 

[2ndAmend]

With the ET Streer R's the speed limit in medium rain is 45. With the OEM Version I would think it would be higher. Maybe 55-60. I posted a video driving my 18 DEMON in the rain and the car consistently lost traction at the drive wheels above 45. I think I had 315/50's on there at the time.

The OEM Fronts look flat at 32-35PSI. I put them up to 50 and they look better and the car drives much better. But they are soft and will ge cut by road Dabris a lot easire. One of my rears has a chunk out of it that is superficial. OEM fronts are HEAVY. They weigh as much or nearly as much as an 18 OEM front. It's crazy. Jim Wilder showed me on his Phone what 2 tires they were derived from and they liked the way the heavier tire drove. I would never race on them but they are not bad for the street.

I rarely drive on the street anymore, but will try ECO if I do.

500 miles on the first motor. 500 miles on the second motor. 500 miles on the new Diff. I also put 500 miles on my first 2 D170's, #1660 and #151. So I have seen a decent amount of street miles ENJOYING every mile to the max. #151 I put the 500 miles using my Race wheels and tires because that car came with CF wheels (which were the nicest OEM wheels I have ever had).

Do you use the default transbrake torque profiles at the track?

Are you sold on transbrake over foot braking?

I'm at almost 900mi now, so it'll be a couple of weeks before I get the track. I want to prepare.

Thanks.

 

[CPO Super stock]

Do you use the default transbrake torque profiles at the track?

Are you sold on transbrake over foot braking?

I'm at almost 900mi now, so it'll be a couple of weeks before I get the track. I want to prepare.

Thanks.

looking fwd to your results and experience.

 

[2ndAmend]

looking fwd to your results and experience.

Start shopping now!

 

[2ndAmend]

I had the MT's removed from the 170 rears so I could detail the bead area of the tires and properly mount them so they will not slip. This surprised me, I never saw this before... They masked the knurled area of the rim to keep the coating off. Smart, it maintains the sharp texture to bite the tire where the coating fills the grooves and reduces grip.

Someone obviously was thinking... So many things about this car are surprising/unexpected. I really think this would have been a big seller if they didn't cancel the platform.

 

[DRAGRCR]

Do you use the default transbrake torque profiles at the track?

Are you sold on transbrake over foot braking?

I'm at almost 900mi now, so it'll be a couple of weeks before I get the track. I want to prepare.

Thanks.

The trans brake ONLY reduces power. It's only purpose is to get you down a marginal track. I just made passes in a dead stock D170 at Rockingham, tires and all. The Owners let me do whatever I wanted. So, I gave it my best shot and the car chattered/wheelhopped the tires. Next pass I was able to get a 9.35 out of it, which is a PB for that car. Rich from Radford was there working with the Owner and they got the car down to 9.39 that night in better DA. I think if you really worked with the Torque curve you can likely do better than 9.39 and Rich was talking like he could get 9 20's out of it. But if you were on Prep that would dead hook I think the car would be the fastest. Just so you know Radford Torque curve starts out horizontal at 550 and for 3 increments and then DROPS for a bit and then goes on up. Interesting. And they said that only works with the ET Street R's. The Pro bracket radials want a different curve. I suppose if you really really practice with the Trans Brake you could compete with it and it would be pretty reliable on the hook, but put up much slower times. I never run default curves except maybe C in a no prep. But you won't win, again because you will be slow.

OK the NEW CAL is out. 69C. Go to your Dealer and GET IT. Call and they may even come to your house. This also happens to fix a lot of the issues with shifting coming off the Trans Brake.......as well as MANY other things.

The Wheel beads being bare is standard practice. Weld has the best knurling. It's like screw threads rolled into the aluminum. Real knurling. PS: They will do other wheels. Not just their own. Just so you know the factory wheels will not hold the tire. It will still move a bunch. 22PSI and higher will help but you will spin.

 

[jgilj]

Good to know info Ron. Thanks