What did you do to your 4C today? - Page 155 - Alfa Romeo 4C Forums
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post #1541 of 1552 (permalink) Old 04-16-2017, 05:46 AM
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Same to you and everybody else

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post #1542 of 1552 (permalink) Old 04-19-2017, 06:35 PM
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What did you do to your 4C today?

Saw my car for the first time with my new squared Hoosier R7 245/40/ZR17 24.3" tall @40 hardness.

Wow low, wide and sticky!

Have a track day this Saturday weather looks to be OK.

This will be the first time I have everything ready and working 100%.

Last track day I didn't have full power because of my VVT solenoid's being bad and I was on my rain tires.
So Saturday is going to be the full monty!
I pity the poor high HP cars that challenge me! Some Vette Z06 owners are going to be going whaaatt!
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post #1543 of 1552 (permalink) Old 04-19-2017, 07:05 PM
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Originally Posted by Call me Al View Post
Saw my car for the first time with my new squared Hoosier R7 245/40/ZR17 24.3" tall @40 hardness.

Wow low, wide and sticky!

Have a track day this Saturday weather looks to be OK.

This will be the first time I have everything ready and working 100%.

Last track day I didn't have full power because of my VVT solenoid's being bad and I was on my rain tires.
So Saturday is going to be the full monty!
I pity the poor high HP cars that challenge me! Some Vette Z06 owners are going to be going whaaatt!
I have no doubt you'll kill them with that setup, Call me Al.
Just be careful. Get to know the new limits of your new beast, as I suspect they will come up a lot more suddenly (with less warning, and quite probably more violently) than they did before.
You've got a long season ahead of you - that's a lot of Corvettes to pass, if you do it right!

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post #1544 of 1552 (permalink) Old 04-19-2017, 07:33 PM
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What did you do to your 4C today?

Oh yes great advice thanks. I will be taking it easy first time on slicks! I'll go at it slow and test them out to see when they break loose if ever!! 40 hardness feels like bubblegum!

I'm pretty good at taking it slow just as fast as I can lol!

But these Vettes and other high hp cars that come to the track a lot most all have slicks on at every event. Now it will just be evenly matched as far as tires go at least.

But it's all about having fun for everyone not just me .... I will be nice. Wish you could be here I think you'd enjoy our local track, it is unique in ways. But not always in the best ways ha ha!

I think my new video recording system will be fully functional also. So should get some pretty good video footage.

The big question is will I hit 2Gs?!?! Yikes, I may get sick driving my own car.


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post #1545 of 1552 (permalink) Old 04-20-2017, 02:20 AM
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Looking badass af, post some videos afterwards!

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post #1546 of 1552 (permalink) Old 04-20-2017, 02:06 PM
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I have no doubt you'll kill them with that setup, Call me Al.
Just be careful. Get to know the new limits of your new beast, as I suspect they will come up a lot more suddenly (with less warning, and quite probably more violently) than they did before.
You've got a long season ahead of you - that's a lot of Corvettes to pass, if you do it right!
4Canada brings up a good point. You've made a lot of changes to your car since last season. Yes, they all are going in the right direction, but you still don't know the actual results yet.

- more power
- different rubber
- suspension changes
- probably a few things I've forgot or you never mentioned

You'll be going faster when you find the edge of adhesion. Will it be a snap-loose or a feedback loose? Meaning, will it be sudden or gentle when traction fades? The gentle is optimal because you can control the car while loosing grip. Snap-loose, well, that's it, your done, suddenly out of control and in trouble.

Is there a skid pad (wet or dry) that you can use?

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post #1547 of 1552 (permalink) Old 04-20-2017, 02:16 PM
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What did you do to your 4C today?

Quote:
Originally Posted by Racer Z View Post
4Canada brings up a good point. You've made a lot of changes to your car since last season. Yes, they all are going in the right direction, but you still don't know the actual results yet.



- more power

- different rubber

- suspension changes

- probably a few things I've forgot or you never mentioned



You'll be going faster when you find the edge of adhesion. Will it be a snap-loose or a feedback loose? Meaning, will it be sudden or gentle when traction fades? The gentle is optimal because you can control the car while loosing grip. Snap-loose, well, that's it, your done, suddenly out of control and in trouble.



Is there a skid pad (wet or dry) that you can use?


All trues!! Also hearing, my tires talk to me. Not sure how chatty the slicks are though.

Dynamic mode is my protector!

No real skid pad around. But we have a few sweepers of different radius that will give me some good feedback. I'll probably put it in race mode a little and toss it a bit or make it break loose at a speed I can control just to see what happens.

Since I'm keeping everything proportionally the same square setup, I'm assuming the slicks will be pretty much like my 100 hardness Toyos just much more grippy. But how they break loose is the real question.

The slicks are also only 24.3 inches tall so quite a bit shorter. This could give me some exciting shorter gearing! There's gonna be a lot of "waaaaah" noises!

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Last edited by Call me Al; 04-20-2017 at 02:20 PM.
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post #1548 of 1552 (permalink) Old 04-20-2017, 07:39 PM
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From what I've heard the Hoosiers aren't very communicative when they're about to let go. I haven't personally tried them though.
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post #1549 of 1552 (permalink) Old 04-20-2017, 07:46 PM
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What did you do to your 4C today?

Ready (get new slicks on)
Set (get car on trailer)
Go (to the race track on Saturday!!)

Borrowed my friends tilt trailer. Boy this car is low, glad I had raised it a little. Tricky getting in the car on the trailer but we figured out the right way. Have to bring a jack to jack up the trailer when we put the car first on and last off!

And when I'm in the car can't open the drivers door without hitting the frame on the trailer had to exit through the cloth roof! Glad I bought the Spider!

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Last edited by Call me Al; 04-20-2017 at 07:49 PM.
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post #1550 of 1552 (permalink) Old 04-21-2017, 12:16 AM
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Originally Posted by heelntoe View Post
From what I've heard the Hoosiers aren't very communicative when they're about to let go. I haven't personally tried them though.

Yes my race shop owner was telling me the same thing, that they just go! but I've heard that before from people on my other tires too. I feel and listen to my tires a lot and that really helps I think.

But I'll let them rip out a couple times in a safe environment and speed just to see what it's like.

One thing crazy I noticed is how Hoosiers measure the width of their tires so far off!

Just look at this photo, one is a Toyo 255 width but the Hoosier 245 width is wider! Americans and the metric system I tell ya!!

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