New drag tires -best at 203F - How long to cook?

[babbage]

Got some new tires for the drags, for cheap, and it says that they have best grip at 203F - so how long do you guys think I should "cook" them to get that temp? They aren't dedicated slicks but pretty close - have a look see:

KUMHO Ecsta XS Extream Performance Street/Autocross Tires
http://i.i-sgcm.com/products/items/4/2011/11/514_1.jpg




Black Sidewall

Treadwear: 180

Traction: AA
Temperature: A
Low void asymmetric tread pattern with circumferential grooving for high cornering grip.
Ultra fine carbon black compounding for maximum traction.
Ultra wide tread contact with highly rounded shoulders for optimized footprint shape during high lateral loads.
Developed for quick autocross warm-up while maintaining race track durability.
With a W speed rating, the tire delivers an optimum run temperature of 203 degrees Fahrenheit.



For a good burn out, I usually rip fast in first for about a second or 2 then, lift to force shift to 2nd, then bury the pedal for 3-4 more seconds. (55-70ish I think)



Too much or not enough for these?


Going to my local track on opening day April 13 hopefully!:burnout:

[Zack]

It usually tells you on their website

[WPG_Merc]

would they be a good drag tire

[Limited360]

would they be a good drag tire


My thoughts too ...


Sent from my iPhone using Tapatalk so I may sound retarded.

[ctrlraven]

An autocross tire like that won't outperform a real drag radial or slick. Will they work better than an average street tire? Yes they will. The tread is designed for corning grip while also having a stiff sidewall, with drag racing you want a soft flexible sidewall.

[lji372]

So to clarify,
Going straight and hard you want to be flexible
Side to side better to be stiff

I will remember this....

Need to order tires myself. Thinking of going 555's on all 4 corners with widened rears since it's more of a daily. Hate making these decisions!!!!

[babbage]

would they be a good drag tire
not sure will find out!


My thoughts too ...


Sent from my iPhone using Tapatalk so I may sound retarded.



An autocross tire like that won't outperform a real drag radial or slick. Will they work better than an average street tire? Yes they will. The tread is designed for corning grip while also having a stiff sidewall, with drag racing you want a soft flexible sidewall.

Crap, you are right. well I was going to lower them to 28 pounds when at the strip so that might help a little. Plus I can just bolt these on at home and drive to my local track, can't do that with slicks...


So to clarify,
Going straight and hard you want to be flexible
Side to side better to be stiff

I will remember this....

Need to order tires myself. Thinking of going 555's on all 4 corners with widened rears since it's more of a daily. Hate making these decisions!!!!

Oh that's easy, as I have the Nitto 555 all around also, same size so I can rotate them! Just get a new set of rims for the drags? I thought you had extra wheels? ;)

[lji372]

Oh that's easy, as I have the Nitto 555 all around also, same size so I can rotate them! Just get a new set of rims for the drags? I thought you had extra wheels? ;)

i do indeed, rolling on an extra set of stock bfg's now.

ordered the 555's for the pvd'd wheels

[babbage]

i do indeed, rolling on an extra set of stock bfg's now.

ordered the 555's for the pvd'd wheels

They are a great summer tire. When it's above 50F for a while I put those on.. Can't wait for it to warm up!

[lji372]

They are a great summer tire. When it's above 50F for a while I put those on.. Can't wait for it to warm up!

i here that

i drove on the 555r's last year in the wet and chilly weather. just used extreme caution. but nothing left of those, looking to get more life since i drive this quite a bit in good weather.

[WPG_Merc]

What brand of Drag tires are good for the stock 18 by 8 rims.
Evan on the street I am slipping at any speed. :eek::eek:

[Vortech347]

An autocross tire like that won't outperform a real drag radial or slick. Will they work better than an average street tire? Yes they will. The tread is designed for corning grip while also having a stiff sidewall, with drag racing you want a soft flexible sidewall.

Exactly.

However, I switched to NT-05's on my fox for open track auto-x and they are some sticky bastards. They'll hook in second gear. Usually it takes a dedicated drag radial for me to get that result. But nothing ever hooked on my car like a Mickey ET Drag Radial on the street. I could put down full power in 1st.

The burnout is not something you time with any kind of thought. Its how it feels. You'll know as you roll out of the burnout when it "grabs" if you did it right.

[chief455]

I experienced what others have said:
MT drag radial with ~17psi best hook from a 'street' tire.
MT ET Streets have grooves to fit street tire class, but don't really drive well on street corners. I got the same 60' with an ET Street as a new MT drag radial.
The tires shown by OP are not drag radials, but a cornering track tire.

Trouble we have is getting as small a rim to fit rear brakes to allow as much sidewall for launch, and be able to get a tire size they make.
15" would be the best, 16 or 17" probably what will fit over our rear brakes - I don't know.

I would not buy an 18" tire and expect it to hook like guys with 15" tire and tall sidewalls, won't happen.
Even 17" MT drag radials or Nittos are challenged to bite.

Watch guys with drag radials, including me, go around the water box, do a small dry burnout and get a better 60' than after heating them up.
Try it - sometimes it works.

[Triple Threat]

I experienced what others have said:
MT drag radial with ~17psi best hook from a 'street' tire.
MT ET Streets have grooves to fit street tire class, but don't really drive well on street corners. I got the same 60' with an ET Street as a new MT drag radial.
The tires shown by OP are not drag radials, but a cornering track tire.

Trouble we have is getting as small a rim to fit rear brakes to allow as much sidewall for launch, and be able to get a tire size they make.
15" would be the best, 16 or 17" probably what will fit over our rear brakes - I don't know.

I would not buy an 18" tire and expect it to hook like guys with 15" tire and tall sidewalls, won't happen.
Even 17" MT drag radials or Nittos are challenged to bite.

Watch guys with drag radials, including me, go around the water box, do a small dry burnout and get a better 60' than after heating them up.
Try it - sometimes it works.

I use 15in. Weld rims on the purple car.There is no problem with fit on stock rear brakes.

[chief455]

I use 15in. Weld rims on the purple car.There is no problem with fit on stock rear brakes.
:coolman:

there you go then. If I were to street/strip my car, I'd get said 15" rears with 26" or 28" tall MT drag radials to stay in 'street' class = no roll cage required until into the 10's.
Swap wheels at the track.:P