Sumitomo HTR Z tires?

maro z28
07-18-2006, 01:05 PM
Am looking at this tire on wheel + tire package for $1600. 17x9.5 w/ 275/40r17front, 17x11 w/ 315/35r17 in rear. Treadwear=160, traction and temp+A. Can I hear anyone's experience with these or similar tires. P.S. what does the 160 treadwear mean? Thanks!
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BigDB
07-19-2006, 01:15 AM
the lowwer the number in tread wear the faster they will wearout, usally means a softer compound. The 160 in the tire world means that these tires lasted 1.6 times the test tire from sumitomo. If the tread wear was 300 it lasted 3 times as long as the test tire. this is tested by the manufactured on a road simulating machine

Zack
07-19-2006, 01:49 AM
my buddy put them on his ls1 z28. says they are no better than his bald 712s he had

Zack
07-19-2006, 01:51 AM
my buddy put them on his ls1 z28. says they are no better than his bald 712s he had

teke184
07-19-2006, 08:59 AM
most people i've talked to say those tires SUCK hard.

for the most part, with tires...you get what you pay for.

and tires are the first thing to think of when you want traction....so do yourself a favor and get something good.

i'll never buy cheap or crappy tires again.

blackztpi
07-19-2006, 11:21 AM
i have had good luck with htrz 2's, but never tried the htrz. the 2's hook okay on my cam only cam. work pretty well i'd say. for 315's though, i can buy 2 sets of hrtz's for the price on one good set of "good" tires. there's no doubt they are better but i'm not paying 250 a tire!!

LT1Mike
08-01-2006, 03:12 AM
the htrz are good tires... i have no problems with them at ALL... the II i havent tried.. but for the money man you cant beat em.. and i HOOK in street... but ehh

kick Z tail out
08-01-2006, 04:30 AM
I have the HTRZ IIs. They are great tires for the money. Straight line traction is very good. They seemed to have a little less bite in the corners though, but I only recently got my suspension into an acceptable state; so I need to try it again in the twisties so I can give them a fair shot.

Overall, great tires. Not world class, but definitely great value for the low price tag.

blackztpi
08-02-2006, 12:58 AM
yeah, i'm definately going with 315 htrz's because i can get a pair for 214 versus paying 500-550 for a pair of goodyears or whatever. although, the goodyears are supposed to last about twice as long. Anybody know is you can get the htrz 2's in 315/35/17? i can't find them on the trierack.

Zack
08-02-2006, 02:51 AM
yeah, i'm definately going with 315 htrz's because i can get a pair for 214 versus paying 500-550 for a pair of goodyears or whatever. although, the goodyears are supposed to last about twice as long. Anybody know is you can get the htrz 2's in 315/35/17? i can't find them on the trierack.
but the goodyears are gonna be LIGHTYEARS ahead of the in every aspect

its your car....

Greed4Speed
08-02-2006, 11:12 AM
This seems like it gets hashed out bi-monthly.

Those of us who have used cheap tires and then tried good tires say we won't go back. Those who haven't can only say they're good for the $ which means they compromised performance for cost.

IMO, why even mod your car if you're just going to go cheap on tires and limit your performance that way? Might as well put a large cam in your engine with stock exhaust. From personal experience, I'd stay away from any tire that can be equally compared to the Kumho 712.

You want a good tire that isn't expensive. Look at the Kumho MX.

At least this time no one is saying the HTRZII is the same tire as the GY GSD3 and that Sumi owns GY. ;)

cabe_z28
08-08-2006, 01:32 PM
i just bought some HTRZ's for my bullet wheels, and they are decent.

nothing special, the only reason i bought them was the price.

for Z rated tires, they are cheap.

Zack
08-09-2006, 12:46 AM
ive said before, my buddy said the sumitumos were as bad in 315 form as his bald ass 712s in 275 form

Birdman7389
08-09-2006, 01:16 AM
Spend an extra $25 a tire, and get the BFG G Force Sports from DTD. I could not be happier, these are the best tires I have ever had. I like them more than my KDW's...not to mention Kumho 711's or 712's

MTBeni
09-30-2006, 10:50 PM
Just to add to this, from drag strip prospective. With stock suspension, stock converter and mods in sig I was getting 2.12 60fts. With the 3000 stall and no front sway bar, I can get consistent mid 1.9X 60s. Best is in sig. With great track prep, Im sure I could nail a high 1.8. BTW, these tires need alot of heat to work at the track. Most people say not to bother a burnout with street tires, but then again most people are cutting 1.9s either. Each tire is different.

turbotko
10-06-2006, 05:50 PM
Hell, i got em on my TA. They look pretty good and do well in the rain. Dry traction is about as good as any other street compound tire. There may be some better handling tires out there but I don't normally road race the TA anyway.

IMO, almost all street compound tires hook the same in a straight line. You want straight line traction, get some DR's.

I say go for it. Get em. As hard as most of our cars are on rear tires it doesn't matter which tires you buy......they ain't gonna last long. :D

1995greenTA
10-08-2006, 05:31 PM
I have these tires now, and have run the nitto 555's ecsta mx's and the 712's in the past. I would pick these tires over any of the above three.

Those of you saying you suggesting a expesive, better performing tire, i just dont understand this. If your worried about traction, run a drag radial for $150

If you dont want to run a drag radial because its a dialy driver, why the hell do you care so much about traction? Are you racing between stop lights or what?

MTBeni
10-08-2006, 09:07 PM
See my sig for 60ft times. I dont worry much about handling.

Greed4Speed
10-08-2006, 09:55 PM
If you dont want to run a drag radial because its a dialy driver, why the hell do you care so much about traction? Are you racing between stop lights or what?

Because as a daily driver I need something that'll handle rain and last longer than 6 months, which a DR won't. With a cammed LS1, I need something that won't spin as easily as a low cost radial. I also like to handle well. I've also seen the amount of balancing needed for cheap tires. Better traction also means better braking.

I've seen 60's like those from stock tires. Track prep makes a huge difference. I rarely go to a track anymore, so for me the benefit of a tire with better traction on the street means more.

I didn't spend the time and money making my car faster, handle and brake better to limit all that with cheap tires. IMO cheap tires are like running the cheapest oil, cheapest fuel, cheapest clutch, cheapest brake pads, etc.

If you're happy with them, then great, but I know they'll limit my car so I won't spend the cash on them.

1995greenTA
10-09-2006, 11:32 PM
Because as a daily driver I need something that'll handle rain and last longer than 6 months, which a DR won't. With a cammed LS1, I need something that won't spin as easily as a low cost radial. I also like to handle well. I've also seen the amount of balancing needed for cheap tires. Better traction also means better braking.

I've seen 60's like those from stock tires. Track prep makes a huge difference. I rarely go to a track anymore, so for me the benefit of a tire with better traction on the street means more.

I didn't spend the time and money making my car faster, handle and brake better to limit all that with cheap tires. IMO cheap tires are like running the cheapest oil, cheapest fuel, cheapest clutch, cheapest brake pads, etc.

If you're happy with them, then great, but I know they'll limit my car so I won't spend the cash on them.

I dont see the point in spending the time and money making your car go faster, handle and brake near the limits if its a dialy driver. If your beating on your car that hard on the streets you probably should have your liscenses taken away. If you want to build a car to beat on, take it to the track, being autox or strip, keep it off my streets atleast. I've never had problems locking up my tires, or sliding around corners with crappy street tires, or my cheap 315's. Maybe im just a more refined driver? Just my opinions but who the **** am I ? I just dont see the point in pushing your car to where your tires are limiting it on the street?

Lt1 and Ls1
10-10-2006, 04:26 PM
I have them and I really like em, especially for the price.

Greed4Speed
10-11-2006, 11:08 PM
I dont see the point in spending the time and money making your car go faster, handle and brake near the limits if its a dialy driver. If your beating on your car that hard on the streets you probably should have your liscenses taken away. If you want to build a car to beat on, take it to the track, being autox or strip, keep it off my streets atleast. I've never had problems locking up my tires, or sliding around corners with crappy street tires, or my cheap 315's. Maybe im just a more refined driver? Just my opinions but who the **** am I ? I just dont see the point in pushing your car to where your tires are limiting it on the street?

No need to get all pissy and defensive about your purchase. You asked a question so you got a reply. Not my fault if it didn't conform to your line of thinking.

Think about traffic. Someone pops over in your lane or there is something in the road ahead of you, or a wreck happens next or in front of you, on the highway while your're going 75 mph and you have to swerve. Don't you want something that'll respond quickly when inches can be the deciding factor between wrecking or being ok? Some one jambs on their brakes in front of you. Don't you want something that'll help you brake faster? Don't give me the crap about leaving more space either. Drive around here and do that and you'll be going backwards. How about if you're leaving a parking lot and you have to cross traffic to get on your way and no one is slowing down to let you out. So now do you want cheap tires that are going to spin easily? Bet the extra $50-75/tire would be worth it if you knew you'd avoid a wreck with better tires. Think of it a cheap insurance if you want.

I don't beat the hell out of my car (if I did my KD's would have never lasted a year and a half only getting replaced because one got punctured too bad to repair), but when I feel the need or desire to push it to the limits then I want it to go to it's limits and not be held back just because I bought some cheap tires. Plus if I did frequent tracks much, I wouldn't want to mess around with having to change wheels. And when I do run at the track, I run the car exactly as I drive it, and that is in FULL street trim.

Think about it. What is the ONLY contact your car has with the ground? That would be tires. If you're REALLY as concerned about driving safety as you're trying to pass off, do you REALLY want to go cheap there? Like I said, its like running cheap brake pads. You do get what you pay for. Saying they're "good for the price" is saying you compromised performance and SAFETY.

1995greenTA
10-12-2006, 11:14 PM
I wasnt getting pissy, just arguing with you in a friendly manner. But if i am ever in one of those situations that you were speaking of, I sure as hell hope im not in my truck, cause ill be dead anyways wether or not my car has $50 or $1000 tires on it. I also feel sorry for everyone else in the same situation that isnt driving a race car cause they will sure as hell be dead along with me :D

SS1156
02-15-2007, 01:12 AM
I'm having a hard time finding many different tires in 315's. It seems you either get a low cost tire or spend the mother load. I don't see much in the middle. I don't drive my car everyday but close to it and I can't afford GS D3's, although they are an awesome tire, I just can't drop the dough. Does anyone have any suggestions? Who all makes a street 315? Not a DR.

teke184
02-15-2007, 09:23 AM
you pretty much hit the nail on the head.

a crappy tire or a high perf tire...not much in the middle. i don't think there is a market that warrents any middle ground. if you run a tire that big...you probably want a good tire.

SS1156
02-15-2007, 10:39 AM
yeah but, the GY gs d3's are outragous. There should be some type of middle ground. I have Kumho's and hate them. I'm going to see if Falken makes anything because I get good deals on them.

Greed4Speed
02-15-2007, 10:07 PM
Ask yourself why you want this size tire.
If you answer looks, then get the cheap ones. They're black and round just like any other 315.

If you answer performance, then you tend to have to pay to play.

Actually if it is for performance, the 275 40 17 would be a better sized tire. Little taller sidewall, but not too tall so it'll flex around corners. Plus a little less weight for your engine to have to move. A 315 will not give you much if any over a 275 in traction and with the extra cost of the tires you could do some suspension mods.

maro z28
02-16-2007, 12:01 PM
Didn't I start this thread like a year ago? Son of a bitch, I've been through 2 car, 10k in mods and about fifty thousand different ideas, questions and posts since then. Kinda funny lookin back at some of your own threads.

87DJP2001
02-17-2007, 11:10 AM
Just so there is no confusion about Sumitomo tires there are two z-rated:
HTR Z Poor
HTR Z II better performace tire for the price

I don't think people are aware they are different tires. My opinion.

transam_388
02-18-2007, 12:59 AM
i have a 90 camaro with 4.56 gears and auburn pro-series posi, 355 sbc. when warm they hook up fairly well but u have to warm them up is the key

INSANEZ
02-18-2007, 06:31 PM
I ran them before I sold the rims, I thought they are awesome. When they are hot they stick great due to the extremely soft compound. If you are looking for a daily driver tire, go for it, in the rain they are o.k. If it is cold out they are not a good as most others, but for the price, they are worht it, buy them. By the way I got 40,000 miles out of them on my Z.

davethomas
02-17-2008, 01:40 PM
I just purchased a 1993 z28 that was driven by an 82 year old woman, and it had some side damage to it and fading paint. I'm getting it repainted for 9K and now I want to add some Zr1's.

The package I found with these rims have the Sumitomo HTRZ's. My question is, for a once in awhile driver, no mods, will this tire be ok. I don't want to race the car and the only mods I will be doing is exhaust, CAI, suspension and maybe a CAM in the future.

Thanks,

Greed4Speed
02-17-2008, 07:06 PM
They'd be fine just for cruising. If thats all you're doing, then something with higher treadwear would be better IMO.

My questions is how would an 82 yr old woman get in and out of a 4th gen? She must have been relatively agile still. Most people half that age bitch and moan about getting out of these cars.

davethomas
02-17-2008, 08:53 PM
it only had 40K miles on it.

The real question is, what is a 67 year old doing buying a brand new 1993 z28?

Super Granny?

rgenzmer
03-18-2008, 10:15 PM
Got Cragar SS 612s Mags custom made and 275s front and 315s on rear GY GS D3s on my 2002 SS Camaro. Yes, spent 2600 for tires and wheels but I have spent $2600 on whores and booze in my life and the whores are long gone and I peed the booze down the curb of the street.

My point, choose your investments wisely.

kick Z tail out
03-19-2008, 09:40 AM
Got Cragar SS 612s Mags custom made
Just out of curiosity, what is custom about those wheels? They're mass produced...


By the way- I think they're polished aluminum. Nobody makes magnesium wheels anymore. :p