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Do I need Z rated tires or are H rated ok on 86 Turbo?

I just purchased a 1986 Turbo which needs tires. I will not be racing the car and I really don't expect to take it much over 100 MPH at any time. The car will be driven in rain and maybe in some light snow. Is an H rated tire with an M and S rating better for me than a Z rated tire? Thanks for all of your repsponses -

Jeremy

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Old 08-29-2003, 09:57 AM
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Unless if you drive like a nancy, get z rated or higher. H's are dangerous on that kind of car, plus it will handle like crap!
Old 08-29-2003, 11:10 AM
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I don't know that H's would be dangerous in a daily driven situation. It's not like we have an autobahn here, nor do we often exceed speeds of 100, much less 130.

Biggest issue with H's, some tire company's will void the manufacturer's tire warranty if the improper rating is used on a certain car.


I'd probably agree on the handling though.
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Old 08-29-2003, 03:33 PM
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Get some Kumhos, heck they would be cheaper than a lot of H rated tires..........
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Old 08-29-2003, 03:33 PM
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They're dangerous because you're coupling them with 220+hp motor vs. most cars that use H series only have around 1/2 that. Very soft sidewalls and poor traction compounds tied in with a stiff suspension with moderate HP is a dangerous situation.
Old 08-29-2003, 06:06 PM
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I dunno, I'd still have to debate the dangerous situation of the Z vs. H rated tire. My GTP with 240hp and ~260lb.ft. of torque rolled off the assembly line with H rated tires, and that seemed fine for the boys in detroit when coupled with a 112mph governor. That boils down to a much heavier, and more powerful car than a 951, yet safe on H's.

But like Kgain968 mentioned, why even bother finding H's when Kumho ECSTA's are dirt cheap and Z rated and usually traction AA to boot.

The only other advantage I see to H's, is longer tread life and warranty, but you won't find any of them rated as AA, nor are they ever in truly sticky compounds.
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86 Red 951 - Turbo Twists, otherwise stock for now
83 Black 944 w/86 951 front end - still down and out, but coming back slowly.
02 Altima SE 3.5 - grocery go-getter
00 Yellow Ducati Monster 900i.e. 88 Chrysler Conquest TSi
Old 08-29-2003, 06:44 PM
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I now have H rated tires on the front because they are the ones that came with my new set of wheels. The ride quality is SOOOOO much worse than on my old V-rated ones, and the tires squeal around the most piddling corners. I am buying NEW high-rated tires soon
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Old 08-29-2003, 08:57 PM
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Get Y rated tires. They pwn anything else. I started off with Z rated Yoko AVS intermediates on my bimmer. Then upgraded to the best dry gripping tires made with the best price - the Kumho Mx with the Y rating. Also helped I was running 17s with 225s in front and 245s in the rears (rear rims were 1" wider, a lil more understeer but car stayed planted better). The Kumho MX were simply the BEST TIRES EVER! I thought the Yoko AVS Intermediates (a fav amongst autoxers) was grippy - the Kumho BLEW them away. Now I've downgraded to Michelin MXV4 Plus - longer lasting and quieter and also better in wet traction. But horrendous in terms of grip. Price was also damn high - almost as much as the Mx!!! But they'll last a ton longer.
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Old 08-30-2003, 02:31 AM
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You're car requires V or higher.

You will lose your cars handling as well as the braking distance if you go to a lower speed rated tire. You may not think that is important now but when that deer runs out in front of you and you have to swerve and/or stop...
Old 08-30-2003, 03:55 AM
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There are several Z rated tires that are all season. Check www.tirerack.com. As long as you stay out of deep snow, you will be ok.
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Old 08-30-2003, 03:49 PM
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what do you guys think is the 'best fit' for a 944NA with 15-7 cookies? It looks like 225/60/15 is the largest size offered that has a variety of tires to choose from...
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Old 08-31-2003, 06:58 AM
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225/60r15 will be taller than stock size...just something to consider if you don't like seeing a lot of black rubber in the fender
Old 08-31-2003, 08:28 AM
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and we all know stray is a tire expert!!!!!

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Old 08-31-2003, 09:40 PM
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