Intermediate tires

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halifax
Posts: 7
Joined: May 26th, 2009, 8:51 pm

Intermediate tires

Post by halifax »

Anyone care to weigh in on the options for intermediate wet/dry tires since Hoosier and Goodyear don't make them anymore? Do worn rains have any value as intermediates? In a conversation with the Goodyear guy at WGI in July, he said that a compound softer than R45 is used in intermediate tires. Hoosier/Mr. Sharp said that he would cut a set on request. Anyone do this or think about having it done? How do they compare with rain tires? Applied, let's say you are on lap 5 of a 20-lap race when the track goes dry .... do you dare wreck a new set of rains and stay in it or ? Any opinions here, including 'don't worry about it'?
Thanks!
Harry
No. 8 Lynx/B
hardingfv32-1
Posts: 1014
Joined: December 1st, 2006, 8:01 pm

Re: Intermediate tires

Post by hardingfv32-1 »

A few questions to ask yourself before investing in intermediate rain tires:

How often do you have a rain session?
How often do you correctly choose rain tires before the session starts under changeable conditions?
Are you a very good rain driver?
Does it matter that you are competitive every session or race?
Do you even belong on coarse with a bunch of AMATEURS in the rain?

Remember these rain tires will not last forever, do you have the budget to replace a set of tires that seldom gets out of the trailer?

Brian
brian
Posts: 1348
Joined: June 26th, 2006, 12:31 pm

Re: Intermediate tires

Post by brian »

I have found that intermediates, factory made and groved, don't really work that well. They are a compromise at best. If the conditions are changing, I try to guess in which direction, wet vs dry, and choose the appropriate tire then let the track come to me. You'll have to be patient waiting for the right conditions. Remember, "the winner of a rain race is not the fastest car but the one that makes the least errors". An intermediate tire will be a challenge for the entire race in changing conditions.

Can't really say that we Californians are that good at rain racing. Summer rains out here are as rare as a balanced state budget.
The above post is for reference only and your results may vary. This post is not intended to reflect the views or opinions of SCCA and should not be considered an analysis or opinion of the rules written in the GCR.
Matt King
Posts: 304
Joined: December 23rd, 2008, 1:44 pm

Re: Intermediate tires

Post by Matt King »

What about hand grooving a set of soft compound tires, like Hoosier 45s?
billinstuart
Posts: 201
Joined: July 17th, 2006, 8:53 pm

Re: Intermediate tires

Post by billinstuart »

OK..here's the trick after 25 years. Take your narrowest set of tires, pump 'em up to 25-30 lbs., and stay out of the puddles.

If you really NEED rains, do you want to be out there?
tiagosantos
Posts: 389
Joined: June 20th, 2010, 12:10 am

Re: Intermediate tires

Post by tiagosantos »

I'd rather it be dry, but when you drive somewhere like BC where 2 or 3 out of every 6 races are wet races, you kinda have to get out there and try to enjoy the rain :)

That said, Brian (Harding) makes a bunch of good points, and personally - when it starts raining, I don't care anymore, I'm just having fun sliding around, whether on slicks or rains haha. Actually, not much different from when it's dry! :lol:
smsazzy
Posts: 703
Joined: June 24th, 2006, 5:56 pm

Re: Intermediate tires

Post by smsazzy »

What about "shaving" a set of used rains? Like the SM guys do with their Toyo's, or whatever they run these days?
Stephen Saslow
FV 09 NWR
FV80
Site Admin
Posts: 1195
Joined: June 27th, 2006, 9:07 am

Re: Intermediate tires

Post by FV80 »

IMHO, worn down rains are pretty much worthless on a drying track - at least the Goodyear dogbone type. The carcass is too pliable and squishes around way too much. Grooving a set of slicks (the softest you can find) is your best bet but will still leave a lot to be desired. I've seen people groove slicks with 2 or 3 sessions on them and I would consider that worthless as well. If you want your intermediates to perform in the wet at all, then you need to groove FRESH RUBBER. They will also harden up after the first use on a relatively dry track. They should continue to work OK on a pretty dry track, but will become worthless on a WET or completely DRY track pretty quickly.
YMMV,
Steve, FV80
The Racer's Wedge and now a Vortech, FV80
brian
Posts: 1348
Joined: June 26th, 2006, 12:31 pm

Re: Intermediate tires

Post by brian »

Grooving is similar to siping both increase heat and wear. Not sure of the spelling but siping is a process of slitting the tires with a sharp knife about 1/8" deep. It's a trick to make a slick work on a really cold day. It's hell on durability but will get th etire up to temp. As ling as my vision is ok I love to run in the rain. It makes me feel like the vee has real hp. :P
The above post is for reference only and your results may vary. This post is not intended to reflect the views or opinions of SCCA and should not be considered an analysis or opinion of the rules written in the GCR.
sharplikestump
Posts: 183
Joined: January 12th, 2009, 2:28 pm

Re: Intermediate tires

Post by sharplikestump »

Back about 15 years ago, I bought up most of those original Hoosier 45s (the ones that were so soft they were pickng up the track rubber at speed at the Mid Ohio Runoffs). I came up with the brainstorm that they would make great inters. Bought me a grooving tool, and got after it. Had em back at Mid Ohio the next year, and when conditions seemed perfect for them, one of the fast guys told me I could name my price. I balked, and then used them sometime the next year on a wet track that seemed perfect for them. Wasn't the case...think I got my butt kicked by guys that were running rains and other guys that were running slicks.
Mike
ajax
Posts: 131
Joined: July 4th, 2006, 9:22 pm

Re: Intermediate tires

Post by ajax »

Both Hoosier and Dunlop make vintage Vee tires that are treaded, and work in the rain. They will not match rain tires in real wet conditions, but A set of 4 of their short tires might be faster then slicks in the wet? Anyone have experience with this option?
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