Anytime Mark. Lister gets about a weekend and a half out of a set of tires.
Very little rubber buildup.
Our TC, on Dunlops with no limited slip, driven reasonably hard gets no
rubber buildup. Regards John
----- Original Message -----
From: Mark Palmer <mgvrmark@hotmail.com>
To: <vintage-race@autox.team.net>
Sent: Tuesday, November 09, 1999 4:03 PM
Subject: Re: Fw: Hoosier characteristics (bias)
> Greg,
>
> All good advice but may be easier said than done. I raced my MGA with a
> stock 1500 engine, and open diff, for a few years. I found it very, very
> difficult to maintain a discernable drift, even with the skinny 5.00-15
> hard-compound Dunlops (which are bias ply). Just not enough torque
> available, for a relatively well-balanced chassis. I used to get some
> rubber build-up on the tires, but not as bad as you're experiencing.
>
> I suspect your Hoosiers might be wider than my Dunlops, maybe softer, and
> offer even more grip on a car with even less power, making it that much
> harder to drift.
>
> You might want to take your tires to a local retreading shop, or race tire
> shop, and have them shaved just a tad to remove the gloppy bits.
>
> You'll find it much easier to drift the car once you have a bit more
> horsepower for the chassis, and (especially) a limited slip.
>
> John will now lend me the Lister while I demonstrate ... right?
>
> Regards,
> Mark Palmer
> MGA #185 (but still not as sideways as I wanna be!)
>
>
> >From: "JOHN HARDEN" <JOHN.HARDEN@worldnet.att.net>
> >Reply-To: "JOHN HARDEN" <JOHN.HARDEN@worldnet.att.net>
> >To: <vintage-race@autox.team.net>
> >Subject: Fw: Hoosier characteristics (bias)
> >Date: Tue, 9 Nov 1999 13:55:49 -0600
> >
> >Brian is correct. We have the same problem with Dunlops on heavier cars.
> >You
> >must drift the car thru the corners if you want to keep the buildup off
the
> >tires. regards, John
> >
> >
> >
> >----- Original Message -----
> >From: Brian Evans <brian@uunet.ca>
> >To: <Gregory_Schulz@mil-elect-tool.com>; <vintage-race@autox.team.net>
> >Sent: Tuesday, November 09, 1999 1:33 PM
> >Subject: Re: Hoosier characteristics (bias)
> >
> >
> > > This may or may not be what you want to hear, but...you're probably
not
> > > driving fast enough! Racing tires do tend to pick up rubber, but if
you
> > > get to where you're cornering consistently with a reasonable slip
angle
> >on
> > > the tire, the build up won't build up, so to speak. The tires will
> >start
> > > to show an even graining across the tread instead. The rears are
> >probably
> > > better than the fronts now because you're spinning the inside rear
> >coming
> > > out of corners.
> > >
> > > Another indication is that you've got 7 events on them and still have
> > > "healthy" tread. Many guys will be buying new tires before 7 events
> >have
> > > gone by! So next year, you have a new goal - wear out your tires!
Even
> >a
> > > lower powered Spridget can still have quite respectable cornering
speeds
> >-
> > > just don't use the brake as much ;)
> > >
> > > Cheers, Brian
> > >
> > >
> > > At 01:42 PM 11/09/1999 -0500, Gregory_Schulz@mil-elect-tool.com wrote:
> > >
> > >
> > >
> > > >Well, the bugeye is just about ready for winter storage. My first
year
> >of
> > > >vintage racing with VSCDA up here in the Midwest was better than
> >expected: 7
> > > >events with no "dnf's" and only one "dns". I wasn't very fast running
a
> > > >modestly
> > > >prepped 948, and I kept an open 4.22 rear in the car at every track.
> >But
> > > >we got
> > > >what there was out of the car by season's end, had a blast living out
a
> > > >childhood dream, met alot of good folks, and that adds up to a
> >successful
> > > >season
> > > >for me.
> > > >
> > > >But, there's always something a (new) guy just doesn't get.
> > > >
> > > >I ran Hoosier A70-13 Street TD bias tires this year. I was pleased
with
> >their
> > > >general on-track performance, but it was the condition of the tires
> >after
> >the
> > > >race sessions that distressed me the most. It never failed that by
the
> >time I
> > > >got back to the paddock I had a terrible build-up of rubber on the
> >tread
> > > >surface. At Road America, where there are 3 brutally long straights,
> >vibration
> > > >was a definite problem. Even at shorter tracks with modest straights,
> >similar
> > > >unwelcomed vibration was a problem due to this build-up. It seemed
that
> >I
> > > >could
> > > >scuff most of it off the rears during a session, but the fronts never
> >really
> > > >cleaned up very well. In-between sessions a knife worked well for the
> >bigger
> > > >chunks, but that persistent layering...
> > > >
> > > >I looked at them last weekend as I carried them down to the basement:
> >complete
> > > >rings of this stuff go around the entire circumference of the tires
in
> >erratic
> > > >thicknesses from 1/16 to over 1/8". I thought to myself 'these
suckers
> >aren't
> > > >even round anymore'. They were brand new this spring and have healthy
> >tread. I
> > > >can't imagine anything I could do to them would be worthwhile. Do I
> >need
> >to
> > > >rotate front to rear/rear to front between sessions next year (since
> >the
> >rears
> > > >do clean-up a bit)?
> > > >Any thoughts from experienced Hoosier users?
> > > >
> > > >Thanks,
> > > >Greg
> > > >'58 A-H Bugeye #517
> > > >Cedarburg, WI
> > > >
> > >
> > > Brian Evans
> > > Director, Global Sales
> > > UUNET, An MCI WorldCom Company
> > >
> >
> >
>
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