Re: Tires from Costco
From: Martin Stark (mstarkcopper.net)
Date: Mon, 15 Apr 2013 18:32:52 -0700 (PDT)
I believe we used urethane boat vanish.  The wheels were humongous Mickey Thompsons, and the rears were about 13"wide but only 15" in diameter.  They were one piece magnesium sand castings and the  tires would go flat overnight if the wheels were not sealed.  Most racers were using heavy tubes in their racing Goodyears.  IIRC a tubeless wheel+tire weighed about 30 lbs. 

At the track we would buy the reject Goodyears for about $20. each off the truck and run them on the street.  Of course we mounted them so that the "farm use only" stamp showed only on the inside.

On 4/15/2013 8:25 PM, LS wrote:
Did the Dow #7 do anything for air sealing???

Or was it corrosion resistance only?

LS
 



central
wines-spirits   est 1934

625 e street nw
washington, dc 20004



202-737-2800




From: Doug and Terri Anderson <dnt [at] dock.net>
To: LS <lashdeep [at] yahoo.com>
Cc: 'The FerrariList' <ferrari [at] ferrarilist.com>
Sent: Monday, April 15, 2013 8:20 PM
Subject: Re: [Ferrari] Tires from Costco

Ah ah ah – good one Martin.
 
Yeah – the RSR we crewed on was owned by Daddy Big Bucks.  One thing good I can about him racing is that he didn’t use his funds to buy a small private plane and take up piloting.  That bozo’s luck would have had him auguring into a crowded primary school during an assembly.
 
D. B. B. insisted on the use of the pretty and cheap (compared to smacking up a factory set of Fuch’s RSR wheels) BBS wheels.  You know the three piece wheels with two big O rings and 6 gazillion 5mm Allen screws and nuts?  Mess up one of those O rings and there is a new resealing party starting in 10 minutes and ya better show up at the track with 5 sets of Allen’s as they seemed to strip out too easy.  Maybe we just got cheap screws?
 
Ahhhhhh – there was a time - - -
 
Heh heh, not no more.
 
DOUG

 

From: Martin Stark [mailto:mstark [at] copper.net]
Sent: Monday, April 15, 2013 2:11 PM
To: Doug and Terri Anderson
Cc: 'The FerrariList'
Subject: Re: [Ferrari] Tires from Costco
 
Go back another 10 years and move the venue to the Northeast tracks.  We were running tube-type race tires tubeless to save the weigh and coating the magnesium race wheels with urethane paint to prevent air loss.
On 4/15/2013 1:01 PM, Doug and Terri Anderson wrote:
>> Rick notes “Nitrogen does not permeate the tire carcass as fast as air so it applies here as well for a vehicle that may have its tire pressure ignored for extended periods of time.”
 
Picture this – 1977, Laguna Seca Raceway, the spring 4 four hour enduro will be starting in an hour.  Race wheels with new race tires waiting to mounted on the Porsche RSR are beside the car the car facing up while we do last minute checks on brakes and suspension.  There is a very light mist falling and the tires are getting wet.  I look over at the tires and our new GO-GO-Goodyear’s are making white walls.  What the hell - - - - ?  Ayep, billions and billions and billions of little white bubbles foaming trough the ever thin sidewalls.  My my.
 
I notice George Follmer’s and Jim Busby’s tires, next to us, weren’t fizzing.  My my again.  At that time, N2 fills were still a Penske-isk Unfair Advantage.
 
DOUG
 
PS – One more spoof the public question:  When paying a bill using cash, ask them if they take Federal Reserve Notes.  Ya know, not even our post office will.  Alas.



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