Miata Mailing List: May 1994, Message #46
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   From: "Kate W. Hughes 607/974-3861" 
Subject: ....
   Date: Tue, 3 May 1994 08:22:55 -0400

    Questions about autocross??
    
    I am in the process of putting together a list of allowable Solo 
    IIStock modifications to the Miata, as well as their relative costs and 
    impacts on time.  I'm going to collect info from some of our faster 
    stock Miata drivers.  This is sort of my shopping list for 
    modifications to my car.  I'll share it when it becomes complete enough 
    to be useful.
    	So far, though, survey says that the two highest impact changes 
    that you can make are tires and driver's school.  Local good autoXers 
    agree that each is worth 2-4 seconds YMM(oc)V (your mileage may (of 
    course) vary).  Next on the list is the K&N air filter, then shocks.  
    I'm going to send this to Brian "Mr. Wonderful" of the FAQ, who has the 
    list of such questions maintained for our group.
    
    >>How about a quick survey of winning tire pressures on Yoko 
    >>205/55-14s.
    >>
    >>Stuart Strickland
    >>strick@merle.acns.nwu.edu
    
    I have been running about 32psi, but most fast MiatoXers seem to use 
    lower pressures than that, like 24's and 26's.  I haven't spent a day 
    with a tire Pyro dialing it in, and I'm going to BFG's this year, so 
    you might want to try those lower numbers, first.
    
    kate