[V8Vairs] Crown Springs

[Paul Strohl]

Hello chris i am using a stock corvair single reservior brake master cylinder as a clutch master cylinder and i am using a HOWE hydraulic throw out bearing. the howe throw out bearing directions say to use a master cylinder with up to a 3/4 diameter. what is the size of the corvair single reservior brake master cylinder? is it bigger than 3/4 of an inch? my howe  throw out beraing just recently started to leak and i am wondering if the master cylinder is too big, can you advise me? thanks in advance paul also will you be attending the fan belt toss in palm springs end of october? paulstrohl at yahoo.com

Chris Wills <cjwills at msn.com> wrote:  Toby,

Are you sure that the Crown springs are stiffer?

I measured my Crown springs, and they are 0.510 also, but have more coils, 
and calculate out a softer than stock. They just look beefier...

Chris Wills


>From: "Brown, Douglas T CIV NAVAIR DEPT" 
>Reply-To: discussion of non-stock engines in Corvairs 
>To: 
>Subject: [V8Vairs] Crown Springs
>Date: Fri, 15 Jun 2007 13:34:35 -0700
>
>I have a Corv-8 with what I believe are Crown springs. The front and
>rear both sit higher and are stiffer than the stock springs. I measured
>the front spring wire diameter compared to the spring wire on my Corsa.
>The V-8 springs are .510 diameter and the Corsa front springs are .450
>diameter. The front V-8 springs are so tall and stiff, the A-arms rest
>against the overtravel bump stop. I'm sure cutting them one or two
>coils changes the way the spring mounts in the spring perch, as well as
>the spring rate.
>
>Frank Parker sent me a very nice sheet of formulas and measurements to
>determine exactly what I need if I could get my car to a truck scale to
>measure corner weights, and order custom springs. I won't be able to do
>that for some time, so I was wondering what others have done. Any input
>appreciated.
>
>Toby Brown
>_______________________________________________


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