Sounds like your spindles might not be adjusted properly, or you
didn't get the brakes bedded.
On May 19, 2009, at 7:36 AM, toodamnfunky@comcast.net wrote:
> Glen,
>
> The suspension checked out fine, nothing out of the ordinary and yes
> I run the
> stock calipers.
>
> The bias is set to 60 -B 65% front. The soft pedal was determined to
> be the
> front circuit
>
> but using a half dozen different methods to bleed dual circuit
> brakes I
> couldn't get
>
> the slack out of the front master.B Last thursday I bledB the brakes
> and I had
> a great pedal.
>
> It engaged both circuits right from the top of the strokeB but got
> progressively worse after
>
> test & tune on friday. No fluid is leaking anywhere but lost almost
> 50% of my
> effective
>
> pedal travel. I also cleared the lines of all my old fluid and put
> in new (
> castrol)B last week.
>
>
>
> jg
>
>
> ----- Original Message -----
> From: fubog1@aol.com
> To: toodamnfunky@comcast.net
> Sent: Tuesday, May 19, 2009 8:03:32 AM GMT -07:00 Chihuahua / La Paz /
> Mazatlan
> Subject: Re: [Fot] Alighnment killed my TR4 rotors?
>
> you may have 2 separate issues, brake & suspension.
> Could something in the suspension be causing excess bump-steer?
> Possibly too much front brake bias, ie overworking fronts? I assume
> you
> have Girling 16 calipers?
> HTH
> Glen
>
>
> -----Original Message-----
> From: toodamnfunky@comcast.net
> To: fot <fot@autox.team.net>
> Sent: Tue, 19 May 2009 9:49 am
> Subject: [Fot] Alighnment killed my TR4 rotors?
>
>
>
>
>
>
>
>
>
>
> Greetings FoT,
>
>
>
> B
>
> This past weekend the RMVR had itbs inaugural race at High Plains
> Raceway.
>
> Over the course of three days I absolutely thrashed what started out
> as
> pristine
>
> front rotors. Day one I noticed the car was skittish under heavy
> braking, then
>
> my brake pedal got soft. Several attempts to bleed them were made with
> no
> luck.
>
> During one of those attempts I notice my front tires were heavily worn
> on the
>
> inside edge. I checked my front alignment and I went from my standard
> 1/8b
> toe
>
> out to 5/8b toe out. I must have upset the steering rack during my
> last
> engine change.
>
> I use a dual circuit tilton pedal, Porterfield vintage pads and Uncle
> Jackbs
> spindles,
>
> 2.5 degrees negative camber and two Spit clutch masters for both front
> & rear
> brake circuits.
>
> Is it possible that with the alignment so far out, an eccentric load
> was put
> on the rotors?
>
> Ibve run three races on these pads including an enduro with no
> abnormal wear
> issues.
>
> The pads nowB show signs of spider web cracking through out all four
> pads.
>
> Has anyone else ever had this experience?
>
> Any advice would be appreciated.
>
> Jim Gray
>
> RMVR # 102
>
>
>
> PS This new track is fantastic, if any of you get the chance to come
> out and
> race with us
>
> you won't regret it.
> Fot mailing list
> Fot@autox.team.net
> http://autox.team.net/mailman/listinfo/fot
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