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Re: Master-cylinder conversion.

To: Frank Clarici <spritenut@Exit109.com>, spridgets@Autox.Team.Net
Subject: Re: Master-cylinder conversion.
From: Jeff Boatright <jboatri@emory.edu>
Date: Wed, 28 Oct 1998 20:00:19 -0500 (EST)
In-reply-to: <3637BDDC.932DEFB4@exit109.com>
References: <006001be0365$8cea5420$3bd767cb@mikeg>
Reply-to: Jeff Boatright <jboatri@emory.edu>
Sender: owner-spridgets@Autox.Team.Net
So Frank, does this mean that I can bolt in a 68 and up brake MC into my
'65 Sprite? Is this a better/safer system (being dual) than what's in there
originally?

TIA,

Jeff

>Mike & Alan
>You are both semi correct. The MKII with disc brakes and MKIII (Sprites)
>63-66 used a 3/4" master which looks and fits the same as a Bugeye
>except the Bugeye and early 4 wheel drum models used a 7/8" bore master.
>The 3/4 bore works better on disc brake systems.
>1967 Spridgets still had a 3/4 bore master but with a separate clutch
>master, 1968 started the dual brake system which will bolt right in on
>the early cars with out modifications to the body.
>So 58 thru 66 are all interchangable, 67 is unique, 68 and up are all
>dual systems. (These are US model years, exact dates of vehicle
>manufacture may very by a few months)
>
>I hope this helps
>Frank
>
>Mike Gigante wrote:
>>
>> The MkIII sprite definitely doesn't have the dual hydraulics. I *think*
>> the MkIV started with the single and switched to dual - I'll have to double
>> check the change over to dual line.
>>
>> Sorry about the confusion. To be safe until the c/o point is clarified,
>> use a MkIII M/C
>>
>> Mike
>>
>> -----Original Message-----
>> From: Andrew Griffith <Andrew.Griffith@ReadRite.com>
>> To: 'Mike Gigante' <mikeg@vicnet.net.au>; Herold Faulkner
>> <faulkner@redshift.com>; spridgets@Autox.Team.Net <spridgets@Autox.Team.Net>
>> Date: Wednesday, October 28, 1998 7:39 AM
>> Subject: Master-cylinder conversion.
>>
>> >
>> >
>> > -----Original Message-----
>> > From: Mike Gigante [SMTP:mikeg@vicnet.net.au]
>> > Sent: Wednesday, October 28, 1998 2:50 PM
>> > To: Herold Faulkner; spridgets@Autox.Team.Net
>> > Subject: Re: Disk brakes, heater.
>> >
>> > If you are converting to disk brake front end, then I do think you
>> > should use the MkIII/IV rear brakes as well and the MkIII/IV master
>> > cylinder.
>> >
>> > *But aren't the MKIII/IV brakes a dual line system with a much wider
>> >master-cylinder/pedal box? How do you fit it in where a narrow one, from
>> the
>> >MKII, was without cutting up the fire wall?
>> > -Drew
>> > '62MKII w/ Toyota 18RG
>> >
>> > I have the Cabon/Kevlar pads and shoes (from Speedwell). they are
>> >the
>> > best brakes I have ever had on a spridget - even better than the big
>> >disk
>> > conversions.
>> >
>> > Normal pedal pressure is lower, ultimate braking force is higher,
>> >they
>> > seem almost fade-proof. They are expensive, but I think they are
>> >well worth
>> > it.
>> >
>> > The bad news is that at least the compound I have (race) eat rotors
>> >for
>> > breakfast if you use them on the road. Two rotors for one set of
>> >pads
>> > (but that was over 2 years). Since I have gone to single-use (track
>> >only),
>> > the rotor wear rate has been must more reasonable.
>> >
>> > The local guy I have spoken to has two compounds - street and track.
>> >I've
>> > ordered a street set for my road/rally bugeye. He tells me that the
>> >street
>> > set
>> > will fade if used on the track, but do not chew the rotors when used
>> >at
>> > cooler
>> > temps (i.e. street).
>> >
>> > I still have the race compound on my racecar.
>> >
>> > Mike
>> >
>> >
>> > -----Original Message-----
>> > From: Herold Faulkner <faulkner@redshift.com>
>> > To: spridgets@autox.team.net <spridgets@autox.team.net>
>> > Date: Tuesday, October 27, 1998 7:20 PM
>> > Subject: Disk brakes, heater.
>> >
>> >
>> > >Sprigiteers,
>> > >
>> > >Can anyone out there tell me anything about disk brake conversions?
>> >Like
>> > >specifically should one also replace the rear drums with larger
>> >ones to
>> > >maintain balance?
>> > >
>> > >Has anyone tried Kevlar pads/shoes?  What are the advantages and
>> > >disadvantages?
>> > >
>> > >Finally, does anyone have any idea what a replacement heater
>> >assembly
>> > (used)
>> > >is worth.  What should I plan to replace (core,etc)and what is
>> >likely to be
>> > >missing and hard as all getout to find new or used (control
>> >switch?)
>> > >
>> > >Thanks,
>> > >
>> > >Hall
>> > >
>> >
>
>--
>Frank Clarici
>Toms River, NJ
>Lots of LBCs
>http://www.exit109.com/~spritenut


Jeffrey H. Boatright, PhD
Senior Editor, Molecular Vision
http://www.emory.edu/molvis
"Seeing the Future in a Very Tiny Way"



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