<div dir="ltr"><div class="gmail_default" style="font-size:large">There should be a small amount of free play at the pushrod to master cylinder piston (~ 1/16" which translates to ~ 3/8" at the pedal). This ensures the piston is able to fully return to the off position. </div><div class="gmail_default" style="font-size:large"><br></div><div class="gmail_default" style="font-size:large">Check the pushrod & clevis pin at the slave cylinder. Since they are exposed to the elements they will often wear - the hole in the pushrod becoming elongated & the clevis pin looking more like a mini crankshaft. All that lost motion means the clutch doesn't operate through a full stroke. </div><div class="gmail_default" style="font-size:large"><br></div><div class="gmail_default" style="font-size:large">EjR </div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Oct 30, 2023 at 2:10 PM <<a href="mailto:mgs-request@autox.team.net">mgs-request@autox.team.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Send Mgs mailing list submissions to<br>
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Today's Topics:<br>
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1. 58 mga (dave northrup)<br>
2. Re: 58 mga (Paul Hunt)<br>
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Message: 1<br>
Date: Sun, 29 Oct 2023 23:49:07 +0000<br>
From: dave northrup <<a href="mailto:dave@ranteer.com" target="_blank">dave@ranteer.com</a>><br>
To: "<a href="mailto:mgs@autox.team.net" target="_blank">mgs@autox.team.net</a>" <<a href="mailto:mgs@autox.team.net" target="_blank">mgs@autox.team.net</a>><br>
Subject: [Mgs] 58 mga<br>
Message-ID: <<a href="mailto:f0749b4467b54c8a96fb6b7bc8ee7237@ranteer.com" target="_blank">f0749b4467b54c8a96fb6b7bc8ee7237@ranteer.com</a>><br>
Content-Type: text/plain; charset="iso-8859-1"<br>
<br>
I am reassembling the car; it was never running and driving under my ownership.<br>
<br>
I noticed today as I'm attempting to get the car running and driving for the first time that there is play in the clutch in the rod that goes into the master.<br>
<br>
It is threaded about as far out as it can go.<br>
<br>
It occurred to me that I could thread a rod so that there is virtually no play, and that the as soon as you press the clutch pedal it will move inside the master. It also occurred to me that that might be a bad idea. Can/should I do that? or will it push too far inside the master and cause additional problems? It isn't more than about ?" of play or so<br>
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Message: 2<br>
Date: Mon, 30 Oct 2023 08:18:53 +0000<br>
From: Paul Hunt <<a href="mailto:paulbhunt73@gmail.com" target="_blank">paulbhunt73@gmail.com</a>><br>
To: <a href="mailto:mgs@autox.team.net" target="_blank">mgs@autox.team.net</a><br>
Subject: Re: [Mgs] 58 mga<br>
Message-ID: <<a href="mailto:3f0cd945-7962-4191-9216-445ada16c45b@gmail.com" target="_blank">3f0cd945-7962-4191-9216-445ada16c45b@gmail.com</a>><br>
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What's the biting point like?? If that's fine then leave it alone.<br>
<br>
I don't know the MGA master but on the MGB the master piston comes back <br>
to the circlip in the bore and positions the resting position of the <br>
pedal, and that determines how much 'throw' you have at the pedal, the <br>
slave cylinder and hence the release bearing.? Slop in the linkage at <br>
the pedal puts it closer to the floor and results in less slave piston <br>
movement and hence a lower biting point.? The same is not true of the <br>
linkage at the clutch end as a spring inside the slave cylinder pushes <br>
the piston out to take up all the play at that end, and more importantly <br>
to compensate for the graphite release bearing wearing down.? The more <br>
that wears the further the piston moves out, drawing fluid down from the <br>
master reservoir, so you continue to get a full stroke of the release <br>
arm.? That makes the MGB clutch system self-adjusting, and there is no <br>
scope for threaded adjustment anywhere in the system.? But as I say that <br>
is the MGB not the MGA.<br>
<br>
PaulH.<br>
<br>
On 29/10/2023 23:49, dave northrup wrote:<br>
><br>
> I am reassembling the car; it was never running and driving under my <br>
> ownership.<br>
><br>
> I noticed today as I?m attempting to get the car running and driving <br>
> for the first time that there is play in the clutch in the rod that <br>
> goes into the master.<br>
><br>
> It is threaded about as far out as it can go.<br>
><br>
> It occurred to me that I could thread a rod so that there is virtually <br>
> no play, and that the as soon as you press the clutch pedal it will <br>
> move inside the master.? It also occurred to me that that might be a <br>
> bad idea. Can/should I do that?? or will it push too far inside the <br>
> master and cause additional problems?? It isn?t more than about ?? of <br>
> play or so<br>
><br>
><br>
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