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I don't mind friendly disagreements - its one of the best ways to learn!
Ok. I guess hard is a relative term. Assuming I'm wrong, and there is no
air in the system what is causing the pedal to need to pump up?
On Sun, 16 Jan 2022 at 10:17, GUY DAY <grday@btinternet.com> wrote:
> Sorry Wes,
>
> I've got to disagree with part of your last comment. <snip> If the pedal
> pumps up hard and absolutely stays hard there is still air in the
> system.<end snip>. If the pedal stays hard there is NO air (or leaks) in
> the system. If there is air in the system then the pedal will feel
> 'springy' or 'bouncy'. Air will always act as a spring within a fluid
> system and anything akin to a discerning foot will feel it.
>
>
> Fully agree with the rest of your post - and I've had people saying the
> brakes are fine as the pedal very slowly sinks to the floor!. It feels fi=
rm
> but the pedal sinks over a minute or so. (If no fluid is lost there is a
> seal leak in the m/cyl).
>
>
>
> Stay well,
>
>
> Guy R Day
>
>
>
> ------ Original Message ------
> From: "Weslake1330 via Spridgets" <spridgets@autox.team.net>
> To: "Michael MacLean" <springer.mike51@gmail.com>
> Cc: "Spridgets" <spridgets@autox.team.net>
> Sent: Sunday, 16 Jan, 22 At 09:22
> Subject: Re: [Spridgets] Brake Bleed
>
> Air can get trapped in a solid brake line and not easily find its way to
> the slave to be bled out. I have heard some people say that after driving
> the car a few times the air moves about and then the system bleeds better=
.
> On my Sprite I've sometimes left it a week and then come back to it and
> re-bled it with a better result. I'm also always resigned to using massiv=
e
> amount of fluid and pumping it all through. I do have s/s easy bleed
> nipples but still use a basic bleeding tool as well.
>
> If the pedal pumps up hard and absolutely stays hard there is still air i=
n
> the system. If it pumps up hard but won't stay absolutely hard - somethin=
g
> isn't quite seating correcting or you have some other sort of leak.
>
> Regards
>
>
> Daniel
>
> On Sun, 16 Jan 2022 at 08:49, Michael MacLean via Spridgets <
> spridgets@autox.team.net> wrote:
>
>> You're right. I got it backasswards. New master with twin 3/4" bores. Th=
e
>> old one was 7/8" in one bore for the drum brakes and 3/4" bore for the
>> Datsun clutch in the other. Rear is adjusted as best as possible. Pity y=
ou
>> can't get shoes arced anymore for full contact with the drum. I will try=
to
>> wear them in and keep adjusting to see if that helps.
>> Mike
>>
>> On Sat, Jan 15, 2022 at 9:20 PM Rick Fisk <refisk@chartermi.net> wrote:
>>
>>> Hi Mike,
>>>
>>> Front disc brakes should have a 3/4" master. Make sure the rear drums
>>> are adjusted properly. If the rears aren't adjusted properly you quite
>>> often will have to pump the pedal to get it firm.
>>>
>>> Rick
>>>
>>> > On Jan 15, 2022, at 11:22 PM, Michael MacLean via Spridgets <
>>> spridgets@autox.team.net> wrote:
>>> >
>>> > =EF=BB=BF
>>> > The front drum brakes and master cylinder on my Bugeye were recently
>>> swapped out for disc brakes. The old master was 3/4" bore with a 7/8"
>>> sleeve for the Datsun clutch. The new master is 7/8" in both bores to
>>> actuate the calipers correctly. Installation went without a hitch and t=
he
>>> car was bled multiple times, but for some reason the brake pedal goes d=
own
>>> aways before it works. You can actually pump the pedal up a bit. We can=
't
>>> understand it. There are no leaks and it was bled properly, butt it act=
s
>>> like there is still air in the system. Any ideas?
>>> > Mike MacLean
>>> > ------------------------
>>> >
>>> > spridgets@autox.team.net
>>> >
>>> > Donate: http://www.team.net/donate.html
>>> > Suggested annual donation: $12.75
>>> >
>>> > Archive: http://www.team.net/pipermail/spridgets
>>> http://autox.team.net/archive
>>> >
>>> > Unsubscribe/Manage:
>>> http://autox.team.net/mailman/options/spridgets/refisk@chartermi.net
>>>
>>> ------------------------
>>
>> spridgets@autox.team.net
>>
>> Donate: http://www.team.net/donate.html
>> Suggested annual donation: $12.75
>>
>> Archive: http://www.team.net/pipermail/spridgets
>> http://autox.team.net/archive
>>
>> Unsubscribe/Manage:
>> http://autox.team.net/mailman/options/spridgets/weslake1330@gmail.com
>>
> ------------------------------
> ------------------------
>
> spridgets@autox.team.net
>
> Donate: http://www.team.net/donate.html
> Suggested annual donation: $12.75
>
> Archive: http://www.team.net/pipermail/spridgets
> http://autox.team.net/archive
>
> Unsubscribe/Manage:
> http://autox.team.net/mailman/options/spridgets/grday@btinternet.com
>
>
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<div dir=3D"ltr">I don't mind friendly disagreements - its one of the b=
est ways to learn!=C2=A0 Ok.=C2=A0 I guess hard is a relative term.=C2=A0 A=
ssuming I'm wrong, and there is no air in the system what is causing th=
e pedal to need to pump up?</div><br><div class=3D"gmail_quote"><div dir=3D=
"ltr" class=3D"gmail_attr">On Sun, 16 Jan 2022 at 10:17, GUY DAY <<a hre=
f=3D"mailto:grday@btinternet.com";>grday@btinternet.com</a>> wrote:<br></=
div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;bor=
der-left:1px solid rgb(204,204,204);padding-left:1ex"><u></u> <div><div=
dir=3D"auto" style=3D"unicode-bidi:embed">Sorry Wes, <div><p>I've got =
to disagree with part of your last comment. <snip> <span style=3D"whi=
te-space:pre-wrap">If the pedal pumps up hard and absolutely stays hard the=
re is still air in the system.<end snip>. </span><span style=3D"whit=
e-space:pre-wrap">If the pedal stays hard there is NO air (or leaks) in the=
system. If there is air in the system then the pedal will feel 'sprin=
gy' or 'bouncy'. Air will always act as a spring within a flu=
id system and anything akin to a discerning foot will feel it. </span></p>=
<div><p><span style=3D"white-space:pre-wrap"><br></span></p><p><span style=
=3D"white-space:pre-wrap">Fully agree with the rest of your post - and I=
9;ve had people saying the brakes are fine as the pedal very slowly sinks t=
o the floor!. It feels firm but the pedal sinks over a minute or so. (If =
no fluid is lost there is a seal leak in the m/cyl). </span></p><p><span s=
tyle=3D"white-space:pre-wrap;display:inline"><br></span></p><div><br></div>=
<div><p>Stay well,</p><p><br></p><p>Guy R Day</p><blockquote style=3D"margi=
n:0px auto;padding:0px 2em;border-left:2px solid rgb(0,173,229);white-space=
:pre-wrap"><br><br>------ Original Message ------<br>From: "Weslake133=
0 via Spridgets" <<a href=3D"mailto:spridgets@autox.team.net"; targe=
t=3D"_blank">spridgets@autox.team.net</a>><br>To: "Michael MacLean&=
quot; <<a href=3D"mailto:springer.mike51@gmail.com"; target=3D"_blank">sp=
ringer.mike51@gmail.com</a>><br>Cc: "Spridgets" <<a href=3D=
"mailto:spridgets@autox.team.net"; target=3D"_blank">spridgets@autox.team.ne=
t</a>><br>Sent: Sunday, 16 Jan, 22 At 09:22<br>Subject: Re: [Spridgets] =
Brake Bleed<br><br><div dir=3D"ltr">Air can get trapped in a solid brake li=
ne and not easily find its way to the slave to be bled out. I have heard s=
ome people say that after driving the car a few times the air moves about a=
nd then the system bleeds better. On my Sprite I've sometimes left it a=
week and then come back to it and re-bled it with a better result. I'=
m also always resigned to using massive amount of fluid and pumping it all =
through. I do have s/s easy bleed nipples but still use a basic bleeding t=
ool as well.<div><br></div><div>If the pedal pumps up hard and absolutely s=
tays hard there is still air in the system. If it pumps up hard but won=
9;t stay absolutely hard - something isn't quite seating correcting or =
you have some other sort of leak.</div><div><br></div><div>Regards</div><di=
v><br></div><div><br></div><div>Daniel</div></div><br><div class=3D"gmail_q=
uote"><div dir=3D"ltr" class=3D"gmail_attr">On Sun, 16 Jan 2022 at 08:49, M=
ichael MacLean via Spridgets <<a href=3D"mailto:spridgets@autox.team.net=
" target=3D"_blank"><span>spridgets@autox.team.net</span><span></span></a>&=
gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0=
px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div =
dir=3D"ltr"><div>You're right. I got it backasswards. New master with=
twin 3/4" bores. The old one was 7/8" in one bore for the drum=
brakes and 3/4" bore for the Datsun clutch in the other. Rear is adj=
usted as best as possible. Pity you can't get shoes arced anymore for =
full contact with the drum. I will try to wear them in and keep adjusting =
to see if that helps. <br></div><div>Mike<br></div></div><br><div class=3D=
"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Sat, Jan 15, 2022 at=
9:20 PM Rick Fisk <<a href=3D"mailto:refisk@chartermi.net"; target=3D"_b=
lank"><span>refisk@chartermi.net</span><span></span></a>> wrote:<br></di=
v><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;borde=
r-left:1px solid rgb(204,204,204);padding-left:1ex">Hi Mike,<br> <br> Front=
disc brakes should have a 3/4" master. Make sure the rear drums are =
adjusted properly. If the rears aren't adjusted properly you quite oft=
en will have to pump the pedal to get it firm.<br> <br> Rick<br> <br> > =
On Jan 15, 2022, at 11:22 PM, Michael MacLean via Spridgets <<a href=3D"=
mailto:spridgets@autox.team.net"; target=3D"_blank"><span>spridgets@autox.te=
am.net</span><span></span></a>> wrote:<br> > <br> > =EF=BB=BF<br> =
> The front drum brakes and master cylinder on my Bugeye were recently s=
wapped out for disc brakes. The old master was 3/4" bore with a 7/8&q=
uot; sleeve for the Datsun clutch. The new master is 7/8" in both bor=
es to actuate the calipers correctly. Installation went without a hitch an=
d the car was bled multiple times, but for some reason the brake pedal goes=
down aways before it works. You can actually pump the pedal up a bit. We =
can't understand it. There are no leaks and it was bled properly, butt=
it acts like there is still air in the system. Any ideas?<br> > Mike M=
acLean<br> > ------------------------<br> > <br> > <a href=3D"mail=
to:spridgets@autox.team.net" target=3D"_blank"><span>spridgets@autox.team.n=
et</span><span></span></a><br> > <br> > Donate: <a href=3D"http://www=
.team.net/donate.html" target=3D"_blank">http://www.team.net/donate.html</a=
><br> > Suggested annual donation: $12.75<br> > <br> > Archive: <a=
href=3D"http://www.team.net/pipermail/spridgets"; target=3D"_blank">http://=
www.team.net/pipermail/spridgets</a> <a href=3D"http://autox.team.net/arch=
ive" target=3D"_blank">http://autox.team.net/archive</a><br> > <br> >=
Unsubscribe/Manage: <a href=3D"http://autox.team.net/mailman/options/sprid=
gets/refisk@chartermi.net" target=3D"_blank">http://autox.team.net/mailman/=
options/spridgets/refisk@chartermi.net</a><br> <br> </blockquote></div> ---=
---------------------<br> <br> <a href=3D"mailto:spridgets@autox.team.net"; =
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div> <hr>------------------------<br>
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