| [GMCnet] Brake Booster Push Rod [message #75435] |
Tue, 02 March 2010 18:06  |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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G'day,
Whoever installed Caddy brakes on Double Trouble installed a P-30 Master
Cylinder. To lengthen the pushrod that goes between the booster and the
master cylinder they epoxied a small nut on the end. I want to make one that
is the correct length and was wondering if anyone has a drawing.
I checked Gene's website but couldn't find any info specifically about the
pushrod.
PLEASE don't tell me it has to be X inches longer than the stock one as I
don't know how long the stock one is! Nor do I want to disassemble The Blue
Streak to find out!
Thanks,
Rob Mueller
Sydney, Australia
AUS '75 Avion-The Blue Streak TZE365V100428
USA '75 Avion-Double Trouble TZE365V100426
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: [GMCnet] Brake Booster Push Rod [message #75444 is a reply to message #75439] |
Tue, 02 March 2010 19:04  |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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I can send you one, n/c .
Onue, Mar 2, 2010 at 4:37 PM, Gerald Wheeler <jrwheeler7@earthlink.net> wrote:
>
> Rob,
>
> Why don't you contact Leigh Harrison to get one. Â I know he supplies them
> when you buy a P30 master cylinder from him.
>
> JR Wheeler  78 Royale  NC/OR
> jrwheeler7@earthlink.net
>
>
>
>> [Original Message]
>> From: Rob Mueller <robmueller@iinet.net.au>
>> To: <gmclist@temp.gmcnet.org>
>> Date: 3/2/2010 7:07:17 PM
>> Subject: [GMCnet] Brake Booster Push Rod
>>
>> G'day,
>>
>> Whoever installed Caddy brakes on Double Trouble installed a P-30 Master
>> Cylinder. To lengthen the pushrod that goes between the booster and the
>> master cylinder they epoxied a small nut on the end. I want to make one
> that
>> is the correct length and was wondering if anyone has a drawing.
>>
>> I checked Gene's website but couldn't find any info specifically about the
>> pushrod.
>>
>> PLEASE don't tell me it has to be X inches longer than the stock one as I
>> don't know how long the stock one is! Nor do I want to disassemble The
> Blue
>> Streak to find out!
>>
>> Thanks,
>> Rob Mueller
>> Sydney, Australia
>> AUS '75Â Avion-The Blue Streak TZE365V100428
>> USA '75 Avion-Double Trouble TZE365V100426
>>
>> _______________________________________________
>> GMCnet mailing list
>> List Information and Subscription Options:
>> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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> _______________________________________________
> GMCnet mailing list
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--
Jim Kanomata
Applied/GMC, Fremont,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: [GMCnet] Brake Booster Push Rod [message #75453 is a reply to message #75439] |
Tue, 02 March 2010 19:44 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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JR,
Thanks, I noticed that when I was looking at Leigh's sensitized booster with
two check valves in it but since I have a metal lathe in my workshop I
figured I can make one for twice nothing.
Regards,
Rob Mueller
Sydney, Australia
AUS '75 Avion-The Blue Streak TZE365V100428
USA '75 Avion-Double Trouble TZE365V100426
-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Gerald Wheeler
Sent: Wednesday, 3 March 2010 11:37 AM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] Brake Booster Push Rod
Rob,
Why don't you contact Leigh Harrison to get one. I know he supplies them
when you buy a P30 master cylinder from him.
JR Wheeler 78 Royale NC/OR
jrwheeler7@earthlink.net
_______________________________________________
GMCnet mailing list
List Information and Subscription Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: [GMCnet] Brake Booster Push Rod [message #75469 is a reply to message #75462] |
Tue, 02 March 2010 22:03 |
GMCWiperMan
Messages: 1248
Registered: December 2007
Karma: 1
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Senior Member |
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Rob,
You're knowledgeable enough to figure it out for yourself, but just in case:
Don't accept that rod lenght as gospel. Check for yourself that it does
not cause the MC piston to be moved, closing the bleed port, and causing
dragging brakes. Similarly, be sure it's long enough to eliminate excessive
free play in the pedal. A test assembly with a bit of modelling clay on the
tip of the rod is one way, but you can probably figure a better test.
Ken H.
On Tue, Mar 2, 2010 at 9:49 PM, Rob Mueller <robmueller@iinet.net.au> wrote:
> Gene,
>
> Nope I missed the chart somehow!
>
> Thanks!
>
> Reference the chart and the photo:
>
> http://www.gmcmhphotos.com/photos/showphoto.php?photo=11290
>
> I need to make a rod 2.469 inches + 0.10 inches long and 0.366 inches in
> diameter. Flat on the end that goes into the booster and domed on the end
> that goes into the master cylinder.
>
> Piece of cake!
>
> Regards,
> Rob Mueller
> Sydney, Australia
> AUS '75 Avion-The Blue Streak TZE365V100428
> USA '75 Avion-Double Trouble TZE365V100426
>
>
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