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1980 Chevy C60 Brakebooster

Posted By ScottM Last Year
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ScottM
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Awesome, I should get some of that coming.

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www.cachecreektruckshow.org

Scott McKenzie
- 1950 Bullmoose B624 forklift
- 1964 Pacific SRDD-D - http://prograph.smugmug.com/1964-Pacific
- 1973 Pacific P9
- 1980 Chevy C60
- 1983 GMC 2500
www.pacifictruckclub.org
www.hayestruckclub.org


Geoff Weeks
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To be 100% honest, I don't know exactly when and where type L can be used over type H. I have always seen type L used in short pieces to connect tubing together.  I have seen H used for longer runs, like from the frame ounted tube, to the 2 spd axle.
You see L used connecting the front of the hydrovac to the the rear can in 3" sections. 
Tony Bullard
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Thanks Geoff.
The Gates 27233 looks like it should work on a 1/2" barb. 3' length at amazon
1-4of 4Items
Part #Product #DescriptionInside Diameter (in)Inside Diameter (mm)
27230 3276448127230 11/32" X 50FT POWER BRAKE0.343759.0
27231 3276448227231 15/32" X 50FT POWER BRAKE0.4687512.0
27232 3276448327232 PWRB VACUUM HOSE0.343759.0
27233 3276448427233 15/32" X 3FT POWER BRAKE0.4687512.0


Click on the part # for specs


Tony
Geoff Weeks
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Air brake hose does NOT meet vacuum brake requirements.
it must carry:
Exceeds SAE J1403, Type H. Complies with DOT FMVSS 106VH"
 It can be type L , which will also be labeled  106VL
Air Brake spec is SAE 1402, Vacuum is 1403
Tony Bullard
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Your gonna want to use DOT air brake hose such as Parker 201 series. Parker specs
I/2" on amazon  and 5/8" here 3/4 at McMaster




Tony
Geoff Weeks
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Yeap, it is hard to come by. If it were me, I'd use hard tubeing where ever I could and use a minimum amount hose to connect the tubing.
ScottM
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This is what showed up at the door late last night, the packaging was stuck to the hydrovac in a couple of spots due to the still tacky paint when the boxed it up.  I have been looking for vacuum hose and it is not easy to find at all.

I would post photos but I can't get the system to upload?



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www.cachecreektruckshow.org

Scott McKenzie
- 1950 Bullmoose B624 forklift
- 1964 Pacific SRDD-D - http://prograph.smugmug.com/1964-Pacific
- 1973 Pacific P9
- 1980 Chevy C60
- 1983 GMC 2500
www.pacifictruckclub.org
www.hayestruckclub.org


Geoff Weeks
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The guy I mentioned over on the Stak, got one from the same place. He found it was an off-shore copy and not a rebuild. He hasn't got it on yet but found a few minor problems. On was the hardware was metric, not a big problem, the other was the outlet fitting was a different size and he couldn't swap fittings but had to get an adaptor. the 3rd was the vacuum inlet had a check valve built in and was 3/4" hose instead of 1/2". A search (which I helped with) for 3/4" vacuum hose came up dry unless you were willing to by a 50' roll.
 In the end he changed out the inlet fitting to make it 1/2" and installed a 1/2" check valve on the firewall like the original would have had.
 New 1/2 heavy wall Vacuum hose is no easyer to come by than 3/4" but but thin wall that still meets SAE and FMV spec's is. It must be Vacuum rated hose to be legal. 
 Just some points to look out for.
ScottM
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I finally tracked one down, dealt with a really great person at Fleet Brake out of Calgary - they had a unit sitting on the shelf which was rebuilt and on my door step within about a week. Next step after digging out of the foot of freshly fallen snow is to roll the truck into the shop and sawp the units and redo the vacuum hoses.

Looking for an instrument cluster and a few other bits if you have one of these trucks kicking around.

======================
www.cachecreektruckshow.org

Scott McKenzie
- 1950 Bullmoose B624 forklift
- 1964 Pacific SRDD-D - http://prograph.smugmug.com/1964-Pacific
- 1973 Pacific P9
- 1980 Chevy C60
- 1983 GMC 2500
www.pacifictruckclub.org
www.hayestruckclub.org


Tony Bullard
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I think we may be getting somewhere now. Master Cylinder   for above booster


Tony


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