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MeeferMadness
Samba Member
Joined: June 14, 2004
Posts: 306
Location: Eugene Oregon
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 Posted: Thu Feb 19, 2015 7:11 pm Post subject: test vacuum advance |
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I am shopping for a BOSCH VJU4BR8 distributor for my 59 engine. Is there any way to see if the vacuum canister is working? I plan on refurbishing the unit but would like to start with a functioning advance unit since they are so expensive new.
Thanks
Bruce |
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modok
Samba Member
Joined: October 30, 2009
Posts: 27667
Location: Colorado Springs
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| Posted: Thu Feb 19, 2015 7:24 pm Post subject: |
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| Sure, buy a vac tester pump with gauge, start er up and find out. Whats the spec?? Somebody posted a huge number of advance charts just a few days ago so the specs may be right here! |
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MeeferMadness
Samba Member
Joined: June 14, 2004
Posts: 306
Location: Eugene Oregon
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| Posted: Thu Feb 19, 2015 7:29 pm Post subject: Vacuum test |
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Short of buying a vacuum unit I am looking for some kind of static test, something that can see if the vacuum advance works while not on the engine.
Thanks
Bruce |
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modok
Samba Member
Joined: October 30, 2009
Posts: 27667
Location: Colorado Springs
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| Posted: Thu Feb 19, 2015 7:31 pm Post subject: |
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You can pump it and watch the plate move, and see if it leaks down again. the vac pump is a bit pricy for one use.......maybe a big syringe?
too high tech?
Suck on it........ and sick your tongue on the barb and see if it holds vac  that's the industry standard |
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Glenn 
Mr. 010
Joined: December 25, 2001
Posts: 79508
Location: Sneaking up behind you
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| Posted: Thu Feb 19, 2015 7:53 pm Post subject: |
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I have a restored one with a NOS vacuum canister available. If interested, email me.
_________________
Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"
Member #1009
#BlueSquare
עַם יִשְׂרָאֵל חַי |
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j-dub
Samba Member
Joined: November 09, 2003
Posts: 870
Location: Phoenix, AZ
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| Posted: Thu Feb 19, 2015 8:11 pm Post subject: |
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http://www.summitracing.com/parts/oes-25136?seid=s...oCQVjw_wcB
I bought a vacuum pump for this exact purpose, works great. I bought it from the local auto parts store, the summit link is for example.
If you just want to know if the vacuum can is working suck on the tube and you will see it move.
_________________
1957 Oval rag
"POLICE STATION TOILET STOLEN ... Cops have nothing to go on." |
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