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05-04-2020, 09:01 AM | #1 |
Junior Member
Join Date: Aug 2013
Posts: 21
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Crab distributor vacuum
Where does the vacuum line attach at the distributor? I know it comes off the intake but where does it connect to the 42-44 crab dist.?
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05-04-2020, 09:06 AM | #2 |
Senior Member
Join Date: May 2010
Location: NJ
Posts: 6,143
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Re: Crab distributor vacuum
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05-04-2020, 09:09 AM | #3 |
Member Emeritus
Join Date: Nov 2012
Location: Wichita KS
Posts: 16,132
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Re: Crab distributor vacuum
You can see the port on the cover, top right.
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05-04-2020, 11:17 AM | #4 |
Senior Member
Join Date: May 2010
Location: Paris, Tennessee
Posts: 182
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Re: Crab distributor vacuum
Do all timing covers have that port?
Last edited by my2nd40; 05-04-2020 at 11:19 AM. Reason: spelling |
05-04-2020, 11:43 AM | #5 |
Senior Member
Join Date: May 2010
Location: Oshkosh, Wi
Posts: 4,516
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Re: Crab distributor vacuum
No, only the covers that have 2 bolts for the distributor.
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05-04-2020, 12:04 PM | #6 |
Member Emeritus
Join Date: Nov 2012
Location: Wichita KS
Posts: 16,132
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Re: Crab distributor vacuum
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05-04-2020, 12:05 PM | #7 |
Senior Member
Join Date: May 2015
Posts: 7,925
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Re: Crab distributor vacuum
__________________
The only thing nice about being imperfect is the joy it brings to others.... "Silver rings, your butt! Them's washers!" "We shot our way out of that town for a dollar's worth of steel holes!" - from 'The Wild Bunch' - 1969 https://www.youtube.com/watch?v=7NReUd2_0u0 |
05-04-2020, 12:11 PM | #8 |
Senior Member
Join Date: May 2010
Location: East Shore of LAKE HOUSTON
Posts: 11,106
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Re: Crab distributor vacuum
And here is the back side of that two-bolt distributor, on which you can see the tiny, corresponding vacuum port with it's sealing O-ring in place. As the distributor bolts are snugged-up, that O-ring which protrudes above the flat surface is compressed, sealing the press-fit connection. DD |
05-04-2020, 12:56 PM | #9 |
Senior Member
Join Date: May 2015
Posts: 7,925
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Re: Crab distributor vacuum
And here is picture of the adapter require when converting from a 3 bolt helmet distributor to a two bolt crab distributor (engine has a 3 bolt timing cover).... As seen on VanPelts site....
__________________
The only thing nice about being imperfect is the joy it brings to others.... "Silver rings, your butt! Them's washers!" "We shot our way out of that town for a dollar's worth of steel holes!" - from 'The Wild Bunch' - 1969 https://www.youtube.com/watch?v=7NReUd2_0u0 |
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