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carrerarsr65
 
Join Date: Jul 2011
Location: western mass
Posts: 475
Garage
f.i. to carb conversion

cis to weber conversion what do I do with the the vacuum line that went to cis 79 911sc thanks for all the help

Old 04-16-2014, 03:20 PM
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non-whiner
 
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Join Date: Aug 2012
Location: Slightly right of center
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Which one? If it's your power brake booster, hook it up. Post a picture.
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Old 04-16-2014, 03:24 PM
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RETIRED
 
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Join Date: Jul 1999
Location: BOULDER Colorado
Posts: 39,412
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Consider changing cams, 20/21 or 964 profile.
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1983/3.6, backdate to long hood
2012 ML350 3.0 Turbo Diesel
Old 04-16-2014, 04:24 PM
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carrerarsr65
 
Join Date: Jul 2011
Location: western mass
Posts: 475
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vac line

its the line that went the to the cis system it come from the back left side of engine bay mixed in with the fuel lines
Old 04-16-2014, 05:18 PM
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Registered
 
Join Date: Dec 2012
Location: Seattle
Posts: 8,943
That's the brake boaster line and there are a couple options. I just decided to go with a pump from metric mind instead of dealing with tapping manifolds and other issues. Lots of research on this topic says this is the quietest pump around. It's also Swiss made for whatever that's worth.

http://www.metricmind.com/category/ev-vacuum-pumps/

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1982 911 Targa, 3.0L ROW with Webers

Last edited by Ayles; 04-16-2014 at 05:23 PM..
Old 04-16-2014, 05:19 PM
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