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Join Date: Nov 2006
Location: Kentucky
Posts: 414
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Weber 40's on a 2.7 CIS

I would like to replace the CIS with Weber 40's on a 1974 2.7? What size choke, emulsion, jets ect should I be using?

This is going in a dedicated track 914-6. The 2.7 is stock w/ CIS cams.

The webers are currently on a stock 2.0E so I will need to open them up I am assuming.

Thanks

David

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1970 914-6 GT Track Car
1974 IROC Track Car
1987 911 Targa 3.2
2008 BMW X5
Old 10-02-2008, 10:17 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #1 (permalink)
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Join Date: Jul 2001
Location: Portland Oregon
Posts: 7,007
David,

Put in:

34mm venturies
F26's
180 AC's
150 mains
55 idles

With 3.5 psi of regulated fuel pressure, make sure the float levels are perfect.
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Steve Weiner
Rennsport Systems
Portland Oregon
(503) 244-0990
porsche@rennsportsystems.com
www.rennsportsystems.com
Old 10-02-2008, 02:48 PM
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Thanks Steve.

__________________
1970 914-6 GT Track Car
1974 IROC Track Car
1987 911 Targa 3.2
2008 BMW X5
Old 10-03-2008, 04:47 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #3 (permalink)
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