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Registered
Join Date: May 2007
Location: El Centro, CA
Posts: 260
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3,1 engine weber 40
I have a 3,1 engine project:
70.4 crank 97 mm JE 9.5 cr pistons 3,2 heads twin plug vs single plug S cam vs dc 80cam I would like to know if I can use weber 40carbs for this engine. hopefully it is not too small for the engine. |
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02-17-2014, 02:40 PM
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Under the radar
Join Date: May 2007
Location: Fortuna, CA. On the Lost Coast near the Emerald Triangle
Posts: 7,129
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IMO it will depend on your intended use. For a street or AX motor you will be better off with the 40s. However, depending on your cam choice and exhaust you could possibly gain some HP with the 46s.
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Gordon ___________________________________ '71 911 Coupe 3,0L outlawed #56 PCA Redwood Region, GGR, NASA, Speed SF Trackrash's Garage :: My Garage |
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02-17-2014, 03:03 PM
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Registered
Join Date: Jul 2001
Location: Portland Oregon
Posts: 7,007
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You need 46's for that application.
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Steve Weiner Rennsport Systems Portland Oregon (503) 244-0990 porsche@rennsportsystems.com www.rennsportsystems.com |
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02-17-2014, 03:05 PM
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My Garage
1971 Porsche 911
Baja Bug
