Weber Jet Sizes?, Is there a "ballpark" starting point? |
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Weber Jet Sizes?, Is there a "ballpark" starting point? |
Porsche Rescue |
Jul 4 2003, 01:48 PM
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#1
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Saving and Enjoying Old Porsches Group: Members Posts: 2,978 Joined: 31-December 02 From: Bend, Oregon Member No.: 64 Region Association: None |
Can someone tell me the proper jet/emulsion tube sizes for Weber 40's on a near stock 2.0 (has "carb" cam but don't know specs)? So far I have only checked the idle jets and they are 45's. The engine runs OK but I think it could be better. There is a bit of a stumble at slack throttle around 3000 rpm. I think that is about the point of transition from idle circuit to main circuit. Any suggestions out there?
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Porsche Rescue |
Jul 5 2003, 08:58 AM
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#2
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Saving and Enjoying Old Porsches Group: Members Posts: 2,978 Joined: 31-December 02 From: Bend, Oregon Member No.: 64 Region Association: None |
I am using 050 distributor. From the looks of the exhaust pipe it is a bit rich. Some pop back on decel. Going to 50 idle jet would make things even richer, right? Better check the mains and tubes.
What is the deal with 36mm venturis? Are they totally wrong for a 2.0 type IV? Thinking about installing the new carbs just for fun. |
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