PVC Valve Question with Weber 38 - JeepForum.com
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Unread 10-20-2011, 01:51 PM   #1
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1976 CJ7 
Join Date: Jul 2011
Location: Gahanna, Ohio
Posts: 390
PVC Valve Question with Weber 38

I replaced my old PVC valve with one from the local shope (off the rack not specific to my vehicle) and I had to retweak my settings. It appears the new one lets less air to pass and I had to adjust my carb. My concern is that with my Weber 38 I want to stay as low as possible on my idle speed screw (close to 1/2 a turn is desirable), but with the new PVC I have to turn it to about 1 turn out to get the correct idle speed. I didn't realize that PVC valves where that different. Could someone school me on what's going on. My guess is that I'm going to have to order an OEM one.

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