 Vacuum ports on webers |
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| dumbjim |
 Dec 5 2020, 08:40 AM
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Newbie  Group: Members Posts: 25 Joined: 21-June 05 From: st.louis mo. Member No.: 4,312  |
I'm getting ready to install a Petronix svda distributor in the next day or so. I emailed them as to which vacuum port I should hook up to on the carb. They replied cylinder 4, yet the install letter they sent me says I should t the vacuum line and run one to each carb. What's your opinion out there? Thanks
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| michael7810 |
Dec 5 2020, 03:35 PM
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Senior Member Group: Members Posts: 1,081 Joined: 6-June 11 From: Scottsdale, AZ Member No.: 13,164 Region Association: Southwest Region 
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You get a lot of vacuum pulsing so T-ing both carbs will smooth that out some. Put a vacuum gauge on it and you’ll see what I mean. I ended up using the anti-pulse valve from Aircooled dot net and it worked OK but still did not have a smooth vacuum signal.
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Posts in this topic
dumbjim Vacuum ports on webers Dec 5 2020, 08:40 AM
Ansbacher I'm running dual Dellortos not Webers, but I f... Dec 5 2020, 05:05 PM
porschetub
I'm running dual Dellortos not Webers, but I ... Dec 6 2020, 12:56 PM Tdskip Make sure you have vacuum ports - not all of them ... Dec 5 2020, 07:33 PM |
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