 Vacuum ports on webers |
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| dumbjim |
 Dec 5 2020, 08:40 AM
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#1
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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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| Ansbacher |
Dec 5 2020, 05:05 PM
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#2
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Senior Member Group: Members Posts: 689 Joined: 4-July 14 From: Tampa Bay, Florida Member No.: 17,589 |
I'm running dual Dellortos not Webers, but I found being hooked up to just one carb gave the best results. Tried it from both and with the one-way valves but it seemed to instill some weird cross talk and impaired my performance.
Ansbacher |
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| porschetub |
Dec 6 2020, 12:56 PM
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#3
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Advanced Member Group: Members Posts: 4,699 Joined: 25-July 15 From: New Zealand Member No.: 18,995 Region Association: None |
QUOTE(Ansbacher @ Dec 6 2020, 12:05 PM)  I'm running dual Dellortos not Webers, but I found being hooked up to just one carb gave the best results. Ansbacher Did the same with 36 drla's seem to work fine,tried to research this on many other forums …just got confused some said ok to run that way and others you must run from two vacuum points. The Alpha spec Dellorto's only run one pickup per set ,not sure if the ones imported by CB performance years ago had one each carb or none @ all. |
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Posts in this topic
dumbjim Vacuum ports on webers Dec 5 2020, 08:40 AM
michael7810 You get a lot of vacuum pulsing so T-ing both carb... Dec 5 2020, 03:35 PM
Tdskip Make sure you have vacuum ports - not all of them ... Dec 5 2020, 07:33 PM |
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