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Old 08-10-2009, 09:17 PM
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Originally Posted by Torque454
Leaking throttle shaft bores can make this happen. Also if there is some binding somewhere or a weak spring (the one that closes the secondaries) it might not be closing the secondaries all the way. Ive had that happen on some old weber 32/36 2 barrels.
I dont think its the throttle shafts; i installed throttle shaft bushings, and made sure that there was no play. i customized the primarys and secondarys to open to a full 90deg. and played with it a while to make sure that it worked well. i did a fairly thurough job of rebuilding it. even boiled it in white vinigar and blew out all the passages with carb cleaner and comp. air! i think ill spend the weekend playing with it to see if i can see anything visualy sticking or binding.
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