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SU Tuning Help! 120-130


In really cold weather it is possible for the "choke" to stick on SUs. If the areas where the jet slides down is a little gunked up the return spring will not do it's job. A change of 30 or 40 degrees in temp. should not produce the symptoms you describe in a properly tuned carb.
If the car has been running ok, it may be something other than the carbs also. Moisture or some other problem in the dizzy might cause this.

Good luck & Cheers!
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