Hey y’all
I have a Cheif with the 401 and a California Howell tbi efi installed by previous owner. Some time ago i installed a new Davis HEI , I had timed it to 12 degrees with the vac advance disconnected it has idled high since. Did the idle adjustment per Howell’s instructions. Anyways I am revisiting the heigh idle issue. And just went to Howell’s website and went through the instructions and did not see the procedure for timing the dist. I also noticed the vac line to the advance is full vac at idle. I was wondering if anyone knows if 12 Deg advance is ok and if not What should it be set at?
I have a Cheif with the 401 and a California Howell tbi efi installed by previous owner. Some time ago i installed a new Davis HEI , I had timed it to 12 degrees with the vac advance disconnected it has idled high since. Did the idle adjustment per Howell’s instructions. Anyways I am revisiting the heigh idle issue. And just went to Howell’s website and went through the instructions and did not see the procedure for timing the dist. I also noticed the vac line to the advance is full vac at idle. I was wondering if anyone knows if 12 Deg advance is ok and if not What should it be set at?
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