Any alternator will charge at idle.
800 rpms.
YOU CAN'T. It is NOT ADJUSTABLE. The idle is all computer controled.
17-21
750 RPM
vacumm leak problem.
19 to 21 inches at an idle.
17 TO 19 INCHES AT A IDLE. 18 to 21 inches at idle, and the above answer is close enoungh too.
an idle rpm for a 350 stadard trans. is about 500 rpms. an auto is about 750 rpms. this is if the eng. has a stock cam. if not it may vary
1500 at first until it kicks down to 850 rpm
It could be the Idle Air Control (Idle speed control) valve. Its located on the left side of your TBI and has an electrical connection.
It depends on the year. If you can't get the idle down, check for vacuum leaks. That seems to be a primary cause of high idle, especially for the TBI engines.