https://www.youtube.com/shorts/P82FcOy9scY
914 with fresh 1.8 and 123 distributor. Idle jets were swapped around , no change.
only seems to happen on #4. Notice the pooof in the barrel when it pops?
Kevin
Full Version: Idle issues, anyone want to take a stab?
Timing and/or valve adjustment
Use 1 idle speed adj screw to raise the idle a bit and remeasure the flow across all 4 Venturi. The other ISAS should be off the stop. Then report back with #s. At what rpm does the ‘sneeze’ cease?. What rpm is your idle set at?
I also have seen this if that cylinder is down on compression
Do you have recent compression testing numbers?
Do you have recent compression testing numbers?
QUOTE(brant @ Oct 26 2023, 05:42 PM) 
I also have seen this if that cylinder is down on compression
Do you have recent compression testing numbers?
103 -116
Kevin
QUOTE(rhodyguy @ Oct 26 2023, 12:53 PM)
Use 1 idle speed adj screw to raise the idle a bit and remeasure the flow across all 4 Venturi. The other ISAS should be off the stop. Then report back with #s. At what rpm does the ‘sneeze’ cease?. What rpm is your idle set at?
idle around 900 airflow at 6
Kevin
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