ORIGINAL: freeonthree
Im not looking for more rpm or power, or even speed, I just dont want to lug or over rev the engine. I figure that 8000 rpm, wide open, tied down, will be maybe 8500 in the air unloaded and wide open. Thats pretty close to the max rpm of 9000. Im new to this gas stuff, but im learning. I just hope im readin the right stuff. I read somewhere, that the LSN effects the high speed, but not the other way around, but I turned my HSN last night, and my idle speed changed, so I don't buy that theory at all, not with this carb anyway. Also, I read that these engines idle at 2 to 5 degree;s, and full advance to 28 to 32 degrees BTDC, and the box says auto advance right on it, but I pulled the plug, and the magnet passes the hall sensor no where near 2 to 5 degrees BTDC, it's an inch away from the sensor at TDC ! I would guess it as passing the sensor at around 28 to 32 degree's BTDC. I have to hook up my inductive timing light to this thing and see what really goes on. It appears to me that the timing is just set to full advance, but the timing light will tell...[>:]
Your correct like ED said the magnets are set to full advance and the box can keep track of the rpm and adjust the timing as needed
It doesn't hurt to put a timing light on it but you will to degree the crank otherwise you won't know what the timing light is telling you though at WOT it should be near the magnet somewhere
you may need to use a short piece of plain plug wire to get the timing light to go
just be careful not to turn the engine without the plug grounded