coil mercruiser 4.3

Stingray1961

Seaman Apprentice
Joined
May 18, 2010
Messages
38
do you have to use a marine coil for a 4.3 or can you just get one at napa. Is there aq diff
 

jerryjerry05

Supreme Mariner
Joined
May 7, 2008
Messages
18,072
Re: coil mercruiser 4.3

You can use an automotive coil just get one with an internal resistor.What happened to the old?J
 

Stingray1961

Seaman Apprentice
Joined
May 18, 2010
Messages
38
Re: coil mercruiser 4.3

well probably nothing. But i am chasing down the lack of wot. I have done all the other fuel related things that are on here. Bought a vacum gauge check fuel pump still have to check anti syphon valve. Boats old figure to replace coil to see if that helps with wot
 

jerryjerry05

Supreme Mariner
Joined
May 7, 2008
Messages
18,072
Re: coil mercruiser 4.3

Do a compression test.A little more info:year model problem.Ethanol is messing up a lot of motors.It's delaminating the inside of older hoses causing clogs in the carbs and fuel filter.Check for soft hoses and junk in the filter on the motor.J
 
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