What's the difference?

sred137

Seaman
Joined
Nov 24, 2009
Messages
62
QL77JC4


L77JC4

My manual says that I can use either or for my 1985 140hp johnson gapped at .04.Just wondering what the difference is?

Thanks Shawn
 

tashasdaddy

Honorary Moderator Emeritus
Joined
Nov 11, 2005
Messages
51,019
Re: What's the difference?

Q stops the static interference with radios, VHF, fishfinders. use QL 77J4
 
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