Home › Forum › Ask A Member › 50s Johnson sparkplug? › Re: 50s Johnson sparkplug?
August 25, 2017 at 10:57 pm
#63784
good thing is just bought a bunch of J8C’s and J6C’s got 14 and 24 respectivly for the H10 as i think my FD10 takes H10’s could i sub in j8C’s as i see they are between J7J and J8J and people have for other motors said to sub in j8’s for them.