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Search: Posts Made By: Purdy Swoft
Forum: Model A (1928-31) 05-17-2018, 11:56 AM
Replies: 18
Views: 5,169
Posted By Purdy Swoft
Re: Would you recommend a hotter plug?

No harm meant but I've got to disagree . The W16 Y has a longer tip and may be hotter at 5500 RPM but is colder at lower speeds and runs black and sooty . Anybody that has first run W16 Y and...
Forum: Model A (1928-31) 05-16-2018, 05:13 PM
Replies: 18
Views: 5,169
Posted By Purdy Swoft
Re: Would you recommend a hotter plug?

Thats about the way mine looked before changing to W18 Champion plugs . Low speed stop and go driving can contribute to sooty plugs . After your engine gets more miles on it and gets driven longer...
Forum: Model A (1928-31) 05-16-2018, 04:06 PM
Replies: 18
Views: 5,169
Posted By Purdy Swoft
Re: Would you recommend a hotter plug?

Champion W16 Y plugs were too cold for my use . I now run Champion W18 in mine , even the ones with 5.9 heads and they run clean . Ford finally recommended a gap of .035 and that is what I use,...
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