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valve and seats

Moderators: Curt!, Pa


dannie r frost

Posts: 2

Joined: Fri Dec 03, 1999 1:01 am

Location: anacoco,la,71403

Post Fri Dec 03, 1999 9:07 pm

valve and seats

just finishing my first 45 flathead and i would like to know if its going to hurt to run it with unleaded gas in the long run? its a stock g series with cast heads and 40 over.


Posts: 582

Joined: Fri Oct 01, 1999 12:01 am

Location: meridian, id. usa

Post Fri Dec 03, 1999 9:27 pm

Might try some lead substitute once every 5 or 6 fill ups. one or two caps full per gallon of petrol. next time you rebuild take the barrels to a good shop and have some hardened seats installed. but U should be able to go a ways as long as your being speed wise and run a tad richer then normal. and dont try to keep up with sporsters. and dont pack to much extra weight

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