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Old 04-09-2021, 01:22 AM   #4
FortyNiner
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Join Date: May 2012
Location: u-rah-rah-Wisconsin
Posts: 1,137
Default Re: 49 flathead rebuild. Fuel?

I have a freshly rebuilt 239 V8 59ab stock style setup and am running regular unleaded - same as my original everything I6 226 in the '49. The lead substitute products contain mostly clever marketing.
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19 and 49 F1 - jes' like Henry II built
1946 Deluxe - as Henry built it
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