10-18-2019, 07:10 PM
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#21 |
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Senior Member
Join Date: Dec 2010
Location: East Coast in CT
Posts: 1,529
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Re: block quandary
Lawrie since your not in a country where Flathead blocks are plentiful any longer if it was me i would be conservative and use .040 rings but I would eliminate that awful bottom oil ring saving additional weight. You end up saving the block for a future rebuild maybe not for yourself but the next lucky guy who ends up with it maybe 30 years from now. Heck most stock rebuilds we do these days with four ring pistons that bottom ring is always thrown away. Doing this helps reduce friction thus reducing heat and best of all additional gas mileage.
Ronnieroadster
__________________
I use the F word a lot no not that word these words Flathead , Focus and Finish. "Life Member of the Bonneville 200 MPH Club using a Ford Flathead block" Owner , Builder, Driver of the First Ford Flathead bodied roadster to run 200 MPH Record July 13, 2018 LTA timing association 200.921 in one and a half miles burning gasoline. First ever gas burning Ford flathead powered roadster to run 200 MPH at Bonneville Salt Flats setting the record August 7th 2021 at 205.744 MPH |
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