Re: What’s up with this mercury crank gear (backwards?)
Quote:
Originally Posted by alchemy
So Ronnie, it makes no difference which crank and cam gears are used, the cam will be pushed forward anyway by the rear gears?
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Yes that's what I discovered surprising myself upon the discovery.
As Dale wrote the cam movement will effect the ignition timing on the latter flatheads 8BA versions. A few degrees of timing change will be noticeable if the cam is allowed to move to much. Checking the cam end play is something not many will do but its worth the effort and simple to do prior to assembling the valve train in the block.
Also as Pete wrote above straight cut gears eliminate this issue and I can say for certain that's the best way to go if your interested in building a record setting Ford flathead.
Ronnieroadster
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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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