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Ford Flathead dragster build

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denverflatheader:
Andrew – two more pieces of the puzzle in hand, you have to remove (?) some material from engine block to fit mushroom part of lifters, or maybe already done.  Looking marvelous : )  DF 

andrewb:
I have magnesium bronze bushings to insert into the lifter bore then I will have it back spot face cut to accommodate the larger foot of the lifter. I know that the gains are probably minimal with this style of lifter but it's something I've always wanted to try.

Andrew

denverflatheader:
Andrew - one of three possible outcomes with your mushroom lifter design over stock Ford tappets; negative change, no change or positive improvement (engine dyno would verify exact results from stock tappet to mushroom lifter).  The next best thing is use what’s available, pencil and paper for me : )  I draw cartoon sketches, helps me visualize easier.  Based on my cartoon with stock Ford fh V8 cam, your mushroom lifter idea has obvious advantage over stock tappet.  Plus your lifters have additional merit being lighter and stronger.  I see “much” positive improvement over stock…  DF

andrewb:
That's a great visualizaion DF.

denverflatheader:
my pleasure, enjoyed sketching it out : ) 

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