48 *N skips at high speed

Hi, All.
I have a 48 *N Ford.

It starts right up no issues.
However at high speed there is a definite skip/miss and it seem under power.

No back fire.

New plugs/new filter/checked screen in carb/great gas flow.

checked spark on all plug/ Bright yellow and large.

New coil/points/condensor
 
Forget '48', means nothing, rather know important stats and state if a front mount distributor or side mount and if 6V/POS GRN or 12V/NEG GRN. Regardless, is the wiring correct for whatever system you are using? Hard to define a 'skip' -does it cutoff? ...New coil/points/condensor... also means nothing if not properly tuned up. Did you set point gap, time, and test the unit correctly before mounting? Breaker points on front unit are set at .015, side mount is .025. Plugs gapped at .025. Firing Order is 1,2,4,3 CCW. Get your Essential Manuals and verify wiring.


Tim Daley(MI)
 

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