[Land-speed] BBC Firing Order .

[John Burk]

Skip

The altered firing order cam would trade 5-7 interference for 4-2 
interference  wouldn't it ? Maybe it would reduce crankshaft harmonics by 
eliminating the normal 7,2 sequence crank twisting .

John



> My new cam will change the firing order of my BBC to 18736542....this 
> looks
> good to me due to getting adjacent cylinders away from firing together.
>
> What are the pros and cons?
>
> Pros: Smoother running, few more Hp from not having 5 take the charge away
> from 7.....?
>
> Cons: ?
>
> Now I'll have to put the same nozzles in all cylinders...........
>
> Skip
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