Is it possible for 318 to run with dist. 180 deg. off ???

Was dinner time, sorry.
The V-8 engines common to us all turn the distributor 1/2 speed of crank, so whatever plug wire is opposite #1, fires at TDC .
In all the engines I can remember it was #6 . There certainly may be exception.
Same with 6 cyls and 4 cyls .
Our scopes were between bays, so was convenient to swing the boom and use the plug wire either side .
Cheers

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my 406 sbc would run off of no. 6 , but wasnt quite right , a well known chevy mech. that has a small block vega that runs around 8 flat , sriaghtened me out back in the day .
I suspect any engine with the firing order of an older sbc and a older mopar (18436572) engine will , mine did !!!