Resto - Which length plug wires?

[FSHTAIL]

Is there a restoration reference for which cylinder gets which length plug wire?

Local guy has a bone stock 70 340 and it's pretty stock and asked me to ask.  (Hes not internet saavy)

His car has some goofy accel wires that seem way too long that a shop installed as a part of a tune up. 

Thanks. 

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[Chryco Psycho]

I just use a universal set [spiral core ] & trim them to the right length , too long can get into to trouble rubbing against the wrong places etc , you want them short & well routed , , you could buy new ends & a crimp tool from MSD & rework the new wires easily