motorcraft? NGK? bosch? champion? etc. etc. wot u recon?

n copper core, platiunum etc. etc.

v electrode, twin electrode, super4 etc. etc.

are they actually worth using? if so which type?

or shall i just stick to the ford jobbies at 70p each?

also does ne1 know what the std plugs are for the 24v granny scorpio? and also what one grae "cooler" are? (as i've been reccomended to go a grade cooler for n20)