MBC & diode ... should I regap plugs?
 

I have bumped my boost up to 20 & wonder if I would benefit from gapping the plugs.

What do you think?
Thanks,
Eric

yes, regap them.

what type of plugs and gap do you have now?

I've got the stock plugs and an apr 93 chip. Should I regap them? And at what spec? Will it run any differently after they are gapped?

from my experience, 180's seem to be fine with just a chip/diode on stock heat range plugs but still need gapped down to .028. With more bolt ons, i would go colder

With a 225 i would go one heat range colder with a chip/diode (7) and down to .028.

so with a chip, what plugs should i buy? and will it run any differently with colder regapped plugs?

I already answered that in the post above yours. One heat range colder than stock and .028

no, I'm asking about a recomendation for a specific brand/part#
And the 2nd part of my question is, will it run any differently/better?

A list of plugs is in the FAQ. Most people (me included) just run NGK BKR's since they are < $2/plug and work well.

As for heat range, you have less of a chance for them fouling up on a chipped 225 if you go one colder. I wouldnt run stock heat range on anything nonstock but a chipped only 180

thanks cinc