What i would do first is check the distributor cap and rotary button that's what usually goes bad first. if that's not it it could be the coil or maybe even the distributor itself.
no
YES.
The spark plug gap for a Chevy Celebrity V6 is 0.045".
It should be a 700R4
1900pounds
0.045"
31/10.50/15
no, they have different bellhousings and oil pans
they work fine in my 1984 3/4 ton Chevy with a 383 stroker.
replace the worn parts.
Yes.
refer to http://www.sparkplugs.com/Default.asp