> > The NGK tri-electrodes are also supposed to be quite good. I use the NGK tri-electrodes on both my TQ and '84 5kS. Love 'em, and they're cheap! -- -Mike mikes@specnet.com mks107@psuvm.psu.edu 87 5000CS TQ 84 5000S (2,000 miles away and a mile high) 90 80 (sibling's mode of transportation I get lynched into working on)