permatex ultra black sets up like hard but pliable rubber, don`t know the # of it, but is some good stuff, and is gas resistant. are you running resister type plugs in the roadrunner? the instructions that originally came w/ my fast 2.0, said not to. I was on a site researching the dist tuning process (lost my destrustions) and read where they recommend resister type now.! ??? the pests, (beasties) haven`t been bad here this yr., thank GOD ! haven`t seen but 2 mosquitoes, ( not out at night tho) and a hand full of flies, and the bagworms (webworms) aren`t near as bad as the last 3 yrs. !! think it`s too dang humid for them ! I can go out in the garage w/ fans on , and still be soaking wet in about 10 min., really sucks trying to work and sweat running all over my glasses. ready for fall-football and firewood . keep the posts coming, enjoy ur posts. Oh yea, what # of plugs are you running in the roadrunner/ I`m running 7 ngk, and think I might go 1 step hotter.