I HAVE A 89 CIVIC HB WITH A B16 SWAP... at lower rpm (mainly 2000 to 3000), in any gear, if i stay at the same rpm i get a bad sputtering almost like a missfire?? any ideas?? also the module in the distributer keeps going bad on me i have a msd blaster coil and cap. coil is hooked up correctly. i know some people at a shop around here and im not the only one who has the dist. problem but they have no fix or ideas,any help would be great.