TBI 350 with Howell harness running rich got a stock sbc 350 with rochester/gm tbi and a howell harness and chip in my
cj7. well, 2 howell chips now. with the 1st chip they sent, it idled rough and was rich. called howell, told them the codes etc and they burned a new chip and sent it out. now, 2nd chip, it's still running rich and ...