Quote:
Originally Posted by jca  Does your M44 tune up create a rougher idle? Thanks, John |
I will answer this for you. There should be no change in idle since your DME adapts for the best AFR or Lambda during normal driving. The ruff idle is caused by increasing overlap in the camshafts (when both intake and exhaust vales are open at the same time to cause a scavenging effect). Degree your camshafts with lots of overlap and you get more high end power while suffering a lose of low end torque.
Anyways simple answer to your question is no Barrie's tune will not cause a ruff idle.
Best, John Smith