# Tuning questions **URL:** \ **Category:** Shift518 Automotive\ **Created:** [August 21, 2011, 1:48pm UTC](https://forums.speedlife.net/t/tuning-questions/260091 "2011-08-21T13:48:30Z")\ **Posts on this page:** 1\ **Showing post:** 7
**Author:** ![ninety1two40](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/ninety1two40/32/6332_2.png) [@ninety1two40](https://forums.speedlife.net/u/ninety1two40)\ **Post date:** [August 22, 2011, 10:19am UTC](https://forums.speedlife.net/t/tuning-questions/260091/7 "2011-08-22T10:19:21Z")
> [@Location](https://forums.speedlife.net/t/location/44800/27): > > From my understanding and I could be wrong, that generally as dsb said most everything now a days is sequential, but when under WOT as far as I know generally revert to batch firing. They actually switch between sequential and batch? That seems odd :rofl My car is batch and it’s hard to lean it out at idle, It’s only a straight 6, with 780cc injectors. I’d like to convert to sequential for next year to hopefully smooth out the idle. --- _[View the full topic](https://forums.speedlife.net/t/tuning-questions/260091)._