economy tuning
EvoM Guru
iTrader: (50)
Joined: Mar 2006
Posts: 9,675
Likes: 132
From: Tri-Cities, WA // Portland, OR
+3 deg of advance over 0 to 100 load and 1500 - 4000 rpm definitely improved power at loads of ≤ 100 without any knock. I've now added another 2 deg at loads from 60-100. Still no knock but not sure yet if there is any more power. At these load loads, don't know yet if E85 is knock proof and can go right past MBT, or whether I still have yet to reach MBT.
Anyone have any thoughts?
Anyone have any thoughts?
EvoM Guru
iTrader: (50)
Joined: Mar 2006
Posts: 9,675
Likes: 132
From: Tri-Cities, WA // Portland, OR
I'm back to pump gas for a few days. Decided to try tuning my ignition map while on pump gas. Getting good results with the same map that I used for E85. Knock free except a very occasional knock sum of 2 for a few entries when accelerating through a load of 70-80. Responsiveness and power are much better. I can stay in vacuum for cruising 95% of the time, whereas before I would often have to go slightly into boost to get acceptable acceleration. Torque at low rpms is much better too. I can lug around at 1800-2200 rpm very easily now. I may try pushing up the timing even further in selected areas.
Would definitely be interested in seeing other people's pump gas timing maps.
Would definitely be interested in seeing other people's pump gas timing maps.
Last edited by mrfred; Jul 8, 2008 at 01:50 PM.








