Timing / VE both affect AFR..?

[destey]

I was tuning my VE table with my wideband, getting it a little closer each day. Then I discovered my spark table was way way too low, so I bumped it up.

Consequently, my AFR went lean to varying degrees across the board.

My question is this. If i'm tuning my VE table with the air-fuel ratio, and spark advance also affects the air fuel ratio, what do I do? Get the spark table advanced as much as I can without KR, then focus on the AFR?


thank you thank you,
D

[odd boy]

You need to get ur VE table and AFR done first, then you move toward spark.

[destey]

what if I had the VE table pretty close then messing with the spark changed my AFR?

Can someone in the know clue me in?

[5_Liter_Eater]

You simply have to re-do your VE table based on your new spark table.

[destey]

You simply have to re-do your VE table based on your new spark table.

Makes sense, thx!