How far can I advance the timing with (mods)
#1
Rotary Freak
Thread Starter
How far can I advance the timing with (mods)
Basically Mazdaspeed7 mods. But I have a S-AFC and am leaning out a big. All the manifold Porting has been done. Thnx.
89GXL
89GXL
#2
mad scientist
Because you have it leaned out some, youll need to run higher octane or run less advance than you could without the S-afc. I would advance it a few degrees, to maybe 23-25 total advance, and see how your car does. If you feel a loss of power in the low to mid range RPM's, and/or hear a faint crackling sound(kinda like popcorn popping) back the timing off a little, or put higher octane in.
#3
Brother of the Rotary
iTrader: (2)
Man, adjusting ignition maps and leading/trailing split is an art that very few people know.
For my TII, as an example:
In the high load areas in the meat of my powerband I havet the timing around 20. In the higher rpm at low loads its up 34.
Anyways, what I'm trying to say is that with a TII, you can advance it pretty far...
For my TII, as an example:
In the high load areas in the meat of my powerband I havet the timing around 20. In the higher rpm at low loads its up 34.
Anyways, what I'm trying to say is that with a TII, you can advance it pretty far...
#6
mad scientist
Originally posted by CaR 13
whats S-afc?
whats S-afc?
Evilrotor, calm yourself He's talking about advancing the base timing on the stock ECU by turning the CAS.
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