I found the same thing, I was assuming SCT wouldn't let you advance the timing or lean the a/f yourself for liability purposes. My tunes have all been overly rich (11 a/f) even after Bama's revisions, so I'm going to have to go to a dyno to get it fixed.

 

any1 know of a way to unlock further adjustments, or do you think the adjustabilty is built into the tune, and without a unlocked tune it would be impossible to do it yourself?

 

Im able to add or subtract 2 degrees with the SCT but im not sure if every tuner allows that.

 

Ah, I didn't know any handhelds (or at least SCT's) allowed to add at all. Is yours an SF3/X3?

 

Your tuner can set it up to add or subtract lot of things.
OR you can buy the PRP and set it up how ever you want.
Here is what the prp looks like to program options.

 

Ok so assuming i can get the tuner to set up adjustabilty on this tune, if i could advance the timing would i also have to increase the fuel and air ratios aswell or the timing is all that would need to be adjusted for more hp

 

the only thing your tuner needs to know is how much total timing you want and what the stoich of the fuel is.

One thing I am going to say though is on a fairly stock car you're not going to see huge gains by cranking the timing to the moon.

 

what about full bolts on's vehicle anything for that or am i wasting my time? Fuel wont be a problem we got the 100 and something shell race stuff here and i can blend gas for even higher octane.

 

Someone help me. In my 2022 SCT X4 tuner the ignition timing only says 0 to -10 degrees. Is the -10 retarding the ignition or advancing it.

 

If you don’t know then I’d highly suggest not messing with the timing. Let a pro do it.

 

When you don't know something. You learn it. Not just tuck your tail between your legs. Cause Professionals at one point were beginners.

 

its the EGR duty cycle. the pcm won't let you have real lean mean power above 24 ignition advance with no EGR flow. pistons and valves will melt.