WOT wont go above 23*/24* of timing, camanded 27*

[randall]

403, 11.3 comp, afr 230 heads, 239 239/ 623 623 113+2, fast 102, N/W 102, 42lb racetronic/ delpi inj., ls3 mass air in 4,25 I/D. tubing, LT, 2.5 exhaust, no cats xpipe, 4l60e, 3200 vigilante, 04 gto ecm,

farlessfinal.hpl403 dyno.hpt

[Honduh]

what are you IAT's and ECT? i'm not too familiar with the program yet, but if there are compensation parameters you'll need to tone those down. Example: 130* intake air temp = retard timing by 5*

[planethax]

Burst Knock retard of 3*
27-3 = 24*

[randall]

Thanks, looks like burst knock. will find out tomorrow.

[Exidous]

I'm seeing the burst knock as well. Your WOT VE/MAF needs some work. You shouldn't have to change the PE to get the AFR you want. Commanded and WB AFR should overlay each other. Add more to the VE/MAF and change the PE to what your target AFR is.