Coyote Wet kit tuning

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Coyote Wet kit tuning

Unread postby Badassbird » Wed Mar 23, 2016 7:25 am

The way I usually do it is I take out timing dependant upon load and rpm in the Spark adder for open loop table. This seems to work even though we are still closed loop at WOT. With fuel I have usually dropped my target L/AFR .02 or so, in order to meet my target afr on spray as it is jetted. This in the hopes that the PCM will not be pulling fuel from the motor while under spray. I like to let these pull 5% but this being the MAF table 5% rich. Does this sound correct or is there a better way?
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Re: Coyote Wet kit tuning

Unread postby decipha » Wed Mar 23, 2016 9:50 am

load is going to drop with the spray

if your spraying a wet shot then you shouldn't have to enrich as the jetting will do it, i prefer to always let the stft's bias richening, it prevents lean spikes
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Re: Coyote Wet kit tuning

Unread postby Badassbird » Wed Mar 23, 2016 7:42 pm

The only thing I was wondering was if the jetting, like most N2O wet kits, are set to be overly rich and the STFT will be taking fuel from the engine via injector. In this particular case the NA Lambda was at .83 and I wanted to run .81 on spray. I then remove jetting until the PCM is again only taking 5% just as it was during the NA pull. Alos will the global be pulling timing only at WOT or also while at part throttle. This car was roughly 24-25 degrees NA with the knock adder system active and being allowed to add timing to base. On the spray tune I zeroed that out so no timing could be added via the Knock Adder and then Zeroed the timing adder for open loop at .85 lambda and less. This gave me roughly 18 deg on this 125 hit which was my initial target to start with. Run went well before the clutch gave out at 5500 and 501hp. Just wanting to check my logic with someone that knows these in and out. :mrgreen: BTW thanks for taking the time.
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Posts: 23
Joined: Sun Mar 23, 2014 8:34 pm
Name: Tracey
Vehicle Information: 2001 WS6 D1SC @750 whp
1991 Camaro Z28 -stockish
1991 Camaro RS -LS1 Swap
1991 Camaro RS -3.1L V6

Re: Coyote Wet kit tuning

Unread postby decipha » Wed Mar 23, 2016 8:41 pm

the global spark modifier will be global, its easier for the lazy but its best to yank it from the table as you have since load is going to drop so youd have to take out more down lower

yea thats fine, -5% is nothing thats well within the widebands range
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91 4r70w - Skarlett
92 (2x) 5spd & auto - Bianqa, Andrea
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