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Hrobb256

need input on pe tuning

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have a 03 awd ss and taking it to a dyno is out of the question I know each setup is different but wondering what air fuel ratio is a good target for best power on these trucks? I was thinking about trying to shoot for a 12.2-12.5 if anyone has some dyno experience would be appreciated. im running small cam headers no cats cai

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I would definitely talk to a professional tuner and have him "street tune" the truck.

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:withstupid: Find you a good tuner, (Zippy), Let him know what your current mods are and he will set you up with a tune. In the future you can send him logs from a laptop and he can tweak and fine tune it.

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12.5 to 12.8 is a good target on good gas. Watch for lean kr. If you start to see it. Richen it up a bit. Also make sure your commanded and actual AFR match. If they don't. You need more tuning than just looking for a value on a wideband.

 

Sent from my HTC6545LVW using Tapatalk

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thanks truck has been tuned I have hptuners and was seeing some high 11's on the wideband and thought that was a little rich it runs good just wanted to see what you guys shoot for and see how it does in the mid 12s

thanks

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12.5 to 12.8 is a good target on good gas. Watch for lean kr. If you start to see it. Richen it up a bit. Also make sure your commanded and actual AFR match. If they don't. You need more tuning than just looking for a value on a wideband.

 

Sent from my HTC6545LVW using Tapatalk

 

Good advice here.

 

To the OP - Honestly, I saw very little performance gains going from 12.0 to 13.0 tailpipe AFR for a NA truck. I would target the range from CHP above.

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Good advice here.

 

To the OP - Honestly, I saw very little performance gains going from 12.0 to 13.0 tailpipe AFR for a NA truck. I would target the range from CHP above.

 

Hey Kevin,

 

Great to see you back for a visit. I hope all is good with you.

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Hey man! All good here. I have been out of the performance vehicle arena for a bit though. Thinking I need to jump in again...

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Hey man! All good here. I have been out of the performance vehicle arena for a bit though. Thinking I need to jump in again...

 

It will draw you back in after a while.

 

Merry Christmas.

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Pe needs to be around 12.5 on a n/a vehicle 11.0-11.5 on boosted I reduced my time pe kicks in as much as possible also

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