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What A/F should I use for wot??

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Old 01-29-2007, 04:42 PM
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Default What A/F should I use for wot??

OK well I have a full bolton car w/ a 231/234 .644/.598 111 lsa torquer v3 cam.

I have been tinkering with hptuners and I don't know exactly what would be a good idea to start my a/f at? I realize this varies on a case by case basis and I would have to use a dyno to fine tune it. I don't have access to a dyno atm. What would be the best bet for max hp?


Atm: I have 12.8 from 0 to 4800 rpms and then 12.6 from 4800 up. What are your suggestions to getting the most power?
Old 01-29-2007, 06:01 PM
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I'd dial it in to 12.50 across the board until you can get it on a dyno to see if leaning it out makes more power.
Old 01-29-2007, 10:40 PM
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at what RPM? at different rpms you can use so much fuel...

usually this lets us use more fuel down low to make more power and less up high as we don't have time to burn it all as much as down low


what i have seen make power N/A is about a 12.6 or so up to a 13.5 or so
Old 01-29-2007, 11:53 PM
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All setups are different. I would say 12.8-13.2 would be optimum at peak power, while still staying safe. You can give it more fuel at peak torque, and then lean it out as the rpms climb towards peak power.
Old 01-30-2007, 12:01 AM
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i agree with 12.8. thats usually a more common afr. Then again, 12.5 sometimes puts down the same as 12.8 would. All depends on how your car reacts. id suggest 12.8-13.1 just to stay a little lean. If you go SSpd's route, then when you get on the dyno you're just leaning it out. otherwise, you may end up richening up your 12.8(if you set it as that) just to see that a richer afr creates the same hp/tq. Up to you really.
Old 01-30-2007, 07:42 AM
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I have the following settings dialed in

12.3 form 0 to 3000 RPM
12.5-12.7 3000 to 4500RPM
12.8 to 13.1 4500 to 5500RPM
12.5 from 5500+

Not saying my settings are right, but seems to be okay.
You want to be richer 12.5ish at peak tq. and around 13.1 at peak hp for NA.




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