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| Forum name | Turbo/Nitrous Tech |
| Topic subject | whats your a/f under boost |
| Topic URL | https://forums.2gnt.com/dcboard.php?az=show_topic&forum=i8&topic_id=101908 |
101908, whats your a/f under boost
Posted by pete@6psi, Nov-04-07 04:29 AM
just want to know what everyone is running. My car jumps from 11.1-13.5 all the way through redline. it goes up and down don't know whats going on anymore.
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101909, RE: whats your a/f under boost
Posted by justins71, Nov-04-07 05:54 AM
I've got mine generally around 13.0 @ 5psi, and down to 12 @ 10 psi.
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101910, RE: whats your a/f under boost
Posted by WickedESi, Nov-04-07 06:25 AM
I transition from 13.0 @ 0 psi to 11.4 @ 20 psi, with pretty aggressive timing.
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101911, RE: whats your a/f under boost
Posted by cs82685, Nov-04-07 09:05 AM
I'm trying to get mine in the 11.5-11.8 range but for some reason am having issues, so right now it usually creeps up to 12.5 which is why I don't really let it boost much.
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101912, RE: whats your a/f under boost
Posted by lild14, Nov-04-07 09:25 AM
12.0 to 12.5 at 6psi
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101992, RE: whats your a/f under boost
Posted by pete@6psi, Nov-11-07 05:06 AM
So whats safe and whats not?? I see theres a range between 11.0-13's
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101994, RE: whats your a/f under boost
Posted by link16, Nov-11-07 02:08 PM
Safety depends on your engine.
Stoich is 12.8 if I am not mistaken. You would be safe at WOT at that level if I am not mistaken. That is my goal atleast.
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101996, RE: whats your a/f under boost
Posted by DarkOne, Nov-12-07 01:53 AM
Originally posted by link16
Stoich is 12.8 if I am not mistaken.
You're mistaken. Stoich is 14.7:1.
You don't want to run stoich under high levels of boost .. it's too hot.
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101999, RE: whats your a/f under boost
Posted by link16, Nov-12-07 09:42 AM
Originally posted by DarkOneOriginally posted by link16 Stoich is 12.8 if I am not mistaken. You're mistaken. Stoich is 14.7:1. You don't want to run stoich under high levels of boost .. it's too hot.
:+ I knew it looked wrong.
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101997, RE: whats your a/f under boost
Posted by eclipse982nrRST, Nov-12-07 03:30 AM
11.4 @ 18psi last year.
Not sure with MSnS yet, havent driven it yet :(
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102000, RE: whats your a/f under boost
Posted by RfOeCnKdOeNr, Nov-12-07 12:04 PM
I am usually around 11.8 and 12.3 at about 7 psi.... And thats at idle fuel pressure at 55psi with 30# injectors. Damn SFMU.
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102996, RE: whats your a/f under boost
Posted by Noogabox, Mar-04-08 11:58 AM
I am around 9.-10 AF , yeah Mine is way rich at times, I gotta find the problem
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103013, RE: whats your a/f under boost
Posted by juggalo, Mar-05-08 07:32 PM
Originally posted by Noogabox
I am around 9.-10 AF , yeah Mine is way rich at times, I gotta find the problem
thats too rich. if you get to much fuel going in, it can dillute/wash the oil off your cylinder walls. try to stay between 10.5 and 12.5(maybe 12 if your at a low altitude)
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