Re: 88 Turbo running lean... Long - Saab 900 Bulletin Board - Saabnet.com
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Re: 88 Turbo running lean... Long
Posted by JamieP (more from JamieP) on Tue, 30 Sep 2014 21:28:04
In Reply to: Re: 88 Turbo running lean... Long, Landjet [Profile/Gallery]
, Tue, 30 Sep 2014 17:46:23
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The ECU is stock. I calibrated the wideband as per innovates instructions when I first installed it, then I did it again a few days ago just for that purpose and its consistently reading the same as it was. One reason I believe it's running lean other than what the wideband is telling me is because I did run it for a while with APC hooked up (currently Im using a MBC to limit the boost to 7psi)it would only boost at about 10 psi and my knock LED would be flickering. The 14.7-15.9 is just too lean under those boost conditions. Any ideas what it should be at, say at around 10 psi or throughout the boost range. I believe it should be able to approach 20 psi with the current setup. SD red series turbo, RRFPR, AID, 9000 intercooler, injectors, SD apc box, 2.1 head, Wiseco forged pistons, external wastegate and 2.5 mandrel bent turbo back exhaust. I just kind of realized that maybe I should be posting this on the performance bulletin board.
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