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edited as I think I got the lean-ness a little OTT, don't think it det'd
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13:1 there Rob.
Mine was running that lean even with a fuel pressure hike. Don't really understand why the dyno says it was revved past 7.5 k, that don't make much sense to me. It looks like you were running around 0.8 bar. |
thats a really nice looking shell. i want it!
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Quote:
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rpettarfor's s12
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Yeah it is...
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random :confused:
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from the dyno at the JAE 2007, these are wheel power (bolted to hubs) not flywheel as the images state :cool:
T25, intercooler, Greddy Profec II boost controller, 2.5" straight through, colder plugs, HKS clone filter, bigger throttlebody The red line is the first run at 7-8 ish PSI the second is with overtake boost locked on. They estimate about 20% transmission loss for RWD cars so thats around the 200BHP mark which follows the general thinking on this site for the level of mods. BOOST http://i33.photobucket.com/albums/d7...dyno-boost.jpg BHP http://i33.photobucket.com/albums/d7...2/dyno-BHP.jpg AFR http://i33.photobucket.com/albums/d7...2/dyno-AFR.jpg Think I might need a new fuel pump, although it didnt actually get anywhere near being lean (16) or even closed loop (14.7) Strange how they have that blip in the AFR ratio, guess thats the ECU switching to the "eek he's flooered is map" at high RPM/load |
Its leanest point is about 12.6:1 with the highest boost setting, which is about perfect for good power. The peak at 4200rpm seems a bit odd on the 2nd run though, but no harm being too rich though
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