Del Rio goodies!................and exhaust test info
03-31-2006, 11:50 AM
#1
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Del Rio goodies!................and exhaust test info
car is being dyno'd as we speak on 91 and MAYbe racegas. i say maybe, because it might be maxed out on 91! racegas might put it over the limit for safe bottom end happiness. as it stands, the thing is -2.3 % air/fuel on the VAG and +5% on the throttle......so it's pretty bad ***. basically 12.5:1 thru the midrange 12:1 at the upper end. here is a link to some pics of the exhaust tests<ul><li><a href="http://forums.vwvortex.com/zerothread?id=2517629&postid=28115652#28115652 ">http://forums.vwvortex.com/zerothread?id=2517629&postid=28115652#28115652 </a</li></ul>
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03-31-2006, 02:44 PM
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Thanks Nate for the AFR e mails. Wow, 12/1 relatively lean at WOT assuming>>
you're pushing high boost otherwise real safe. I'd luv to be ~12.5 - 12.0 but I fear the real high boost from my relatively small turbo would prefer richer to assure against melt down.
In any event...tomorrow to KMD and a lean out. Depending on whether or not I'm reading the correct block (who knows?...block 33?) I'm richer than 11 to 1 at both WOT and heavy part throttle. Unburnt gas firing in exhaust, carbon build up and washing out cylinder walls result. Ahhh...the need for fine tuning at these levels.
In any event...tomorrow to KMD and a lean out. Depending on whether or not I'm reading the correct block (who knows?...block 33?) I'm richer than 11 to 1 at both WOT and heavy part throttle. Unburnt gas firing in exhaust, carbon build up and washing out cylinder walls result. Ahhh...the need for fine tuning at these levels.