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View Full Version : leaning out questions please help b4 i tune


iloveturbos
01-29-2009, 07:40 PM
allright here it is red top w/ t28 full exaust (dp , cat delete , meagan elbow ) blitz intake , greddy front mount ..fuel system is new walbro , z32 filter , nismo adj.. fpr ..thats it for upgrades ...aem wide band in lower portion of down pipe ...heres what it does ..start up cold (live in the north east) 11-12.5 at idle ..as the car gets warmer it get leaner ..14-16 on the a/f at idle ...when driving casual it stays in the 14-16 area until i get into boost then it will go in the neiborhood of 10-12 but the more i push it the car starts too break up (full rich) on wide band .. when i stop at a red light it will be at like 16 and up fluctuating alot in the lean department ..i know i have the adj..fpr set too high but if i tighten it up it will stay lean alot more ..i am goin too take it too get tuned (rom tune on a dyno ) but i want to take it too him and not have any surprises..no vacum leaks i checked , no fuel leaks , i really cant dwindle it down so any help would be great ..thanks