Originally Posted by
SoHotRightNow
i just bought a 7 port and im breaking it in...im now starting to tune it for race...if i give it a quick rev there is a lot of smoke but when coming back to idle it idles a little high for a second or so before settling back to normal. does this mean my lsn is too lean?
Your LSN is rich and your HSN is lean....... lean the bottom, richen the top and close the idle screw until the idle is acceptable. Once the engine is fully warmed up it should idle for 30 seconds and slightly load up when you rev it on the box once then be crisp the 2nd rev. Tune the HSN on the straight away