I was once a big C&L fan, but not once I hit the dyno.
My a/f ratio was horrible. The graph looked like a roller coaster ride, going from 15:1 and as rich as 12:1 at other times. I ripped it out and put the stock MAF back in and the a/f went to a flat 12:1 with a mail-order SCT tune. After a few runs, we got it 13:1 across the board. I gained over 10rwhp over the C&L with the stock MAF. Sell the POS C&L on ebay and get an SCT tune.