ZR-1 Net Registry Forums - View Single Post - A tuning tale: BLMs say lean, plugs say rich

WARP TEN · 11-11-2018

This may be a little out of left field, but have you tried a slightly higher heat range of plugs? Maybe your plugs are running a little cool for your most typical driving and a change might show less discoloration. --Bob

11-11-2018	#10
WARP TEN Join Date: Apr 2007 Location: Lake Bluff, IL Posts: 2,153	Re: A tuning tale: BLMs say lean, plugs say rich This may be a little out of left field, but have you tried a slightly higher heat range of plugs? Maybe your plugs are running a little cool for your most typical driving and a change might show less discoloration. --Bob __________________ 2016 Long Beach Red Z06 #10281 "POPS Z" 1995 Polo Green #409 "WARP TEN"--Haibeck 350/510 package, 4.10s, Hurst, Stock Exhaust with QTP Cutouts --Sold but still running strong 1993 Quasar Blue #161 "HIL KING" --Sold but still running strong, now with more than 120,000 miles 1967 Marlboro Maroon/Saddle Corvette Coupe 300 hp/4-spd --Sold a long time ago ZR-1 Net Registry Founding Member #95 NCM Lifetime Member Favorite Quote--Attributed to Mickey Thompson: "Too Much Horsepower is Almost Enough"