shorty headers will my truck run too lean?
Posted: Mon Jul 28, 2008 7:09 pm
i have a 2003 chevy 2500hd 6.0 gas truck
im thinking of getting jba headers and have heard that if u use shorty headers with a hand held tuner you can run too lean is this true if so how much would i turn up my mixture with my 87 tune is it still running 14.7:1 ???
im thinking of getting jba headers and have heard that if u use shorty headers with a hand held tuner you can run too lean is this true if so how much would i turn up my mixture with my 87 tune is it still running 14.7:1 ???