Rich at idle
 

i guys what i should do first on the table to change the amount of fuel , its very rich at idle and it back fire at 1600 + rpm with no load , i have 42lbs injector and a 383 ci engine

Re: Rich at idle
 

Go here and read https://www.thirdgen.org/forums/diy-...uide-book.html

Re: Rich at idle
 

your injectors are too large... u can get them to work but your gona have to detune all the stock settings alot. maybe lower the fuel pressure and change the injector constant. but you want to change the injector constant and the MAF tables if u have a MAF setup.