Hello i have a 89 GT h/c/i #30 injectors 70mm tb. A/C EGR Power steering smog and heat stuff is all deleted. new stuff TPS and IAC. theres no check engine light in the dash and all after market phantom 2 gauges. bought the car 2 years ago blown up so this is after the rebuild nothing changed just built alot better then it was. now with maybe 12 miles on and the plugs are black. it runs alot better with the maf unplugged. the cap on the maf says pro-m 75mm and 30#. but the top cap has been tampered with so i tested a stock 5.0 maf and it ran the same. please Help
if you need more info just let me know. Thanks
if you need more info just let me know. Thanks