Hey all i posted here befor about my 86 gt. Its stock from what i know. What im looking for is a nice lopey can at idle with out killing my low end. I just went through the exhaust post and man these 5.0's sound great with a lope. To help out in keeping the stock heads. I will upgrade the exhaut and intake. If you need more infor i will gladly provide. Ty once again. i have never seen a forum this busy in my life glad i went to the DARK sideand droped chevysout of my life lmao . Ty all I love my fords now.