Oh yea more info would help lol.
Its a 1980 ford Pinto (the one with the trunk not (hatch back). It has a manual tranny from an 84 or 85 Ford thunderbird (Turbo coupe) 5 speed
Rear axle is from a fox body mustang unsure of year
Stock engine inline 4 2.3L that has a racing cam, Headers, Stock intake manifold (I think) and a 2150 motorcraft on it right now.
It runs lumpy on idle almost like its going to stall but never does
Runs high when letting go of gas to shift while rolling
and when I turn off the car when hot it knocks or clunks yea clunks?