I'd bet the farm that it is an exhaust manifold gaskit leaking ..............wait a minute, I don't have a farm, and it could also be a loose rocker arm, a loose spark plug, or even an electrical arc from a bad spark plug wire.


John Luttrell
2001 4x4 short cab, 3 inch lift with 33 inch mudders and Powertrax no-slip in the rear


1991 Jeep YJ, 4 inch suspension lift on 33" BFG's