I have a 235 and 2 exhaust manifolds. One has a completely frozen heat riser and the other is movable but still quite hard to turn. Is there a way to free them up, or am I S.O.L.?


Travis Roberts
Waterloo, IL
'56 Bel Air 4 door Sedan (235 & 3 on the tree)
1995 1/2 Jeep Wrangler

56 Chevy Paint Codes and Pics