I am building an 83 w350 to use as a work truck for hauling and plowing. It is a 360 4speed with 4.10 gears. The engine is a 360 out of a plymouth fury st.regis police cruiser. It is .30 over with 9:1 compression the previous owner told me it had a mp purple cam he couldnt remember the specs but it is an rv cam slightly more agressive than stock. It currently has a stock 360 cast intake with a holley 600 on top. I am going to replace the intake gaskets and was wondering what intake I sould go with I have an Eddy LD340, stock 1970 340 cast intake, eddy proformer 318/360 or the stock 360 cast intake. I am mostly looking for torque for hauling and pushing snow. I also need to do some exhaust work how much would I gain with a set of headers? It currently has stock center dump manifolds with an H-pipe looks like 2.25" with some rotted out glasspacks dumped right behind the cab. The engine runs strong I am just looking to see if I can make any improvements while the truck is apart
thanks, Brian