[budthespud42]

I HAVE A 400 MOTOR WITH ONLY 52,000 ORIG MILES ON IT AND I WANT TO MAKE MORE HORSEPOWER WITHOUT SPENDING A MAJOR AMOUNT OF CASH.HERE'S WHAT I PLANNED TO DO
1)SMOOTH OUT THE PORTS IN THE STOCK HEADS.
2)INSTALL A EDLEBROCK PERFORMER INTAKE AND AFTER MARKET CARB.
3)HEADERS AND FLOWMASTER EXHAUST 2 1/2" ID.
4)MILD CAM.
IT ALREADY HAS A GM ELECTRONIC IGNITION WITH A ACCEL COIL AND WIRES.WOULD TAKING A BIT OFF THE HEADS FOR MORE COMPRESSION BE A GOOD IDEA? ANY IDEAS OR MEMBERS WHO HAVE WORKED ON THEIR 400'S AND HAVE SOME FEEDBACK WOULD BE A GREAT ASSET.I'M ON MY OWN HERE NON OF MY BUDDIES HAVE PONTIACS SO I'M LOOKING FOR SOME GOOD INFO PLEASE.

[budthespud42]

I HAVE A 400 MOTOR WITH ONLY 52,000 ORIG MILES ON IT AND I WANT TO MAKE MORE HORSEPOWER WITHOUT SPENDING A MAJOR AMOUNT OF CASH.HERE'S WHAT I PLANNED TO DO
1)SMOOTH OUT THE PORTS IN THE STOCK HEADS.
2)INSTALL A EDLEBROCK PERFORMER INTAKE AND AFTER MARKET CARB.
3)HEADERS AND FLOWMASTER EXHAUST 2 1/2" ID.
4)MILD CAM.
IT ALREADY HAS A GM ELECTRONIC IGNITION WITH A ACCEL COIL AND WIRES.WOULD TAKING A BIT OFF THE HEADS FOR MORE COMPRESSION BE A GOOD IDEA? ANY IDEAS OR MEMBERS WHO HAVE WORKED ON THEIR 400'S AND HAVE SOME FEEDBACK WOULD BE A GREAT ASSET.I'M ON MY OWN HERE NON OF MY BUDDIES HAVE PONTIACS SO I'M LOOKING FOR SOME GOOD INFO PLEASE.