i have a 2001 ws6 with basic bolt ons... my mods list is in my sig.... i would like to keep my ls1 heads for now but will upgrade later... i want to three angle and run 2.02 1.57 valves.... i also have a stock ls6 intake but am looking to go to a typhoon with a full mod factory tb... with this set up i would like to run a ms4 but i dont know how well it will work.... no plans of no2... i want to make 450 if i can.... also was thinking of milling the heads... well let me know what yall think of my idea or any sugestions will help... thanks and have a great night.... mark

 

cam specs for MS4?

You may not be able to mill the heads since the PTV clearance may be tight

 

Youll definately need to flycut the pistons if you want to mill the heads or use a thinner gasket.