Holden Performance - Should choose 221

Hi I want to swap cam but my question is what duration I should choose and what changes I should do.


Best regards


Caprice SS 2002
Mid long headers, BBK 80ml TB, K&N air charger, TCI PULLEYS,

Do you have a target in mind , either 1/4 time or HP output ? it may help others to give advice if thay know what youre objectives are.

Hi actually I want to rich 400+ HP and I am thinking about installing SLP (ls2) package, in addition I want also to beat any modified mustang.

Thanks a lot