ive got a vy acclaim commodore 03 v6 and wanting to put yella terra roller rockers in it is that possible without getting anythin changed on the engine?and how much are they ruffly worth thinking of gettin it done at yella terra in moorabbin but is it worth gettin it done to a v6 vy will it stuff anythin etc? and also wil it change the sound of the exhaust to a more tuffer deeper sound ive got a redback 2 nd half inch catback with no rear res please give me info on these for v6s and wat changes wil i have in my car thanks ---------- Post added 24-01-11 at 06:04 ---------- pllleeaasseee i need anwsers for these Some original photos have not been recovered yet.