MicTheGreaseMonkey
Member
- Joined
- Mar 12, 2018
- Messages
- 131
- Reaction score
- 6
- Points
- 18
- Age
- 53
- Location
- Melbourne
- Members Ride
- 2000 l67 commodore berlina
ive got a 74mm yella terra pulley ready 2 go on as soon as i get the a2a 1ntercooler. but on the zzp website they sat if u add a xpz cam(stg 3 l67 mace cam) & port the heads ect u can go a 74mm/2.9" pulley without a cooler. any thoughts!!! also does a 74mm need to b tunned to accept?