Vince Warne
Member
- Joined
- May 4, 2017
- Messages
- 36
- Reaction score
- 5
- Points
- 8
- Age
- 52
- Location
- Baldivis
- Members Ride
- H.b.d vy ute.commodore
Hi all I have a question. Has anyone fitted mace high ratio rockers to there stock 3.8vy v6 .I have just done this to mine .I have a stock 200.000k motor with extractors high flow cats lukie sport muffler .mace cliams16+kW improvement. I have no notable change in power it has not being on dyno but I'm sure I would notice 16+kW.