How much extra kW PERFORMANCE HIGH RATIO ROLLER ROCKERS HOLDEN VS VU VT VX VY ECOTEC L67 SC 3.8 V6 will supply to a stock ecotech just has 2.5" exhaust and bt1 chip and ported Plenum? Michael August 08, 2023 05:22 Updated You would be looking at power gains of around 10-13rwkw with the mods you have. Related articles What are the benefits of PERF HIGH RATIO ROLLER ROCKERS HOLDEN VS VU VT VX VY ECOTEC L36 L67 SC 3.8 V6? 5. L67 3.8L Supercharged V6 Extreme Package Comments 0 comments Please sign in to leave a comment.
Comments
0 comments
Please sign in to leave a comment.