Quote:
Originally Posted by cascade_crawler
I wonder how much your head mod plays into the fuel efficiency?
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Unfortunately, I didn't get any exact nos. before I sent my head out. It was one of the first things I did. I've read on here that its good for 5-10% improvement.
Honestly, the gain in fuel efficiency from the head mod is a bonus. The real treat is that the power-band is smoother everywhere, idle is more consistent, and throttle response is better. I can pull a gear higher when I need.
Bottom line: It just makes the engine noticeably better everywhere. Thanks Ron!