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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Has anyone used VP Ultimate 2 ?
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[QUOTE="steve125, post: 655895, member: 20272"] After my dyno testing, I spent quite a few weekends trying to choose which fuel combo felt best to me on the track. The mr2 and ultimate4 at a 50/50 mix, was a very good combo. But an even better combo and the best ive ever felt out of a race fuel was the 50/50 mix of mrx01 and the Ultimate4. A crisp throttle response and a hard pump fuel like mid hit leading to a strong top with no detonation. Both of these fuel mixes required 1 richer on the main jet and 1 clip richer on the needle. These extra OX fuels really make power and will change your jetting, so watch out for that. Rich! finally ive got away from 50/50 with pump fuel! and glad to say will never go back. At least as long as Ultimate 4 or 2 is available :worship: [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Has anyone used VP Ultimate 2 ?
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