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posted February 20, 2007 08:21 PM
 Edited By: Staff on 20 Feb 2007 20:29
VP Racing Releases U4.1
 VP Racing Fuels, Inc. announced today it's discontinuing U4, its most popular racing fuel in the powersports market, and replacing it with their new product, "U4.1".
"U4.1 is an updated version of VP's U4 racing fuel, with improvements in several significant areas," said Steve Burns, VP's President and CEO. "Compared to U4, U4.1 offers up to 2% more power -- translating to as much as 8% more power than premium pump gas -- as well as no sticky residue and a less pungent aroma - all for a lower cost. This is a major technological step, considering that since its introduction in early 2004, U4 had become perhaps the most successful racing fuel in the powersports market and VP's fourth best selling fuel overall."
"For its time, U4 was the most technologically advanced fuel on the market for its targ eted applications," Burns continued, "but there are always improvements that can be made. At the time of U4's introduction, the engineering trade-off was a significant gain in horsepower while accepting its propensity to accumulate a gummy residue during storage, requiring fuel tanks to be drained between uses. For competitors, this was a small inconvenience in return for 6% more power than premium pump gas at an economical price."
"The development of U4.1 - a fuel with all the upsides of U4 and none of its downsides - is a real breakthrough and just the latest example of VP's technological leadership," Burns added. "Although not a high octane fuel, U4.1 runs in engines with 10:1 to 12:1 compression with excellent resistance to detonation. Technologically speaking, this is the best fuel we have ever produced."
Like U4, U4.1 is designed for all 4-stroke applications as well as stock 2-strokes. "There's virtually no powersports application that couldn't benefit from this fuel," said Burns. Oxygenated with ethanol, U4.1 is legal for off-road use throughout the U.S. Although U4.1 is illegal for AMA Pro Racing due to its oxygen content, it's still legal for AMA amateur, CCS, WERA, AFM and club level racing. It will retail for $9-11 per gallon, depending on the size of container ordered.
U4.1 will yield faster and more responsive engines without harming carburetors, O-rings or gaskets like some other race fuels will. According to Burns, its power gains compare to VP's best AMA Pro level race fuels for less than half the cost - a comparatively easy, inexpensive way to generate additional power. For example, a new exhaust system wouldn't generate as big a power increase and the increase would be on a smaller slice of the RPM range, while U4.1 produces power gains at all RPM levels.
Over its 32-year history, VP Racing has fueled champions in virtua lly every racing category and class -- from drag racing, road racing and circle track to motocross, off-road and off-shore. VP has earned a reputation for producing high quality racing fuels with superior power and consistency - as illustrated by its sweep of all AMA Pro Racing Championships in Superbike, Supercross, Motocross and Supermoto in 2006.
VP is also the official, spec fuel and/or contingency sponsor of AMA Supercross, AMA Motocross, Prostar AMA, NHRA, SKUSA, Stars of Karting, Rmax Challenge and numerous other sanctioning bodies.
In addition to fuels, VP's product line includes performance chemicals, specialty lubricants, traction compounds and racing-related accessories - each designed to produce the most power and best performance in their respective racing applications.
Source: VP Racing Fuels
   
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TRNorBRN6001
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posted February 21, 2007 07:01 AM
Edited By: TRNorBRN6001 on 21 Feb 2007 07:05
Dang, I realy liked that opened container of U4 in my garage, It gave the entire house that exotic race gas aroma!
Just curious what the Octane rating is if you know off hand?
Also curious on the specific gravity.
10.1-12.1 Ouch! Guess thats out for you Entropy!
____________
TFA 200MPH CLUB MEMBER!
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NOX
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posted February 21, 2007 07:47 AM
thats ok, I will be using it, U4 is the bomb, best bang for the buck.
2% more hp, who can argue with that........
____________
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SteddyTeddy
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posted February 21, 2007 01:15 PM
All sounds good but I'll believe the part about being cheaper when I see it. I checked with my local dealer today and was told it would be another week or two before it was available.
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NOX
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posted February 21, 2007 02:20 PM
I get it free, so I could care less what it costs.........
I did not see where they said it would be cheaper, but that would be awesome
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42 Wins
21 Runner-ups
2010 TMRC Super Street Points Champion
2010 PMRA Super Street #3 Points
2009 PMRA Super Street Points Runner-Up
6 Time Centerville Dragway Points Champion
Sponsored by:
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AMSOIL
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Catalyst Racing Composites
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CrotchRocket
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Bracket Racing with Betsy
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posted February 21, 2007 05:44 PM
*****"U4.1 is an updated version of VP's U4 racing fuel, with improvements in several significant areas," said Steve Burns, VP's President and CEO. "Compared to U4, U4.1 offers up to 2% more power -- translating to as much as 8% more power than premium pump gas -- as well as no sticky residue and a less pungent aroma - all for a lower cost. *****
U4 is/was 92 octane and U4e is 93 octane, both oxygenated...Only u4 is legal in Prostar-1000ss
____________
Jason Miller StreetBike Seminars
*****DragRacers do it better, because they dont cut Corners*****
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NOX
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posted February 22, 2007 05:32 AM
check out that last part, , no sticky residue........
i have never had problems with it, i take it out at the end of the year, and if my bike is not going to be run for two weeks, its okay, but this will make me feel better.
____________
42 Wins
21 Runner-ups
2010 TMRC Super Street Points Champion
2010 PMRA Super Street #3 Points
2009 PMRA Super Street Points Runner-Up
6 Time Centerville Dragway Points Champion
Sponsored by:
Scorpion Helmets
Galfer Braking
AMSOIL
Steve's Speed Shop
Kawasaki Sports Center
Mickey Thompson Tires
Catalyst Racing Composites
Conway Cycle
Syed Leathers
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CrotchRocket
Moderator
Bracket Racing with Betsy
Posts: 8038
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posted February 22, 2007 06:39 PM
I emailed VP and they told me that the U4.1 is still oxygenated and the MON is 95. We also reduced the pungent smell, lowered the RVP to prevent high temperature vaporization and it will no longer gum up the fuel system.
____________
Jason Miller StreetBike Seminars
*****DragRacers do it better, because they dont cut Corners*****
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