appocalypse
Parking Attendant
Posts: 20
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posted March 27, 2006 03:25 PM
Race fuel
What's the best race fuel to use in the zx-10 at the drag strip???
  
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dubious
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posted March 27, 2006 03:29 PM
MC9. or U4
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appocalypse
Parking Attendant
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posted March 27, 2006 03:32 PM
Would i have to drain the fuel system?? I was on the VP website they said do not store in vehicle.
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mshep
Novice Class
Posts: 45
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posted March 27, 2006 04:46 PM
quote:
Would i have to drain the fuel system?? I was on the VP website they said do not store in vehicle.
you don't want to leave those types of fuels (MR9 or U4) in your tank sitting for more than a couple of months - they will gum up your fuel system and injectors.
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MadMike
Moderator
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posted March 27, 2006 04:57 PM
a couple of weeks from what I hear...
Mad Mike
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CrotchRocket
Moderator
Bracket Racing with Betsy
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posted March 27, 2006 05:50 PM
MR9.....................Nuf said!!!
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Jason Miller StreetBike Seminars
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CrotchRocket
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posted March 27, 2006 05:54 PM
You need this for MR9 if it's going to be in the bike for more than 2 weeks...
http://plumbing.hardwarestore.com/52-302-siphon-pump.aspx
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Jason Miller StreetBike Seminars
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appocalypse
Parking Attendant
Posts: 20
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posted March 27, 2006 06:03 PM
If i were to mix one gallon 93 octane pump gas and one gallon U4, and drive the bike to the track apprx. 7 miles make a few passes and continue to ride for the remainder of the day until the fuel light comes on and fill it up with 93 pump gas, it should be alright right?????
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Gary B
Expert Class
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posted March 27, 2006 06:23 PM
Yes, but you are losing what the U4 is giving you. It needs to be run straight.
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dubious
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posted March 27, 2006 06:26 PM
u4 will only give you and extra 4% power (approx.)
If you dilute , then whats the purpose?
The c12, and c16 really gum up, but these are for highly modified, high compr. ratio's with alot of timing advance.
The u4 never gummed up my FCR carbs( mx racing), but the propylene, and MTBE evapoerate rapidly. After a week in a vented container/ tank, any gains have pretty much evaporated away!
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natural selection.....
destiny will overcome intervention.
Some are not worthy of the effort.
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appocalypse
Parking Attendant
Posts: 20
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posted March 27, 2006 07:50 PM
OK I thought you mixed the u4 , glad i ask someone, thanks
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CrotchRocket
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posted March 28, 2006 08:23 AM
Not true dubious...I have had mr9 in my bike for 3 weeks and was still getting the same MPH as fresh mr9 from can...
Also used 3 month old opened mr9 from the can it came in with same MPH as fresh opened can!!!
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salsa1
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posted March 28, 2006 10:54 AM
MR9 is not a product that can be shipped the U.S. is it?
I Don't think I can get to South Dakota but would like to before race time this spring .. any info on this? Anyone sell MR9 in the midwest?
Mnimum purchase is 5 gal. I believe that would be about $100.00 as I recal reading somewhere; am I right?..
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chunter
Expert Class
Posts: 195
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posted March 28, 2006 11:35 AM
c12 & c16 burn way too slow for a stock motor zx10, better off with pump gas
U4 is a better bang for buck vs MR9 IMO
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swft
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posted March 28, 2006 12:05 PM
Yah, would agree with the c12/16. I was roadracing a SV650 for three years. Best numbers were on pump gas. Made it easy wrt fuel! 
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dubious
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posted March 28, 2006 12:38 PM
 Edited By: dubious on 28 Mar 2006 12:42
quote:
Not true dubious...I have had mr9 in my bike for 3 weeks and was still getting the same MPH as fresh mr9 from can...
Also used 3 month old opened mr9 from the can it came in with same MPH as fresh opened can!!!
I said vented container/ tank bro!
Was repliing to U4 not Mr9.
I have never ran stale gas on the dyno, to compare, and infact never tried MR9, because the U4 is cheaper, and legal for my sanctioned MX races in Alberta.
I have no experience with MR9
http://www.vpracingfuels.com/vp_01_fuels.html#specialty
scroll down thwe page to check specs!
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natural selection.....
destiny will overcome intervention.
Some are not worthy of the effort.
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CrotchRocket
Moderator
Bracket Racing with Betsy
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posted March 28, 2006 02:48 PM
Salsa, check the distributors for VP on their website...You can email them and they will tell you where you can get some...
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Jason Miller StreetBike Seminars
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philmy3rdleg
Expert Class
Posts: 209
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posted March 28, 2006 04:11 PM
If you are running a high compression engine then go with a high octane fuel, but if you are running stock then use U4(because its oxygenated)I think its only 93 octane. Also if you remove your exhaust/catylic converter try leaded fuels they have more lubricating properties.
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franz131
Expert Class
Posts: 341
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posted March 29, 2006 12:17 PM
quote:
If you are running a high compression engine then go with a high octane fuel, but if you are running stock then use U4(because its oxygenated)I think its only 93 octane. Also if you remove your exhaust/catylic converter try leaded fuels they have more lubricating properties.
U4 is leaded.
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