Sunoco race fuel comparable to VP U4.4??

Wade221
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3/8/2016 6:34pm
Sorry if this same topic has been covered in the past...

Yesterday, I was in my local Riebes (Napa) getting parts for my truck, and noticed they had several 5-gallon pails of Sunoco race fuel for sale. 113 Octane and "103 Motor/octane, oxygenated fuel". I was in a hurry and the counter guy was no help, so I didn't research it more. Seems to me the "103" is similar/same as VP U4.4? I wouldn't put more thought into it, except price was $52 for a pail (compared to $90+ for U4.4). Anyone have positive/any experience, or does the old adage "get what you pay for" apply?
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TSCHAM101
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8/9/2018 9:33am
anybody know what sunoco fuel is compareable to VP's U4.4?
RonJon
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8/9/2018 9:52am
TSCHAM101 wrote:
anybody know what sunoco fuel is compareable to VP's U4.4?
EX02 is probably the closest. Both oxygenated and make about 110 octane. I run the 260GTX. it makes a good amount of power without remapping and a longer shelf life unlike VP MR Pro6
tasco
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8/9/2018 9:58am Edited Date/Time 8/9/2018 10:00am
In not sure which sunoco fuel you found in the store. Those octanes dont match up to any of their fuels. Sunoco lists EXO2 to be the closest to co u4.4

Edit: I just noticed the date of the original post. That fuel is probably old by now.
TSCHAM101
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8/9/2018 10:09am
i have a friend who is licensed to sell Sunoco products, but deals mostly with basic 110 octane or methanol (circle track people) and was just curious if she could save me some $$ by switching to sunoco..

The Shop

bvm111
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8/9/2018 11:53am Edited Date/Time 8/9/2018 11:55am
TSCHAM101 wrote:
anybody know what sunoco fuel is compareable to VP's U4.4?
RonJon wrote:
EX02 is probably the closest. Both oxygenated and make about 110 octane. I run the 260GTX. it makes a good amount of power without remapping and...
EX02 is probably the closest. Both oxygenated and make about 110 octane. I run the 260GTX. it makes a good amount of power without remapping and a longer shelf life unlike VP MR Pro6
X2 on the 260GTX!

It has been very good in my 2016 KX450, no ethanol, and I am getting it for about 40-45 dollars a pale!
CRFracer117
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8/9/2018 1:06pm Edited Date/Time 8/9/2018 1:07pm
The closest would be EX02, a lot of the fuel comes from the same place, just different additives.

Check the link below and cross reference specs to U4.4.

Sunoco Race Fuel Lines & Specs.
Bruce372
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8/9/2018 6:43pm
All sunoco oxygenated fuels use ethanol, and consequently they are shit
1
racerx317
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8/9/2018 8:11pm
Bruce372 wrote:
All sunoco oxygenated fuels use ethanol, and consequently they are shit
I was just going to say that... unless they came out with something I don’t know about. Be careful with Sunoco because they use ethanol in just about everything. It may produce some more power but it’ll tear up a motor and attracts water. I haven’t found a fuel of theirs that I’ll use except for diesel in my truck.
newmann
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8/9/2018 8:25pm
Bruce372 wrote:
All sunoco oxygenated fuels use ethanol, and consequently they are shit
racerx317 wrote:
I was just going to say that... unless they came out with something I don’t know about. Be careful with Sunoco because they use ethanol in...
I was just going to say that... unless they came out with something I don’t know about. Be careful with Sunoco because they use ethanol in just about everything. It may produce some more power but it’ll tear up a motor and attracts water. I haven’t found a fuel of theirs that I’ll use except for diesel in my truck.
So is that what is wrong with VP? Talk about soak up moisture out of the air and get all milky in short order. Will rust a cast iron bore up tight before you realize there was an issue.
racerx317
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8/9/2018 9:17pm Edited Date/Time 8/9/2018 9:27pm
newmann wrote:
So is that what is wrong with VP? Talk about soak up moisture out of the air and get all milky in short order. Will rust...
So is that what is wrong with VP? Talk about soak up moisture out of the air and get all milky in short order. Will rust a cast iron bore up tight before you realize there was an issue.
No, nothing wrong with VP at all. Oxy fuels (any brand) and Humidity in the air often condensate in the carb. Condensation and petroleum products don’t mix well together causing a light yogurt-like substance to get all over the slide of the carb and into the motor. if your bike starts running oddly rich... touch the bowl of the carb and it’ll feel ice cold. Many times, in high humidity situations, you can blend C12 in with your oxy fuel to create a more stable situation without a noticable power change in most situations. That takes a lot of trial and error though, so, if it’s a high humidity race... we normally just run non-oxy fuel and switch up our jetting to avoid that issue all together.

This is totally different than a fuel that contains ethanol and actually attracts moisture. Our bikes aren’t designed to run on corn fuel.
barnett468
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8/9/2018 9:24pm
Bruce372 wrote:
All sunoco oxygenated fuels use ethanol, and consequently they are shit
really, and exactly why is that?

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