THIS MAY HAVE BEEN ALREADY COVERED SOMEWHERE, BUT.....

[bluecollar]

I never buy CITGO 'cause I ain't supporting Chavez.

There's a convenience store that sells petrol named "VALERO" in my neighborhood. Does anyone know if this is Venezualan as well as Citgo? The name sounds like it could be of South American origin.

 

[biker1059]

Valero is Diamond Shamrock,Beacon and Shamrock companies. Use them all the time.

 

[NativeOne]

I never buy CITGO 'cause I ain't supporting Chavez.

There's a convenience store that sells petrol named "VALERO" in my neighborhood. Does anyone know if this is Venezualan as well as Citgo? The name sounds like it could be of South American origin.

Yea, what biker said. Valero started out as Diamond Shamrock and is one of the largest companies in Texas. It's a relatively good company and does use a lot of it's profit for charitable work in and around South Texas where it's primary headquarters are located. Lots of stores in San Antonio, Dallas area and constantly expanding.

Native One

 

[Fishbein]

Valero is Diamond Shamrock,Beacon and Shamrock companies. Use them all the time.

49 degrees, you should be riding!

 

[Fishbein]

I sold my R3 last summer, but performed a good bit of fuel testing on it and on many bikes - 87 octane works fine. In the heat of Summer, Premium 91-93 octane pump gas can make a very slight improvement in peak power numbers, but can slightly reduce throttle response at lower engine speeds. Engine temps have a larger effect on output.

There are a couple of oxygenated unleaded race fuels that can add 2-4% power comparing peak power numbers, but a bit more above and below this rpm. The better oxygenated fuels like R-Tech Outlaw or VP MR9 need to be tuned to run in the R3. I have not tested the new XXX Racing unleaded fuels, but they look promising, and a good bit less expensive. Some oxygenated race fuels do nothing but cost a lot.

E85 pump blends and custom E85 and E90 blends can easily make 4.5% and larger gains throughout the power band, but custom tuning is required, and for some, larger injectors. The correct E90 blend can make more than 6% gains, will run cool, and can be very cheap. IMHO, ethanol is the cheapest bang for the buck when it comes to fuels.

I hope this helps,

-Wayne
POWER-TRIPP Performance
http://www.power-tripp.com

Thanks, Wayne , you devious rascal...that was pretty detailed...maybe I'll try premium when it's really hot this summer and see if I notice any marked difference. Otherwise, I'll stick with simple 87. Fish

 

[Triple Trouble]

The only thing higher octane fuel does is slow the burn rate of the fuel. This is helpful if you have higher compression and are experiencing detonation/pinging. If you don't have detonation or pinging, you are wasting your money. I build offroad race bike motors and can't believe the number of people who spend $18 a gallon for special race fuel. No reason for it at all.

Of course you mean "pre-detonation" since without detonation an internal combustion engine wouldn't be of much use. :twisted: :twisted: :twisted:

CrazyTed is spot on. You are waisting $$$ on premium fuel especially since most newer engines monitor for pre-detonation and adjust for it via the ECU.

Actually he does mean detonation. I've never heard of pre-detonation before. What happens when the plugs fire is a controlled burn not an explosion unless of course you have detonation.

 

[cjacob]

The only thing higher octane fuel does is slow the burn rate of the fuel. This is helpful if you have higher compression and are experiencing detonation/pinging. If you don't have detonation or pinging, you are wasting your money. I build offroad race bike motors and can't believe the number of people who spend $18 a gallon for special race fuel. No reason for it at all.

Of course you mean "pre-detonation" since without detonation an internal combustion engine wouldn't be of much use. :twisted: :twisted: :twisted:

CrazyTed is spot on. You are waisting $$$ on premium fuel especially since most newer engines monitor for pre-detonation and adjust for it via the ECU.

Actually he does mean detonation. I've never heard of pre-detonation before. What happens when the plugs fire is a controlled burn not an explosion unless of course you have detonation.

I humbly apologize. Here is an article that does a pretty good job explaining.

http://www.streetrodstuff.com/Articles/ ... /index.php

Thanks for correction.

~chris