Cam 2 racing fuel?
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Cam 2 racing fuel?
I recently heard that Cam 2 fuel (also known as Sunoco Racing fuel, in the brand name) has unleaded, 100 and 104 octane fuels. These do not contain any lead. Are we able to use this fuel in our 350Zs? I have the 2008, 350Z, with the dual air intake that came from the factory? Will using this fuel damage, or destroy anything in the engine?
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No power gain unless your car is tuned for it, even with a tune you will not gain much without the compression being bumped up.
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No, I don't think that our cars run on leaded fuel. I know that most CAM 2 fuels are leaded fuels and that this fuel is mostly used by those that have the 60's muscle cars that have been restored. Most of the time these engines are high horsepower engines, and they use the leaded fuel because of the lubricating qualities of the lead.
However, most modern cars today can only use unleaded fuel. Therefore, when CAM 2 came out with unleaded fuels that are 100 and 104 octane, I wondered if I could use it, if it would damage my engine, and would it provide better performance. I've heard that the fuel will make the car run hotter than it's supposed to.
However, most modern cars today can only use unleaded fuel. Therefore, when CAM 2 came out with unleaded fuels that are 100 and 104 octane, I wondered if I could use it, if it would damage my engine, and would it provide better performance. I've heard that the fuel will make the car run hotter than it's supposed to.
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Having used Sunoco GTX race fuel in my T2 350Z for several years, you can definitely use unleaded race fuel in VQ engines, but the gains are limited. Tuning by UpRev really maximized the torque curve for road racing, but I wouldn't spend the extra money otherwise. Also, there's plenty of leaded race fuels available for sale, but you definitely don't want to use them in a car equipped with a cat.
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lubrication has nothing to do with it, lead mixed in the fuel makes it harder to burn/ignite, also known as a higher octane rating then the same fuel without the lead. Modern fuels use mostly xylene/toulene to increase octane rating at the factory pretty much pure paint thinner with no addatives kinda like what you would use when mixing paints. Thinking back it might have been pure xylene we used but its been awhile havnt done that since 05.
Your car will run slightly hotter but it wont even be noticeable mayby 2 or 3 degrees, the reason for this is again higher octane means harder to ignite/burn so the combustion event acts like if you retarded the timing slightly on a 93 octane tune, retune for that fuel and you will get a few extra hp and the temp will be normal again. but like i said its not even noticeable.
All octane rating is, is the resistance to detonation and preignition, its harder to burn it. lead was a cheap solution to increase octane but better things are available for now. supra guys have been mixing 30% xylene in with 93 for years with no issues so they can get cheap 100 octane fuel, buy a 55 gallon drum and you have 100 octane for about 5 bucks a gallon at what gas prices where when i left. mix 25% and its like 4.90 a gallon for 99 octane
Your car will run slightly hotter but it wont even be noticeable mayby 2 or 3 degrees, the reason for this is again higher octane means harder to ignite/burn so the combustion event acts like if you retarded the timing slightly on a 93 octane tune, retune for that fuel and you will get a few extra hp and the temp will be normal again. but like i said its not even noticeable.
All octane rating is, is the resistance to detonation and preignition, its harder to burn it. lead was a cheap solution to increase octane but better things are available for now. supra guys have been mixing 30% xylene in with 93 for years with no issues so they can get cheap 100 octane fuel, buy a 55 gallon drum and you have 100 octane for about 5 bucks a gallon at what gas prices where when i left. mix 25% and its like 4.90 a gallon for 99 octane
No, I don't think that our cars run on leaded fuel. I know that most CAM 2 fuels are leaded fuels and that this fuel is mostly used by those that have the 60's muscle cars that have been restored. Most of the time these engines are high horsepower engines, and they use the leaded fuel because of the lubricating qualities of the lead.
However, most modern cars today can only use unleaded fuel. Therefore, when CAM 2 came out with unleaded fuels that are 100 and 104 octane, I wondered if I could use it, if it would damage my engine, and would it provide better performance. I've heard that the fuel will make the car run hotter than it's supposed to.
However, most modern cars today can only use unleaded fuel. Therefore, when CAM 2 came out with unleaded fuels that are 100 and 104 octane, I wondered if I could use it, if it would damage my engine, and would it provide better performance. I've heard that the fuel will make the car run hotter than it's supposed to.
Last edited by jerryd87; 11-01-2011 at 12:50 PM.
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