I was told by one of the salesman while negotiating the price of the G35X that even though the manual says one can use regular that premium should be used. Anyone have expreience with this?
These engines are tuned for high-test fuels only to get the best performance and mpg. I hear they run better with jet fuel, but it is a little more expensive and harder to get, so try to say with 92+ octanes for now.
You "G" will perform better and have less maintenance problems.
100-octane gasoline is commonly called Aviation Gasoline or AvGas. When an aircraft engine uses a higher compression ratio, it requires a higher octane fuel. I.e., an aircraft engine with a 8.5:1 compression ratio is certified on 100 LL AvGas, while 7.0:1 is certified on 80/87 AvGas. Since the VQ35DE has a 10.3:1 compression ratio, it should handle 100 LL AvGas with no problem. On the other hand, commercial jet fuel (also known as Jet-A) is pure kerosene and would definitely NOT be healthy for your G.
2004 | 6MTs | Diamond Graphite/Graphite
Upstate NY
Wait, I'm confused. What compression ratio are you talking about? Jets don't have "compression" at all.
Or is AvGas for prop planes? I assume they use regular IC engines?
Yep - AvGas is used in gasoline fueled IC aircraft engines, i.e., your typical prop plane. Jet engines are a whole 'nother beast, although there is a type of compression measurement applicable. See Jet Engine 101
2004 | 6MTs | Diamond Graphite/Graphite
Upstate NY
lol - but the idea of using high-octane 100 LL AvGas as a performance edge at the strip has been around for years, just ask around in the old-timers camp. Some may think using an octane additive in AutoGas is the equivalent of AvGas, but the production controls in AvGas manufacture results in a much more consistent, higher quality of fuel - another racer's edge!
2004 | 6MTs | Diamond Graphite/Graphite
Upstate NY
I wonder if Cam2 103 Octane is still around on Long Island?
03.5 5AT Sedan | Emerald Green | Winter | Heated Seats/mirrors
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Related Threads
?
?
?
?
?
Infiniti G35 G37 Forum
941.6K posts
41.1K members
Since 2003
A forum community dedicated to Infiniti G35 and G37 owners and enthusiasts. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more for all Infiniti sports cars!