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Apr 2, 2014
2:59
:02
pm
Tokolosh
Right, but stick with the "names" regular, mid-grade, premium and you'll be good
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Tokolosh
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Tokolosh
Joined
Jun 9, 2004
Last login
Jan 7, 2025
Total posts
62,519 (5,954 FO)
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Messages
Author
Time
Car guys. How important or necessary is it to use high octane gas in a Lexus IS
Hank Rearden
4/2/14 2:47pm
Use the 85 and let us know how it goes
Tokolosh
4/2/14 2:52pm
Although at higher altitudes you can get away with lower
cracka
4/2/14 2:57pm
Right, but stick with the "names" regular, mid-grade, premium and you'll be good
Tokolosh
4/2/14 2:59pm
Correct. Regular at sea-level is like 87 and up here in the mountains its 85.
supertux
4/2/14 3:12pm
Shouldn't be a problem in a lower end performance vehicle like that.
BlueFrog
4/2/14 2:52pm
Surely wouldn't call it a performance car
Hank Rearden
4/2/14 3:09pm
It's important and necessary in my opinion if called for
Pasadena
4/2/14 2:53pm
Course doesn't it change with your elevation (as far as what octate in needed)?
viper
4/2/14 2:55pm
I think that's right, but I've heard the elevation where it
Pasadena
4/2/14 3:01pm
I have heard 5k ft. as well. I live at 6k so I get 85 when my car calls for 87
supertux
4/2/14 3:11pm
Some cars are also adjusted for high elevation.
El Fuego
4/2/14 3:36pm
This is a fail at a humblebrag if I've ever seen one.
Superkid
4/2/14 2:57pm
Really? I thought it was one of the more successful ones I've ever seen.
flavordave
4/2/14 2:58pm
He should be pimping the Mercedes ML. I love mine.
OpusX
4/2/14 3:24pm
My don't use premium in my Phantom and it still runs great.
dryflyelk
4/2/14 2:58pm
my put premium in my car
Superkid
4/2/14 3:00pm
I can't get away with that in my Silver Cloud.
Tokolosh
4/2/14 3:01pm
Yeah, Mine's Just A Fishing Car So I Don't Baby It
TarheeledCoug
4/2/14 3:27pm
Just don't floor it ever and you'll be fine
EvoIXCOUG
4/2/14 3:01pm
With modern engines, you shouldn't hear any pings or knocks if you don't
workindev
4/2/14 3:03pm
Like others have said, high performance engines
EvoIXCOUG
4/2/14 3:08pm
An old thread on octane
kccougar
4/2/14 3:27pm
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