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May 13, 2006 | 03:55 PM

m0nkeh

Thread Starter

Stang Love

Joined: Jan 2005

Posts: 1,165

From: Deltona FL

Q...

What octane should my car be using stock with no tune?

just 87 or use higher or no point since im stock?

((2000 gt auto...))

May 13, 2006 | 04:01 PM

MattJ

Senior Member

Joined: Dec 2004

Posts: 10,237

There is ZERO reason for you to switch octanes unless you are pinging or you are tuned for the change.

May 13, 2006 | 04:03 PM

m0nkeh

Thread Starter

Stang Love

Joined: Jan 2005

Posts: 1,165

From: Deltona FL

ok, just thought id ask...cause i was with some friends last night and there like "feed the beast some 93 or atleast 89" im like, wuts the point? and i forgot wut they said after that. but i put in 87.

May 13, 2006 | 04:07 PM

Saleen S330

Banned

Joined: Jan 2006

Posts: 900

From: Sumter, SC

Yeah, you could actually run crappier with 93 octane if you don't have the tuner or advanced your timing or chip. The higher the octane the harder to combust. which = waste of money.