Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum - View Single Post - playing around with Octane levels on a stock KA

pr240sx · 11-29-2005, 02:37 PM

I was using 87 before going KAT.
At that time, I got better MPG with 87 than 89 or 91.
Now I am experimenting (and probably blowup my engine) going back to at least 89. Adding more fuel and retarding more timing.
My goal, run my KAT on 87 (and again, probably blew my engine) doing 8 psi of boost.
As of now, I am running 89 at 8 psi with the BTM with no problems thougt.

11-29-2005, 02:37 PM	#10
pr240sx Zilvia Addict Join Date: Jan 2002 Posts: 627 Trader Rating: (0)	I was using 87 before going KAT. At that time, I got better MPG with 87 than 89 or 91. Now I am experimenting (and probably blowup my engine) going back to at least 89. Adding more fuel and retarding more timing. My goal, run my KAT on 87 (and again, probably blew my engine) doing 8 psi of boost. As of now, I am running 89 at 8 psi with the BTM with no problems thougt.