Guys, Im a mechanic. I've learned almost everything about a piston engine. Knock sensors do not die from lower rating gas. Knock sensors are always monitoring your engine. All they do is for example:
Engine: How am I doing down there?
Knock: Theres octane 92 in here, looks like you can go full potential on this one.
Engine" Great, but im only doing 30mph in a 45 zone?
Knock : Tell the jackass behind the steering wheel he's wasting his money on this higher grade octane then. Punch him out with an airbag or something.
Knocking or pinging only comes from watered down gas. If the 1GR-FE engine had a distributor to control the sparks, then i'd believe it pings. But no, the 1GR has coils. Each coil adjusts spark according from the data input from the knock sensors.
On my Cressida, when I go get a smog, I adjust the distributor to 10degrees and throw in 87 octane. Owners manual says that the 7M-GE in the Cressida requires 96 octane for maximum performance. It drives just nice with the 87 octane. After it passes smog, I then finish the full tank of gas, adjust the timing back to 18degrees and use 91 octane because I like to do alot of these.
Now you jack asses that love to shuffle out an extra 20 cents a gallon for premium gas and you never rev your engine past 2000 rpm, thats your loss. As for me, as long as im not using the FJ for maximum performance, its using 87 octane.
PS, Why the FCK the knock sensors on my 2002 4Runner with 204,000 miles hasn't blew out of the engine block, or the engine pop because I used 87 octane when theres big bold print in the owners manual that says use premium?
Guys get real. Don't be so gullible. You can put sunroofs in rag top Jeeps if you wanted to. Anything is possible. You just have to pull your heads out of your asses and stop listening to people that scare you. I'd take you to politics for examples but then i'd be hijacking the thread.
87 FCKIN OCTANE IS SAFE!!!!!!!