Running 91/93 when unloaded won’t have any tangible benefits because Toyota uses torque request maps in their ECM control. 91/93 can allow a timing to advance vs 87 so more torque can be produced. Running 87 in this situation, the spark timing will be retarded due to the hotter air charge entering the engine in order to avoid knocking. When towing, the engine is running more boost and making higher torque due to the heavier weight being pulled. It can be useful to run higher 91 or 93 when towing especially in warm environments. Under heavy continuous loads, higher octane should help the truck pull consistently and more efficiently unless Toyota simply limited ignition timing. Less boost means lower exhaust backpressure and lower intake temps. With the very high compression ratio and high boost these engines run, you could probably run 100+ octane before the engine actually reached peak timing at wot.Īlso, one other consideration is that higher octane towing means you can make the required power/torque to pull the trailer with less boost. If you are deeper into the throttle a lot(like towing or at the drag strip) you will exceed that threshold and additional octane will allow for additional power. If you are mostly light on the throttle and not using a lot of boost you dont exceed the threshold and higher octane doesn’t do anything. There is a threshold where octane becomes a determining factor in ignition timing.
If you are towing a travel trailer through the rockies, there are seriously good reasons to run 91 or 93. If you are just casually driving to work, run 87. Not cheap, but far more affordable than the Bocci outlets.Ultimately it comes down to what you are doing. I'm currently redoing a bathroom with Legrand Adorne switchgear and outlets I bought at Lowe's - you should have seen the look on the cashier's face when as I bought a $90 light switch (hey Lowes dude, it's a dimmer!), but it looks and feels like a $90 light switch and is one of those details that just makes the room, and it's the first and last thing you see and touch whenever you enter or leave the room. (the Trufig products do show a frame but are still way cool). But now that I know I can get just the Bocci 22.3.2 button, I may have to rethink my sense of light-switch chic.
Here I was thinking I was being stylish with my Honeywell Tap-Lite switches, which put a single pushbutton in a clear plexiglass frame held in place without screws so the surrounding paint or wallpaper shows through (shown below). Ooo I like those Bocci outlets, but it's their built-in light switch that really floats my boat. One other reason I would use these in a bathroom is that the trim is one of the things that degrades and discolors in a humid environment like a bathroom, and there *is no trim.īut the problem I see with using these selectively is potentially that they make the ordinary recessed trim, which is perfectly fine otherwise, if you buy a decent one, look "inferior" by comparison. But one of the recessed fixtures would be in the shower, and I am not sure the one I would use comes in wet-rated. I thought about using these in my bathrooms, which are very small, have a ceiling slightly under 8 feet, and everything is very noticeable. The funnel shaped ones almost disappear when they are off because there is no edge anywhere. I am not a fan of the overuse of recessed cans but if I had the money, this is the sort I would use because they are very discreet. I think this is one of those products that just highlights the growing discrepancy of discretionary income: when you could spend $60K on recessed light fixtures.
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