Engine warm up
Thread Starter
Lexus Test Driver
Joined: Aug 2003
Posts: 7,661
Likes: 1,418
From: Florida
Engine warm up
My recent...umm, experiment... with mpg to see how low I can go got me thinking - for those of you who drive spirited the majority of the time, how much are you letting the engine warm before going about your business? It takes 6-7 minutes for the engine to unlock 7200rpm and I always baby it until at least this point, but is this a good enough point to start opening it up to avoid undue wear beyond the hard driving? For all the temp gauge to reach their normal operating level takes more like 10-12 minutes.
Curious as I have several strerches in my area where opening it up is tons of fun but they fall within that 6-10 minute window with typical traffic.
Curious as I have several strerches in my area where opening it up is tons of fun but they fall within that 6-10 minute window with typical traffic.
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Joined: Nov 2017
Posts: 608
Likes: 261
From: Michigan
Maybe foolish of me, but with any of my Lexus I assumed they "dummy proofed" the vehicle for damage (unless hitting poles). From my LC manual which leads me to believe it's protected;
■Variable red zone
To help protect the engine, the engine
speed is controlled by starting the red zone
of the tachometer at different engine
speeds ranging from 3700 rpm to 7300
rpm depending on the engine coolant temperature.
■Variable red zone
To help protect the engine, the engine
speed is controlled by starting the red zone
of the tachometer at different engine
speeds ranging from 3700 rpm to 7300
rpm depending on the engine coolant temperature.
Thread Starter
Lexus Test Driver
Joined: Aug 2003
Posts: 7,661
Likes: 1,418
From: Florida
Maybe foolish of me, but with any of my Lexus I assumed they "dummy proofed" the vehicle for damage (unless hitting poles). From my LC manual which leads me to believe it's protected;
■Variable red zone
To help protect the engine, the engine
speed is controlled by starting the red zone
of the tachometer at different engine
speeds ranging from 3700 rpm to 7300
rpm depending on the engine coolant temperature.
■Variable red zone
To help protect the engine, the engine
speed is controlled by starting the red zone
of the tachometer at different engine
speeds ranging from 3700 rpm to 7300
rpm depending on the engine coolant temperature.
Advanced
Joined: Nov 2017
Posts: 608
Likes: 261
From: Michigan
Agree, but I would think Engineering included wide enough tolerance's to prevent damage whether fully warmed or not. I tell myself that since I have made the mistake of hitting the red line when using the paddle shifters, once. 
Thread Starter
Lexus Test Driver
Joined: Aug 2003
Posts: 7,661
Likes: 1,418
From: Florida
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