Search found 2 matches

by chriswfoster
Wed Oct 09, 2024 7:54 pm
Forum: Toyota/Lexus
Topic: How efficient is GS450h at higher voltages?
Replies: 2
Views: 1718

How efficient is GS450h at higher voltages?

Hi everyone, I'm assembling my gs450h build now.

I'm starting with 2 30kwh (174ah) CATL packs, in series. But then I started wondering if I can simply add in a 3rd later (obviously in series).

Is it more efficient to run higher voltage builds? Or will I lose a lot to heat?
I've read that it can ...
by chriswfoster
Mon Aug 12, 2024 3:20 am
Forum: Toyota/Lexus
Topic: GS450h Question: In "EV" mode, do the electric motors spin the engine? [SOLVED]
Replies: 2
Views: 3534

GS450h Question: In "EV" mode, do the electric motors spin the engine? [SOLVED]

I have 2 questions:

1st: I've viewed a few different diagrams of this transmission. I don't understand how the car can be in "EV mode" with the IC-Engine OFF. What keeps the ICE from spinning backwards when its off? Or what keeps it from stalling if the MG motors apply a lot of torque?

Wouldn't ...