Pro's & Con's of Converting My EFi 2000 Toyota Hilux 4x4 into an EV 4x4

Technical discussion on converting internal combustion to electric
D-Collins
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Re: Pro's & Con's of Converting My EFi 2000 Toyota Hilux 4x4 into an EV 4x4

Post by D-Collins »

Yet another after thought,
Maybe a 3 speed Borg Warner or Holden Trimatic auto trans from a V8?
that way with my current Diff ratio's, i would have 1st gear for crawling off road and hill climbs,
2nd gear for running around town and 3rd for the Freeway.

no matter which Auto trans i go with it will have to have a removable bell housing,
so i don't have to cut the bell housing away from the main trans casing.
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Re: Pro's & Con's of Converting My EFi 2000 Toyota Hilux 4x4 into an EV 4x4

Post by francisco.shi »

I think you are too worried about the transmission. The original transmission will be fine. I am assuming you will be using a brushless motor like a hyper9. They put out 250Nm. The original motor would have been able to do similar torque.
The rest of the drive train has been built to take that load in low range. The electric motor has very smooth torque delivery compared to a petrol engine. And lastly your tyres will probably spin before you break the transmission.
About shifting without clutch. Depending on what controller you use. You can use the motor to sync the gear changes. In most cases just turning the torque to zero while you change gears will be enough. The synchros on the gearbox will speed up or slow down the motor to match the speed as long as the motor is not producing torque.

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Re: Pro's & Con's of Converting My EFi 2000 Toyota Hilux 4x4 into an EV 4x4

Post by D-Collins »

francisco.shi wrote:
Sun, 21 Jun 2020, 13:29
I am assuming you will be using a brushless motor like a hyper9. They put out 250Nm. The original motor would have been able to do similar torque.
I am Currently looking at the Parker GVM210 Range at the moment from https://www.elmofo.com.au/
https://www.elmofo.com.au/ac-motors.html.

Being a 4x4 it needs to be liquid cooled for heavy off road work, so i don't cook it,
also the liquid cooled AC motors are much more water resistant for river crossings.

Considering the GVM210-200K as it closely matches my current ICE in RPM's with an improvement of Peak Nm's & KW's.
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Re: Pro's & Con's of Converting My EFi 2000 Toyota Hilux 4x4 into an EV 4x4

Post by francisco.shi »

I think putting 300Nm to a gearbox that had a 240Nm engine from the factory will be just fine. Just keep the old gearbox.

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Re: Pro's & Con's of Converting My EFi 2000 Toyota Hilux 4x4 into an EV 4x4

Post by D-Collins »

That's the plan Stan :D , and the clutch system for smoother gear changes.

The Parker GVM210-200K 650 VDC should give me all the grunt i need,
with no ratio mods to gearbox or diffs 8-).
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Re: Pro's & Con's of Converting My EFi 2000 Toyota Hilux 4x4 into an EV 4x4

Post by T1 Terry »

If you Google 2 speed EV transmission, there is a heap of sites to look through there and https://www.diyelectriccar.com/ have quite a few threads on EV transmissions

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Re: Pro's & Con's of Converting My EFi 2000 Toyota Hilux 4x4 into an EV 4x4

Post by T1 Terry »

D-Collins wrote:
Sat, 20 Jun 2020, 10:31
Yet another after thought,
Maybe a 3 speed Borg Warner or Holden Trimatic auto trans from a V8?
that way with my current Diff ratio's, i would have 1st gear for crawling off road and hill climbs,
2nd gear for running around town and 3rd for the Freeway.

no matter which Auto trans i go with it will have to have a removable bell housing,
so i don't have to cut the bell housing away from the main trans casing.
Forget about a Trimatic, the top gear clutch pack would go up in smoke, the BW35 has a similar small clutch pack problem. We even tried the C4 with beefed up friction plates and drive plates, the clutches didn't slip but the aluminium case twisted and jammed the valve body. The C6 might be ok, the BW51 and the turbo hydro as well, but these are bigger heavier boxes than the Powerglide and you really only need a 2 speed behind an electric motor.

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Re: Pro's & Con's of Converting My EFi 2000 Toyota Hilux 4x4 into an EV 4x4

Post by D-Collins »

T1 Terry wrote:
Tue, 23 Jun 2020, 14:38
Forget about a Trimatic, the top gear clutch pack would go up in smoke, the BW35 has a similar small clutch pack problem. We even tried the C4 with beefed up friction plates and drive plates, the clutches didn't slip but the aluminium case twisted and jammed the valve body. The C6 might be ok, the BW51 and the turbo hydro as well, but these are bigger heavier boxes than the Powerglide and you really only need a 2 speed behind an electric motor.
T1 Terry
Now that i have found the Parker GVM210-200K traction motor that almost matches my Factory ICE's RPM's (see charts above),
With better Max Nm & kW output than the ICE, I will be keeping the factory 5 speed manual Trans and clutch system,
Since the RPM's are so close to a match i wont have to mess with the diff ratio's either.
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Re: Pro's & Con's of Converting My EFi 2000 Toyota Hilux 4x4 into an EV 4x4

Post by jonescg »

And you'll find you drive in 4th most of the time anyway...
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Re: Pro's & Con's of Converting My EFi 2000 Toyota Hilux 4x4 into an EV 4x4

Post by D-Collins »

Just to keep the RPM's up.

Although if i do decide to raise the factory Diff ratio's to say 4.11,
That will allow me to use 5th on the Freeway, And give me great off road crawl and hill climb ability.
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Re: Pro's & Con's of Converting My EFi 2000 Toyota Hilux 4x4 into an EV 4x4

Post by D-Collins »

OK,
I have just been RE-Reading Trev's Hilux build http://www.thebackshed.com/forum/ViewTopic.php?TID=384,
Seems he had to pull his dash apart to RE-wire his heater as it was wired into the factory ECU.

To avoid my having to do this,
I am now considering buying a cheap, rust free, PRE-EFI, PRE-CDI, Hilux 4x4, Or LandCruiser,
That has not had any mods done to it, Diesel or petrol it makes no difference.
Say maybe a 1997-98 model or earlier so i don't have to faf around with the factory ECU wiring.
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Re: Pro's & Con's of Converting My EFi 2000 Toyota Hilux 4x4 into an EV 4x4

Post by jonescg »

Nothing wrong with using a kettle heater for the blower. Just use the heater core inlet and outlet to supply hot water from an in-line heater and pump.
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Re: Pro's & Con's of Converting My EFi 2000 Toyota Hilux 4x4 into an EV 4x4

Post by D-Collins »

I think it would be much easier to just use a PRE-EFI, PRE-CDI model Vehicle,
that way all i have to do is terminate the factory wiring to the starter motor and ignition coil,
then attach the factory positive & negative wiring from the factory Acid battery system to the EV battery pack
to run the factory electrics.
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Re: Pro's & Con's of Converting My EFi 2000 Toyota Hilux 4x4 into an EV 4x4

Post by brendon_m »

Older hiluxs still have an ecu for the a/c which would need to be modded/bypassed/spoofed. Either way you would be having to do the same work (which is relatively easy anyway).

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Re: Pro's & Con's of Converting My EFi 2000 Toyota Hilux 4x4 into an EV 4x4

Post by D-Collins »

I have been looking at 12V electric A/C pumps, such as they use on the Nissan leaf to get around that issue,
same deal for the cabin heater, Brake vacuum and power steering systems.

Go 12v electric for all of it, and i wont have to mess about with finding a way to drive the factory belt drive ICE systems.

just make some mounts for the 12V systems and wire them up.
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Re: Pro's & Con's of Converting My EFi 2000 Toyota Hilux 4x4 into an EV 4x4

Post by francisco.shi »

How much current will a 12v A/C draw?
I though they needed about 1kw. That would be close to 100A.

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Re: Pro's & Con's of Converting My EFi 2000 Toyota Hilux 4x4 into an EV 4x4

Post by D-Collins »

https://www.electricaircon.com/products ... compressor

There are others this is just an example.
They all have three speeds.
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