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Rating: 12 votes, 5.00 average.

Real needs in an EV transmission

Posted 11-01-2012 at 02:31 AM by mizlplix

What do we really need out of our EV automatic? We want it to drive like a normal car while getting GREAT mileage.....LOL

There are many commonalities with an ICE transmission as it is doing the same job and it can not tell what is turning it. The huge benefit to electricity is that at stop lights, it can sit and not use any energy. It does not need to "idle".

We can use a torque converter or not, but the automatic transmission does have one problem....
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Motor in

Posted 10-22-2012 at 12:20 AM by sabahtom

Bought most of the bits for the conversion in December 2010. They shipped in and I took delivery in May 2011.

July 2012: Embarrassing mess. Wasted $$ in battery connectors made of tinned steel and copper mesh. Good lesson: make sure I post online any questions at least a week before I have to make a decision.

Eventually bought good ones and a vacuum pump for the brakes from

The good ones cost 25% of what I paid for the bad...
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Rating: 34 votes, 5.00 average.

The Plan for the Waiheke EV

Posted 10-11-2012 at 01:23 PM by WaihekeEV

I bought Gavin Shoebridge's EV Secret's book, Kia Ora mate! and am starting down the path.

The first thing the ebook I bought said to do was plan. I don't have a donor vehicle yet, I am going to trawl trade me to see what I can find, and what I like, after I work out what my modifications will weigh!

So the requirements for my Waiheke EV.


The highest speed limit on the island is 70km/h,...
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"To shift or not to shift, that is the question."

Posted 09-21-2012 at 07:17 AM by mizlplix

You are running a transmission because you have admitted that you need two forward gears or need a reverse gear. (DC-without a reversing contactor.)

EV conversions need to be catagorized.


My car is in the light end of the "Light" class". It is almost capable of direct drive, without a transmission.

Several "Rules-of-thumb",...
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Rebuilding the Powerglide for E.V. use.

Posted 07-29-2012 at 12:18 AM by mizlplix

The rebuild of a transmission actually starts when it is still in the vehicle.

It begins when you first get the idea that your trusty box is not well. Any drive-ability information adds to the rebuilding process by helping you decide what needs the most attention.

In this case we know that reverse works but it slips in both forward gears.

Since they use different pressure apply passages, it is safe to assume that it has damage in at least two separate...
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