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Bigbadal's Avatar
 
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Great project I like the idea of front and rear batteries not meeting original weight distribution since these cars were a bit rear heavy on corners. Just have to maintain or lower center of gravity, may have to go wider rear wheels or turbo wells.

What's your initial major materials cost not including welding and labor. I'm about to do a Chevy SBC 383 in a 1981 SC Targa with RH kit.
Old 04-15-2013, 03:53 AM
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Quote:
Originally Posted by Bigbadal View Post
Great project I like the idea of front and rear batteries not meeting original weight distribution since these cars were a bit rear heavy on corners. Just have to maintain or lower center of gravity, may have to go wider rear wheels or turbo wells.

What's your initial major materials cost not including welding and labor. I'm about to do a Chevy SBC 383 in a 1981 SC Targa with RH kit.
The quick answer is too much!!

I have $16k in batteries, $2k in motor and $3k in the controller. The charger, adaptor plate, and wiring and fuses are another couple of grand. It can be done cheaper, but until the batteries come down in price, electric will not be cost effective. But for me, price is not the primary goal.
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Old 04-16-2013, 01:46 PM
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I mounted the controller on rubber feet. The plywood not permanent and is just to protect the lower layer of batteries.



I'm neck deep in 12 volt wiring. I will clean it up with split loom tubing. The controller needs brakes, reverse, tach, throttle position sensor and switched 12 volt inputs.

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Old 04-16-2013, 01:55 PM
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Hey nice project.
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Old 04-30-2013, 07:54 PM
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Congrats with the first Test Drive !!!
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Old 06-03-2013, 07:23 AM
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Here is a link to a youtube video of my first drive under electric power. Power is limited to 25% at the controller to allow the motor brushes to seat.

Electric Porsche 911 - First Test Drive - YouTube

Looks like I can't embed video in this forum section. It works in the off topic section. I tried embedding with this code:
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Old 06-06-2013, 06:40 PM
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Congrats with the first Test Drive !!!
Thanks. I'm really happy with the result.
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Old 06-06-2013, 06:41 PM
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Just read through this and most of your blog as well. Nice project! I had considered doing a conversion very similar to this when I first got my Targa but went the motor rebuild route instead. I'd like to see this in person some day.
Old 09-14-2013, 08:02 PM
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Hey, nice progress!!!

How you deal with rain water in engine comp?

I was having issue with rain coming into the engine comp around the lid, so I have created custom gasket, as no Porsche PN for this.

Gas Engine very happy with some rain water, so it becoming "somewhat water cooled"...

-Y
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Old 09-14-2013, 08:55 PM
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Any updates?
Old 10-27-2013, 10:46 AM
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Any updates?
I have logged nearly 3,000 miles without any real issues. I post a test drive on youtube: Country Drive in My Electric Car - YouTube

The 0 to 60 time is 6 seconds, done all in 2nd gear. The acceleration was a constant 10 mph/sec for the whole run. With a flat torque curve from 0 to 4500 rpm, I can stomp on the accelerator at will and get a nice push back into the seat.

I was a bit heavy with my 100 mile range pack of batteries. 400 lbs over stock. So i went with stiffer torsion bars. Stock was 19 mm front and 24 mm rear, and now I'm running 22 mm in front and 29 mm in rear. Much better. I had the alignment done at Rothsport Racing. I couldn't be more pleased with the result. Someday, batteries will be lighter and cheaper, and then there will be some real magic possible.
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Old 12-03-2013, 09:49 PM
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Originally Posted by 1-ev.com View Post
Hey, nice progress!!!

How you deal with rain water in engine comp?

I was having issue with rain coming into the engine comp around the lid, so I have created custom gasket, as no Porsche PN for this.

Gas Engine very happy with some rain water, so it becoming "somewhat water cooled"...

-Y
I haven't been driving very much in rainy weather. I'm going to make a fiberglass panel, to mount behind the drill, that will divert the water away from the electronics. A little moisture is not a problem, but no sense in allowing water to directly accumulate.
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Old 12-03-2013, 09:57 PM
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Are you documenting this more thoroughly elsewhere (such as an EV forum)?
Old 12-04-2013, 08:39 AM
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Just came across your thread. Great project and thank you for sharing it with us. Don't know much about the technology but I want to embark in a similar conversion of a 911 once I finish my RST project (911 tech forum) which is at the other end of the other end of the pendulum in so far as fuel efficiency is concerned. So, I'm subscribed, please keep your updates coming.
Johan
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Old 12-12-2013, 09:04 AM
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Originally Posted by Tremelune View Post
Are you documenting this more thoroughly elsewhere (such as an EV forum)?
In my signature line is a link to my blog, where I have more detail on the conversion.

There is even more detail on an electric car forum here:

Electric Porsche - DIY Electric Car Forums
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Old 01-13-2014, 05:13 PM
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Any update on this project? OP last posted in 2014....
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Old 05-26-2017, 08:37 AM
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