Now the V8 is gone, what's it weigh? / Electric Porsche 928 project (Ep.11)
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- เผยแพร่เมื่อ 15 ม.ค. 2024
- Electric Porsche 928 project. Stu removes the dashboard. The V8 is gone. The gearbox is gone. Exhaust, torque tube, fuel tank, everything to do with the petrol motor - all removed now.
So before we start adding the EV motor and battery, how much weight have we lost? The answer might surprise you.
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#porsche928 #electricporsche #electricsupercar - ยานยนต์และพาหนะ
Love this channel! Wow was not expecting that weight shaving. Looking forwards to the next update, this is better than Netflix :)
Thank you!
I’m finding this series interesting and enjoyable despite my sadness at the loss of V8 sound & feel in a manual 928. Considering the cost and complexity of keeping an original 928 on the road, I think you’re doing a good thing Stu. Once properly sorted you should get much more use out of this than any other 928 you own.
Yes I agree. I hope it will be my daily driver Gary. And that's one of the motivating factors for me. So many people these days do comment on how timeless and beautiful the 928 shape is, I'd like that to be a daily occurrence. And I do hope to retain the V8 sound outside the car with the help of a Milltek Active Exhaust. That video is a long way off, but I'm already looking forward to it. Should be relatively easy to integrate, using data from the CAN bus. (Throttle position, power, etc). Thanks for watching.
@@inCARnationAustralia I was SO happy to see those headlights pop up... are there LEDs that put out a yellow beam?
Well done Stu! I bet you are feeling good about the progress. I had flashbacks to my 928 dash removal, great work and the systematic labeling is a must. Thanks for sharing your progress, i know all the video action is timeconsuming. Best wishes for your continued success and looking forward to seeing more. Cheers from the endless mountains of Pennsylvania.
Thanks 👍
Very exciting well done👏👏👏👏
The blower units on most cars is one of the most time consuming repairs, the instructions begin with"dissasemble car, place on work bench".
I can believe it! Although the HVAC is out I still haven't removed the big blower fan. Today's job. More weight saving!
Such a complex swap, certainly giving your brain a good workout. More complexity in that 40 year old car than most people would imagine. 2024 is going to be a challenging year for you. 🤯?
On '90 model 928's onwards speedo gets signal via the ABS (wheel speed)
Hey, my tyres are also 24yo this year, did our previouse owners shop at the same place/time ?
Thats a lot of weight loss, more that I thought too
Will be a good starting point to keep a similar ratio as you start to put things back in
Another great video in the series, and keeps me motivated to keep my gas guzzler goiing, keep 'em coming
Glad you enjoyed the vid. I might suggest Pieter it's time for new tyres. Most tyres degrade after about 7 years. I would hope you'll find you have much better grip with some new rubber.
Great video. My '80 928 (manual) is the same colour as your light blue car. Do you know what that colour is called? Thanks
Yes, it's Hellblaumetallic. Light blue in German
I'm loving your 928ZSEV monstrosity Stewart! It's also nice to see that the much vaunted german engineering took as many shortcuts as the much currently maligned Chinese! hah! I was a bit skeptical about pulling apart such an classic car but i can see that times have moved on and this will be a good thing for both.
I was a bit worried about a 30 minute video but it was super interesting and i learned a lot in the process. You're a man of many talents
Thanks. Yes it was a long video. Too long I suspect. True that in its day the engineering was ground-breaking and a bit OTT, but by today's standards it is pretty ancient. I'll be talking about that in future episodes. Now I'm pulling apart the MG, I can see how clever and efficient the engineering is. Particularly things like sunroof operation, traffic sign detection, rear cross traffic alert, autonomous emergency braking. By 1980s standards, it would all be astonishing.
@@inCARnationAustralia it would be great if you could elaborate on that as you go along. There's way too much commentary about 'Chinese shit' when people are not understanding that this is a process of improvement..
A few years from now, those cars will be at least up to the standard of the cars of the 90s and 2000s.. and we all know that was the best time! hah!
A bit scary to find asbestos! One of the hazards with old cars (& houses).
Something really worthwhile is going through and getting rid of the previous owner’s shortcuts and “fixes” in the loom. As you said, that’s why so many old cars catch fire. In my 928 a stereo installer put a self tapping screw through a ribbon cable part of the loom which screwed up the tail light bulb monitoring and the factory alarm. Took ages to find and was lucky not to have started a fire.
918kg is pretty good as a base weight, giving you some prospects of a good final weight with the new drivetrain.
I agree that mapping the engine rpm to speed would be your best bet. How many I/O channels does your arduiono board support? Ie how many of the instruments can you run from the same board?
This little board only supports six outputs - enough for the dials - but I only need one input, as the messages are on the same CAN BUS network. Just different packet IDs being intercepted. If I did need to access another network because the processor couldn't cope for whatever reason I'd add more boards. They're small and cheap. Or use an Arduino Mega, which has 16 channels. Also cheap. Remember the warning lights (of which there are 19, and I plan to re-use 16 of them) will still be original from the 928's original loom.
I may stand corrected on all of this, as I haven't tested any of it yet.
Original 928 loom for * tail lamp out * stop lamp out * washer fluid * park lights * high beam * indicators * general alarm * brake fluid * brake pads * park brake * etc..
I'm guessing that material on the heat shield is just fiberglas, not asbestos as you sorta alluded to.
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You may be right Randy. It's been hard to get a definitive answer. Rennlist is divided. I believe Porsche discontinued using Asbestos in any form in 1989, but those header shields may well have been primarily glass wool. You can't see it on the video but they crumbled to a fine white dust when touched, so fine it was like smoke. So I soaked them for removal.
Its only 4 bolts that hold the dash in . Just disassemble the whole interior first 😁
I know you've done 50 of them Nick, but when it's your first time you hit a few hurdles. The 10mm ones on the side were well hidden but we got there. The issue is more that it's over 50 years since I first crawled upside down underneath a dashboard and I'm not quite as flexible any more.
That isn’t two fog light switches. The bottom one is the trip odometer reset and the next one up is the fog lights. At least that’s what they are in my 928.
Great video
Looking forward to seeing the finished product 👍👍
Yes on all my other cars, bottom left was the odometer reset. But oddly, not this one. 2 lights buttons, and a lot of hanging unconnected leads at the front, where driving lights might once have been connected, presumably before someone put the fibreglass front and rear S4-style guards on. It's a "bitza"!
@@inCARnationAustraliaokay thanks for your reply 👍
If the car has rear fog lights as standard, then you have two fog light switches and a small hidden button next to the dash light dimmer to reset the trip meter. If you only have front for lights, then the bottom "big" switch is the trip reset. The wires and plugs for both options is present, but not used.
So the donor car had rear fog lights as standard.
@@dawidvdwaltrear fog lights are only on the Euro model right?
It's gonna have way more power and torque than the old 16 valver, yeah? YEAH?
You're teasing me now Chris. If the performance doesn't at least match an old 16 valver 0-100, then we'll have to do something better
Going downhill with regen or low kers then might the electric engine spin at different speed and so the kms measured be wrong?
No it should still be the same. Gearing between motor and axle is a fixed ratio with no clutch or torque converter. All that changes at the different KERS levels is done with the electrical system and how it manages the load / power generated by the motor. I could be wrong but that's my understanding.
@@inCARnationAustralia thx.
Need rear bias, a couple of bags of cement in the boot.
Yes agree, but I'll try to do it without the cement. Just place as many components as I can rearwards.
Even better is you remove the seat and then you don't have to contort yourself like marcel marceau to get under the dash for us 40+ guys
Please be very gentle on that very nice car
hahahaha.... too late!
There's a reason it's called 'basket case'. It wasn't too flash to being with. I'm trying to make a silk purse out of a sow's ear, as the expression goes.
@@inCARnationAustralia yes, I understand completely. Just love these 928. remember I’m the guy that’s coming to Sydney on March 8 on the world cruise
Wouldn't it be easier to rewire the entire car than try and blend MG and 40 yr old 928?
If I was using a Tesla or non-MG motor, it would be. But by sticking with both 928 and MG functions, but keeping them separate as much as possible, I'm hoping there won't be much blending (in an electrical sense) at all. Porsche fuse board will handle many existing functions - lights, wipers, hazards, brake warnings, etc. And MG will handle everything to do with high voltage - charging, motor management, AC, engine and battery cooling systems. Re-wiring the entire car I see as a huge task and I'm trying to avoid it.