FrankenFerrari - V12 Ferrari 308

What engine are you torturing? Is it inside some car?
mk e
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Re: FrankenFerrari - V12 Ferrari 308

Post by mk e » Fri Jul 26, 2019 3:23 pm

russian wrote:
Fri Jul 26, 2019 2:19 pm
You have sweet toys :)

How does it go with the valve? Does the engine start as of today? Asking in light of the "rusEfi v12" idea using your engine.
I spotted it on craig's list, it was right on my way home from work and he was only asking $1000.....last night it came home for $900. Its from the 70s or early 80s but I don't think its ever been used.

Sadly the engine has not been touched :(

Lana's really really good about adding stuff to the list of "the shops not done until" stuff so I've not touched the engine. Soon the work will begin...I hope....but now when it is fixed I can do all the testing on the bench...well after I build stands and adapters and such.

Not ecu related but since I can't be in the shop until Lana releases me all I can do is stuff at work like shop for a dyno or design new wheels that look ind of 308ish but more modern I think and 18" and wide instead of factory 16" and narrow. Here's the first wheel fresh off the mill in china, just needs paint and 3 siblings. The china place has forged blanks, then I need to fit what I want inside...I';m pretty happy with how they are coming out and can't wait to see then on the car....of maybe even drive with them on the car :someday :)
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mk e
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Re: FrankenFerrari - V12 Ferrari 308

Post by mk e » Mon Jul 29, 2019 4:58 pm

I found a stepper with a gear reduction the my ECU should be able to drive directly and a little encoder for the back I should be able to read and a big 1 1/2" valve that should have plenty of flow for the dyno...now hopefully the stepper can turn the valve and I have a working $2000 load valve for just over $100.
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Abricos
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Re: FrankenFerrari - V12 Ferrari 308

Post by Abricos » Mon Jul 29, 2019 5:44 pm

Maybe this ...
Screenshot_20190729-134138.jpg
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https://www.amazon.com/Motorized-Valve- ... 0070&psc=1

mk e
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Re: FrankenFerrari - V12 Ferrari 308

Post by mk e » Mon Jul 29, 2019 7:44 pm

I think those valves are open or close with simple limit switches to know which? I imagine an encoder could be added to get some control but its not baked into the design and controlling low flow rates with a big ball valve can be a challenge just like controlling off-idle air flow with big throttles is. Also the required size is 1 1/2" as in 1.5" not 1/2.....which drives the price up quite a bit.

mk e
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Re: FrankenFerrari - V12 Ferrari 308

Post by mk e » Fri Aug 02, 2019 12:14 am

mk e wrote:
Fri Jul 26, 2019 3:23 pm
russian wrote:
Fri Jul 26, 2019 2:19 pm
You have sweet toys :)

How does it go with the valve? Does the engine start as of today? Asking in light of the "rusEfi v12" idea using your engine.
Sadly the engine has not been touched :(
So, the new dyno sitting there has me motivated to fix the engine....i started ordering parts. Everything that's broken is custom of course so 3-6 weeks on most of it then stuff like the cylinder sleeve comes as a blank 4 weeks from now when its off backorder and I need to machine 10-12lbs of iron of to find the sleeve hiding inside.

Anyway, it's moving again.

I have a plan to make a dyno wiring harness.....there might be room for some pre-planning here to create a way for you to plug in. If I'm not mistaken I'll still need some things in my ECU so it might require careful planning as I don't want a butchered dyno harness when were done....but he can discuss as the day arrives.

mk e
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Re: FrankenFerrari - V12 Ferrari 308

Post by mk e » Tue Aug 27, 2019 6:46 pm

I think all the parts I need to fix it will be arriving in the next 2 weeks. A lot of custom so the "cylinder that is coming is a blank that I need to remove about 10lbs from to find a useable cylinder hiding inside....but it should be an engine again in about a month.

mk e
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Re: FrankenFerrari - V12 Ferrari 308

Post by mk e » Fri Aug 30, 2019 10:07 pm

hmmmm...turned into a full rebuild when i discovered the while the piston was beating up the valve it also completely beat out the rod bearing....I hate when that happens. i still think it will be an engine again in about 4-6 weeks....as long as Lana constitutes to let me spend.
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mk e
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Re: FrankenFerrari - V12 Ferrari 308

Post by mk e » Fri Sep 06, 2019 8:00 pm

russian wrote:
Fri Jul 26, 2019 2:19 pm
You have sweet toys :)

How does it go with the valve? Does the engine start as of today? Asking in light of the "rusEfi v12" idea using your engine.
I think it will be an engine again in 6-8 weeks. What are you thinking you want to test? Just will it run or ????

I'm pretty sure I'll be setting it up on the dyno.....just not sure how much load and for how long I'll have the dyno setup to handle or how long it will take me to get the dyno functioning and the engine kind of setup right.

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Re: FrankenFerrari - V12 Ferrari 308

Post by russian » Fri Sep 06, 2019 11:43 pm

mk e wrote:
Fri Sep 06, 2019 8:00 pm
Just will it run or ????
Yes, mostly a publicity/achievement video since v12 is a WOW. While rusEfi has done single ETB, still would need to make progress to get to dual ETB.
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mk e
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Re: FrankenFerrari - V12 Ferrari 308

Post by mk e » Sat Sep 07, 2019 12:24 am

russian wrote:
Fri Sep 06, 2019 11:43 pm

Yes, mostly a publicity/achievement video since v12 is a WOW. While rusEfi has done single ETB, still would need to make progress to get to dual ETB.
Mine is single ETB.....it pulls a lot of power but its a single. I use a pololu driver that need a PWM and a direction signal.

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Re: FrankenFerrari - V12 Ferrari 308

Post by russian » Sun Sep 08, 2019 2:17 am

mk e wrote:
Sat Sep 07, 2019 12:24 am
Mine is single ETB.....it pulls a lot of power but its a single. I use a pololu driver that need a PWM and a direction signal.
Our options are 7A TLE7209 or 6A TLE9201. If things are desperate there is 30A VNH2SP30.
https://rusefi.com/s/howtocontribute
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mk e
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Re: FrankenFerrari - V12 Ferrari 308

Post by mk e » Sun Sep 08, 2019 7:27 pm

russian wrote:
Sun Sep 08, 2019 2:17 am
mk e wrote:
Sat Sep 07, 2019 12:24 am
Mine is single ETB.....it pulls a lot of power but its a single. I use a pololu driver that need a PWM and a direction signal.
Our options are 7A TLE7209 or 6A TLE9201. If things are desperate there is 30A VNH2SP30.
I killed a pololu driver that I think said it was 17A, the one in there now is rated at 25A, its external in the wiring harness.

https://www.pololu.com/product/2994

My ecu has 2 internal drivers, but they are 5A. Its 2.3 ohm so 6A I guess....but the 17A driver died, not sure why....

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Re: FrankenFerrari - V12 Ferrari 308

Post by stefanst » Sun Sep 08, 2019 11:41 pm

12V and 17A is 200W. That seems like a lot of power for a throttle body. I don't really have a means of comparison, but it really seems excessive. I would install maybe a 5A flying fuse in the next version. If it blows, you know it's the raw amps. If it doesn't blow, but the driver blows again, it's likely some inductive spikes causing the trouble. If nothing blows, drive the car!

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Re: FrankenFerrari - V12 Ferrari 308

Post by mk e » Mon Sep 09, 2019 1:05 pm

stefanst wrote:
Sun Sep 08, 2019 11:41 pm
12V and 17A is 200W. That seems like a lot of power for a throttle body. I don't really have a means of comparison, but it really seems excessive. I would install maybe a 5A flying fuse in the next version. If it blows, you know it's the raw amps. If it doesn't blow, but the driver blows again, it's likely some inductive spikes causing the trouble. If nothing blows, drive the car!
It does seem like a lot.iiiit gets hot but not 200W hot but I had it on a 10A fuse which popped, twice. Its on a 15A now iirc, might be 20, I'd have to double check. Remember there are 12 TBs that need to move. The actuator I have was designed for 6 on an M BMW so its pretty big. I know the AEM/enginelab guys had trouble with the freescale 5A chip overheating on oem setups, big TBs used for roadracing where they are open most of the way and moving a lot...and that's just 1 TB.

Not sure way the driver failed.....they said to add a big cap which I didn't so it could be that. I have a cap on it now and maybe the smaller driver would be fine now but for an extra few $$ I just used the higher rated one not wanting to worry about it.

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Re: FrankenFerrari - V12 Ferrari 308

Post by mk e » Wed Sep 18, 2019 2:21 pm

I thing I have all the part I need to track down to mount the dyno to the engine....just need the engine working. The dyno came with what appear to be older GM and Ford "clutch shaft) adapters that bolt to the dyno then plug into the GM or Ford (there are 2) clutches and had bolt patterns and centering adapter for the GM and Ford bellhousings. The ferrari 400i Auotmatic used a GM 400 THM trans, so there are ferrari to GM bellhousing adapters which I got along with a pre '86 GM bellhousing and the I can mount the dyno brake to the engine. I clearly don't have a GM cluthc for it to plug into but for $60 found a cool racing piece that has the right spline and bolt holes so I should be able to make a simple adapter. Nice, that much closer to testing.
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mk e
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Re: FrankenFerrari - V12 Ferrari 308

Post by mk e » Wed Sep 18, 2019 2:23 pm

nothing at all to do with engines or ECUs but the wheels I designed are here and I'm pretty happy
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