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Has anyone got

Waylander

New member
Hi All

I am looking for a sump blanking plug, not the drain plug but the one the other side, I want to drill it and tap it for an electronic sender, I have this idea about making a old school LCD display for temps and pressures and time and voltage,

 
Interesting project - keep us updated!
I believe the 968 clock has a temp readout (outside air but can possibly read higher?)- not pressure though
Tony
 
well the idea is to feed a Rasberry PI with data stream from the ECU, then put this out on a segmented 50x150 LCD

from the ECU I should get water temp, and oil temp, ambient temp, mass air flow, and a few other things, I needed this plug to get a reference source, I can see this taking an age if I ever get it to work that is


I can see the point of paying £40 plus duty and shipping for a sump plug with a hole drilled in it, plenty on ebay for far less and a pillar drill and a tap n die setwould work out cheaper


 
Waylander said:
well the idea is to feed a Rasberry PI with data stream from the ECU, then put this out on a segmented 50x150 LCD
from the ECU I should get water temp, and oil temp, ambient temp, mass air flow, and a few other things, I needed this plug to get a reference source, I can see this taking an age if I ever get it to work that is
I can see the point of paying £40 plus duty and shipping for a sump plug with a hole drilled in it, plenty on ebay for far less and a pillar drill and a tap n die setwould work out cheaper



Yes you can "drill and tap your original oil plug but you'll lose the magnet in the plug which keeps metal shavings collected from wearing parts such as rings from the cylinders walls and other crucial areas of the engine.

This oil drain plug incorporates a powerful magnet (Neodymium disc measuring 1/2" in diameter). Not only is it much more powerful than the stock magnet, it has a far greater amount of surface area to collect debris.

And a pre-tapped 1/8" NPT hole for a sender unit.

$40 is about £31 + the postage (Less my discount!) it was all less than £40 for something made specifically for the job, you get what you pay for.

R

 
I'm using the plug the other side, and once its working correctly it will all go back to standard

the only time you need a super magnet is if your engine is eating itself, or your convinved bigger is better

even with your "discount" you will still pay shipping and duty.

I am also surprised that have not commented on the ECU and data and the Raspberry I'm sure you have done it bigger better faster and long ago before anyone else, oh and I forgot cheaper
 
Waylander said:
I'm using the plug the other side, and once its working correctly it will all go back to standard


I was surprised that the sump on my 89 2.7 engine has the turbo drain port in it. I think the 2.7 was destined for greater things until Porsche dropped the turbo.
 
Think they all have one, as it would be daft to produce loads of different sumps for essentially the same engine, just a thought about economics, but then again don't think Porsche really cared to much about that back then

the Turbo return hole is much bigger then the drain plug, being a M26x1.5 rather than the M20x1.5 or the odd M22x1.5
 
Could be the case, though a quick google seems to show some pics of sumps without the hole being drilled/tapped.
 
I did the same and the results vary, think the 924s had a different sump, and some appear to have the bigger sump plug
PET shows a different part number and for once gives a thread size, M26 X 1.5, that's a fair sized hole

Don't think I will spend too much time trying to figure it out

Just ordered some 1.3 inch OLED displays and a Raspberry PI 3, should be able to fit three in the panel below the radio
 
Waylander said:
I did the same and the results vary, think the 924s had a different sump, and some appear to have the bigger sump plug
PET shows a different part number and for once gives a thread size, M26 X 1.5, that's a fair sized hole

Don't think I will spend too much time trying to figure it out


I checked it out because I thought a 3.0 crank and a turbo would require a specific sump/scraper.
 
blade7 said:

I checked it out because I thought a 3.0 crank and a turbo would require a specific sump/scraper.



Dunno.......I've got a 2.5 951 Crank in a 3.0 block and 3.0 Sump, which has 2 sump plugs opposite each other.

R
 
Waylander said:
....Just ordered some 1.3 inch OLED displays and a Raspberry PI 3, should be able to fit three in the panel below the radio


Too cool. I've played with Arduinos to drive CNC's and the scope of this little boards of magic still amazes me.
 
As normal the issue will be getting it to speak early Porsche, I think they used a system of hieroglyphics,

If it was ODBII then it would be done by now on a old mobile phone with funky colour displays, but alas its not that easy




 
Very cool! I had a look at reverse engineering the diagnostic plug a while back. My conclusion was that I would need to buy/borrow a genuine Bosch 'hammer' to get started, so I gave up.
I did find that my hall sensor wasn't working at all (it's routed out to the diagnostic plug), changed it and got a nice boost in performance.
 
im not using any of the cars sensors as there is only 3 really,

these sensors are about the size of the rubber on a pencil


 
Yes I know, exclusive colour too,

this is just to get the concept running,

i plan to have two 2.4 or 2.8 screens hidden behind smoked screen, they can only be seen when powered on, these are 1.3 inch Oled white only, but with a chunky font you can read them from 10 feet away no problem and a pair for £6
 

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