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Oheggem's Avatar
 
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Quote:
Originally Posted by gumba View Post
This just replaces the WUR. You would need to figure out how to run it parallel with the xdi.
The xdi runs without any parallel to the wur so if i had a digital fuelsystem separate and set ignition timing, would the fuelsystem need to work off the ignition timing? Is the xdi connected or affected by the wur?

Hope thats not too stupid of a thought
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Old 11-07-2015, 03:53 PM
  Pelican Parts Technical Article Directory    Reply With Quote #461 (permalink)
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Quote:
Originally Posted by Oheggem View Post
Is the xdi connected or affected by the wur?

No physical connection between the two. Adjusting engine timing via the XDi has an effect on the Air Fuel Ratio - so there's that non-physical connection to the fuel system in general - but AFRs are adjusted at the fuel head.
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Old 11-07-2015, 04:00 PM
  Pelican Parts Technical Article Directory    Reply With Quote #462 (permalink)
umop apisdn
 
Join Date: Jun 2014
Location: Brisbane, Australia
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From Page 1 of this thread

Quote:
FrankenCIS is a software and hardware project to allow the MegaSquirt family of engine controllers to replace the Bosch WUR.

In its simplest implementation - mimicking the WUR by a temperature to bar map and closed loop pressure control. With optional interceptor like +- control of fuel mixture using the full mapping abilities of the MegaSquirt family.

More advanced implementations - the sky is the limit really. Spark and Idle control. Full fuel mapping. Closed loop wideband O2 control. Boost enrichment and or pressure control. and so on.
its worth having a look at the manual at FrankenCIS Manual - Downloads

and the following diagram from FrankenCIS > FrankenCIS

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Steve
1981 928S 4.7 ROW with KE3-Jetronic and Franken8 (AEM Inifinty) follow at [http://www.frankencis.com/Activity-Feed/userid/2]
Yes! mechanical/hydraulic constant flow injection can be managed by a modern EMS

www.FrankenCIS.com
Old 11-07-2015, 04:08 PM
  Pelican Parts Technical Article Directory    Reply With Quote #463 (permalink)
umop apisdn
 
Join Date: Jun 2014
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If your XDI is the basic pot adjustable type


Then there are some easy choices to be made

FrankenCIS requires RPM input, and can happily operate from the very basic tachometer signal or the much better 60-2 wheel and crank sensor that electromotive and Bosch use

So the XDI could stay and FrankenCIS run in simple mode from the tach - only controlling fuel
or
XDI could be replaced by FrankenCIS and run directly from the engine position sensors - controlling both spark and fuel
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Steve
1981 928S 4.7 ROW with KE3-Jetronic and Franken8 (AEM Inifinty) follow at [http://www.frankencis.com/Activity-Feed/userid/2]
Yes! mechanical/hydraulic constant flow injection can be managed by a modern EMS

www.FrankenCIS.com
Old 11-07-2015, 04:26 PM
  Pelican Parts Technical Article Directory    Reply With Quote #464 (permalink)
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kenikh's Avatar
 
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Dump the XDI. Run spark from the Microsquirt.
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- 1979 930

Last edited by kenikh; 11-07-2015 at 04:35 PM..
Old 11-07-2015, 04:32 PM
  Pelican Parts Technical Article Directory    Reply With Quote #465 (permalink)
umop apisdn
 
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page 135 of the microsquirt manual shows the coil wiring for a v8 in wasted spark mode
http://www.msextra.com/doc/pdf/Microsquirt_Hardware-3.4.pdf

the 911 would use 3 of the shown 4 outputs for 6 cyl wasted spark
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Steve
1981 928S 4.7 ROW with KE3-Jetronic and Franken8 (AEM Inifinty) follow at [http://www.frankencis.com/Activity-Feed/userid/2]
Yes! mechanical/hydraulic constant flow injection can be managed by a modern EMS

www.FrankenCIS.com
Old 11-07-2015, 05:44 PM
  Pelican Parts Technical Article Directory    Reply With Quote #466 (permalink)
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I'm convinced more every day that Microsquirt it's everything we need. Not everything we want, but essentials are enough. My list of needs:

✔ programmable ignition w/ twin plugs
✔ boost control
✔ FrankenWUR wbo2 control
✔ knock control

More esoterically, I have long wanted to do a stealth twin plug setup driven from a single master ignition table, using phasing of the distributor for the top plugs, and COPs or CNPs for the bottom plugs. Microsquirt supports all of these.

Needless to say, there may be a lightly used tec3r for sale very soon. �� Depends on how electromotive responds to my ask for integrating FrankenWUR support.
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- 1965 911
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Old 11-07-2015, 05:58 PM
  Pelican Parts Technical Article Directory    Reply With Quote #467 (permalink)
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Quote:
Originally Posted by kenikh View Post
Dump the XDI. Run spark from the Microsquirt.
I really wish it was that easy but i`m on a budget. If i had the money to just drop a $1500 ignition system like that then i`d go full efi right away. If i call up Richard Clewett he has a efi system plug and play for $3000 minus what i already have though the ignition system like the coils trigger wheel etc. I`m either going for the BL WUR or this system that replaces the stock wur..? Bl wur is about $400. This is originally another option to the BL Wur right?

I`m looking to get a tunable wur. A plug and play so to speak. If all i need is:

Franken CiS Wur
Microsquirt unit
Fuel Injector
CP sensor
MAP sensor - got a 2 bar map sensor
Pressure Damper - not needed on the basic

IAT sensor
Engine Temp sensor
WBo2 - got a plx wideband system. can i use it?

then this might be what i`m looking for. Is it or am i totally lost here?
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Old 11-10-2015, 04:57 AM
  Pelican Parts Technical Article Directory    Reply With Quote #468 (permalink)
umop apisdn
 
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Quote:
Originally Posted by Oheggem View Post
...Franken CiS Wur
Microsquirt unit
Fuel Injector
CP sensor
MAP sensor - got a 2 bar map sensor
Pressure Damper - not needed on the basic

IAT sensor
Engine Temp sensor
WBo2 - got a plx wideband system. can i use it?
Yes, that should do for the basics
The PLX should work with the system too as long as it has an 0v-5v output available
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Steve
1981 928S 4.7 ROW with KE3-Jetronic and Franken8 (AEM Inifinty) follow at [http://www.frankencis.com/Activity-Feed/userid/2]
Yes! mechanical/hydraulic constant flow injection can be managed by a modern EMS

www.FrankenCIS.com
Old 11-10-2015, 05:12 AM
  Pelican Parts Technical Article Directory    Reply With Quote #470 (permalink)
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Beat me to it. It will work and the PLX has an AFR pass thru to feed the Microsquirt.
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- 1965 911
- 1969 911S
- 1980 911SC Targa
- 1979 930
Old 11-10-2015, 05:50 AM
  Pelican Parts Technical Article Directory    Reply With Quote #471 (permalink)
umop apisdn
 
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the pressure sensor should be 1/8 npt 100PSI NPT1 8 Pressure Transducer OR Sender FOR OIL Fuel Diesel GAS Water AIR | eBay
the engine temp sensor for air cooled the 911 was a few pages back - i'll try and find it
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Steve
1981 928S 4.7 ROW with KE3-Jetronic and Franken8 (AEM Inifinty) follow at [http://www.frankencis.com/Activity-Feed/userid/2]
Yes! mechanical/hydraulic constant flow injection can be managed by a modern EMS

www.FrankenCIS.com
Old 11-10-2015, 06:03 AM
  Pelican Parts Technical Article Directory    Reply With Quote #472 (permalink)
umop apisdn
 
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This was the one wasn't it Kenikh?
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Steve
1981 928S 4.7 ROW with KE3-Jetronic and Franken8 (AEM Inifinty) follow at [http://www.frankencis.com/Activity-Feed/userid/2]
Yes! mechanical/hydraulic constant flow injection can be managed by a modern EMS

www.FrankenCIS.com
Old 11-10-2015, 06:06 AM
  Pelican Parts Technical Article Directory    Reply With Quote #473 (permalink)
umop apisdn
 
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the temp sensor is cheaper on ebay Porsche VW Engine Cylinder Head Temperature Sensor 0280130012 | eBay
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Steve
1981 928S 4.7 ROW with KE3-Jetronic and Franken8 (AEM Inifinty) follow at [http://www.frankencis.com/Activity-Feed/userid/2]
Yes! mechanical/hydraulic constant flow injection can be managed by a modern EMS

www.FrankenCIS.com
Old 11-10-2015, 06:22 AM
  Pelican Parts Technical Article Directory    Reply With Quote #474 (permalink)
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Quote:
Originally Posted by Reanimotion View Post
This was the one wasn't it Kenikh?
Yep. Already installed on my 930 in the cam tower, as well. Works well.
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Old 11-10-2015, 07:28 AM
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I think i have the shopping list ready then? Thanks guys for helping out with this so far. I`m going for it! I`ll hear with Dkubus and see if Mike has any of the other parts on that list other than the CiS block to save on shipping. Shipping is always the killer in Norway in the hunt for parts.
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Old 11-10-2015, 08:09 AM
  Pelican Parts Technical Article Directory    Reply With Quote #476 (permalink)
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I have decided to go for this instead of a BL wur. Wondering about something. I never got to install my 2 bar map sensor with my xdi kit but i need a 3 bar anyway. What i`m wondering is, should i just hook that up to the microsquirt unit and or can i hook both the xdi and the ms at the same time. Figure they both work off the same numbers so i might just let them share the map. I`ll also hack into the tach the xdi is using.

I`ll start collecting parts and take my time due to budget but i`ll let you know when i`m ready to install. I should`ve found a switch power for the xdi but instead i just wired it straight to the battery with a5a fuse and have that on a switch in the car. This will work for the ms also right?
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Old 11-12-2015, 11:48 AM
  Pelican Parts Technical Article Directory    Reply With Quote #477 (permalink)
umop apisdn
 
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it would need to be verified by testing during the install, but sharing the map sensor signals 'should' be ok
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Steve
1981 928S 4.7 ROW with KE3-Jetronic and Franken8 (AEM Inifinty) follow at [http://www.frankencis.com/Activity-Feed/userid/2]
Yes! mechanical/hydraulic constant flow injection can be managed by a modern EMS

www.FrankenCIS.com
Old 11-12-2015, 01:08 PM
  Pelican Parts Technical Article Directory    Reply With Quote #478 (permalink)
 
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If it leads to a voltage drop (it shouldn't) the EMS should allow you to tune for the change anyway. Might take a little trial and error.
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- 1969 911S
- 1980 911SC Targa
- 1979 930
Old 11-12-2015, 02:10 PM
  Pelican Parts Technical Article Directory    Reply With Quote #479 (permalink)
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I have some extra (50eur) 3bar 5V MAPs that I could sell. They have a hose connection and I use one of them on the TB nipple and have the MAP unit in the car. I'm thinking of using another for backpressure. I think I have 10 of them?
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Old 11-12-2015, 10:45 PM
  Pelican Parts Technical Article Directory    Reply With Quote #480 (permalink)
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