Mikey Bikey's Scimega

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MikeyBikey
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Mikey Bikey's Scimega

Post by MikeyBikey » Wed Sep 19, 2018 8:55 pm

From an on line blog asking the same question
re Map Sensor
"no they are different
ie a 1 bar sensor will send back 5v at 0 manifold pressure, 2 bar will send 5v back at 14.7psi etc, so they are all different,

"

Phil whats a PWM valve ?


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Post by philhoward » Wed Sep 19, 2018 9:00 pm

Which BMW is it from? Unless you’re going to add turbos then a 1bar sensor is what you need, irrespective if it’s if a BMW, Volvo or Dacia.

PWM - Pulse Width Modulation - also known as a 2 wire orsolenoid valve. A stepper motor one (4 wire) needs the corresponding drive circuits in the ECU and that’s only the electrics.


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MikeyBikey
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Mikey Bikey's Scimega

Post by MikeyBikey » Wed Sep 19, 2018 9:36 pm

R50 Mini cooper and its a 1 bar sensor thankfully. Its the same shape and I purchased it as
1) Euro Car parts dont have anything listed for my engine
2) Found it on ebay, Being OEM hopefully the quality is ok.


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superleggo
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Mikey Bikey's Scimega

Post by superleggo » Wed Sep 19, 2018 9:39 pm

I take my hat off to you Phil for fitting the water pipe with the original set and engine in the car. I dropped the o ring several times with no body shell on the chassis!



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Post by philhoward » Wed Sep 19, 2018 9:40 pm

1) that’ll be because there isn’t a MAP sensor on the Vauxhall V6
2) theoretically yes - assuming the R50 doesn’t have issues with sensor failures.


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Post by philhoward » Wed Sep 19, 2018 9:41 pm

superleggo wrote:
Wed Sep 19, 2018 9:39 pm
I take my hat off to you Phil for fitting the water pipe with the original set and engine in the car. I dropped the o ring several times with no body shell on the chassis!
I wouldn’t call it an easy job at all but it’s doable...just!


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Mikey Bikey's Scimega

Post by DarrylWebb » Sun Sep 23, 2018 5:44 pm

The last page of discussion went right over my head :P , which is why I kept GM OEM as much as possible.


Scimega: Project X30XE Pro-Touring Scimitar

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MikeyBikey
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Mikey Bikey's Scimega

Post by MikeyBikey » Sun Sep 23, 2018 9:48 pm

Phil, which fuel tank did you use. Mk1 or mk2 focus. The mk1 seems to have a separate standard fuel pump. The mk2 has fuel pump in tank. ? Just ideas about creating a workbench to see if I can get the engine running before fitting.


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Post by philhoward » Mon Sep 24, 2018 4:04 am

Mk1 - they both have in-tank pumps but no return line on the later tanks.


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superleggo
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Mikey Bikey's Scimega

Post by superleggo » Mon Sep 24, 2018 11:34 pm

Mikey

They return via some odd shaped thing that I guess is to do with emissions or some carbon type filter which I din not bother reinstating as there was not enough room.
This is it. I am sure someone more intelligent than me will confirm what it does.
nov 2017 mid 003.JPG
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However the return port on the pumps is blanked off.

the white is the flow and the red return
nov 2017 mid 001 (2).JPG
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nov 2017 mid 003 (3).JPG
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The red one is a blanking plug and if you get another flow insert from the scrap yard the you can replace the red item blank with one with a hole in it.

They are a bit delicate to remove without breaking off the retaining clips. I broke the first one in the scrap yard and had to find another one!!

Don't forget to get all the o rings as they sometimes get retained in the pump fitting and need rescuing with a smaller screwdriver. If you don't get all the o rings then you will probably have a leak under pressure.

Here is the inlet fitting you need to fit to the outlet.
nov 2017 mid 003 (2).JPG
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I can't remember if there are supposed to be 2 or 3 o rings

The Focus tank fits with a little heat after you have washed it out.

I used a tank out of a Focus ST170 as I thought the pump may keep us with a V^ as they are up rated pumps in the ST170



superleggo
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Mikey Bikey's Scimega

Post by superleggo » Mon Sep 24, 2018 11:39 pm

Her is the fitting with the pipe removed. A 8mm fuel pipe fits straight on
fuel return fitting 003.JPG
fuel return fitting 003.JPG (81.44 KiB) Viewed 2181 times



superleggo
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Mikey Bikey's Scimega

Post by superleggo » Mon Sep 24, 2018 11:43 pm

Here is the propshaft I used
DSC00386.JPG
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DSC00387.JPG
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DSC00388.JPG
DSC00388.JPG (154.13 KiB) Viewed 2181 times



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MikeyBikey
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Mikey Bikey's Scimega

Post by MikeyBikey » Tue Sep 25, 2018 7:01 am

Thank you Hugh. Great meeting you last week. Great project.

—-
ECU


Canems were the original choice. On their website they have converted a Capri to a v6 Vauxhall and Lozzz had a good experience, and he has some rolling road experience so they are very mappable. So all good. However Canems seemed to have got very busy and were struggling to respond to any queries so as per this post http://www.scimitarweb.co.uk/sgwrs/view ... =1&t=39682 I was trying too see what alternatives are out there.

I wanted sparks and lpg injection only. But it transpires lpg injectors have lower resistance than petrol and I would always need a seperate / piggy back ecu. I was trying to avoid this, simply down to the wiring mess, complexity, cost etc etc. So even if i bought alternatives I'd still need another ecu.


so after a fair bit of head scratching , teeth sucking and research I’ve ordered and paid for the Canems dual system ecu. Its a single ecu but will drive sparks, lpg injection and petrol injection. It’s not cheap, but it’s proven, gives me the reassurance of two fuels and of course I can keep the ecu as a Christmas present to myself. It also requires the minimum of sensors.

Crank, MAP, Throttle position. Beauty.

So placed the order and it’s being built.
Last edited by MikeyBikey on Tue Sep 25, 2018 7:26 am, edited 1 time in total.


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MikeyBikey
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Mikey Bikey's Scimega

Post by MikeyBikey » Tue Sep 25, 2018 7:02 am

And I had cam belt, pulleys, water pump fitted yesterday.
WP_20180925_21_08_58_Pro.jpg
WP_20180925_21_08_58_Pro.jpg (178.73 KiB) Viewed 2050 times
Water pipe welded
Last edited by MikeyBikey on Tue Sep 25, 2018 9:34 pm, edited 1 time in total.


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stevecrosby63
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Mikey Bikey's Scimega

Post by stevecrosby63 » Tue Sep 25, 2018 11:12 am

awesome project mike,looking forward to seeing this run in anger 8)


i'm making this up as i go along :shock:

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