Update and improvements on my Oxy build

Here's the place for info on converting to a Type V motor!
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ajdenette
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Re: Update and improvements on my Oxy build

Post by ajdenette » Wed May 09, 2018 6:20 pm

Looks like you are getting close to running again
Alex

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grelland
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Re: Update and improvements on my Oxy build

Post by grelland » Sun May 13, 2018 3:00 pm

Not much left now

Image

Wejjy
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Re: Update and improvements on my Oxy build

Post by Wejjy » Wed May 16, 2018 12:29 pm

Just read the whole lot, and loved seeing your progress. Ive added this to my watch list so will be keeping up with it from now on.
I also have a load of 3d printed parts in my builds! Such a useful toy/tool

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grelland
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Re: Update and improvements on my Oxy build

Post by grelland » Tue May 22, 2018 6:05 pm


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andy198712
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Re: Update and improvements on my Oxy build

Post by andy198712 » Thu May 24, 2018 12:49 pm

great news!!

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grelland
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Re: Update and improvements on my Oxy build

Post by grelland » Fri May 25, 2018 1:40 am

Well, to be more specific: in ran, then it cought fire, and then I am rebuilding the engine compartment ;)

It sounds a bit dramatic, and it was, in the moment it happened, but I managed to put it out quickly and the only damage seems to be on the fan shroud and firewall:
33232574_10216669188352297_7177470855100760064_n.jpg
I removed the fan shroud and it seems to have started around the #4 injector:
innsug-tb.jpg
The cable/connector is toast, but the injector is hopefully ok:
kabelklyse.jpg
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grelland
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Re: Update and improvements on my Oxy build

Post by grelland » Fri May 25, 2018 1:47 am

After some investigations I found a damaged o-ring on the pressure side of the #4 injector:
o-ring.jpg
So my theory is that there has been a small leak through this o-ring and the fuel/vapour cought fire from a backfire when starting. The cables and paint then cought fire. Luckily I managed to cut the power to the fuel pump immediately, so no more fuel was sprayed at the fire.

So after a day or so with disassembly and cleaning, the engine bay now looks like this:


I have replaced most of the burned wiring, and have a couple of injector connectors coming in today. My son has stripped and prepped the fan shroud for new paint, and I have to ask my wife nicely if she can pull out the sewing machine again.

And I have ordered some automatic fire extinguisher system ;)

But the good news is that it ran REALLY well before it cought fire, so I cant wait to get it back on the road again :)
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Steve Arndt
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Re: Update and improvements on my Oxy build

Post by Steve Arndt » Fri May 25, 2018 9:37 am

Glad you put it out before things got worse. Your car is beautiful.

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grelland
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Re: Update and improvements on my Oxy build

Post by grelland » Fri May 25, 2018 1:22 pm

Steve Arndt wrote:Glad you put it out before things got worse. Your car is beautiful.
Me too ;) I hate to think of how this could have ended.

My eldest son has taken responsibility of the fan shroud and it is getting there.

I also picked up the last few connectors today so most of the parts are ready to go back in within a day or two :)Image
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grelland
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Re: Update and improvements on my Oxy build

Post by grelland » Mon May 28, 2018 1:44 am

And when I came back from a weekend away, this was in my driveway:
shroud.jpg
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grelland
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Re: Update and improvements on my Oxy build

Post by grelland » Tue May 29, 2018 4:22 pm

Soon back to where I was a week ago;) (minus the diamond stitch...)

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grelland
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Re: Update and improvements on my Oxy build

Post by grelland » Wed May 30, 2018 3:51 pm

I spent a lot of time verifying that there are no gas leaks tonight, before I attempt to start it again, but I struggled with getting the fuel rails to seal properly. Probably because I made my own set of holders and I suspect the do not put an even force on the o-rings.

So I reverted back to the original fuel rails, and now everything is nice and dry:
gamle rails.jpg
I hooked up the computer, and I cant get a signal from the MAP sensor, so I need a little more debugging before I am ready for start-up again. I suspect that the wires may have been damaged in the fire, but I will see tomorrow.
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Ian Godfrey
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Re: Update and improvements on my Oxy build

Post by Ian Godfrey » Wed May 30, 2018 10:56 pm

It may be somewhere in the thread but I can't find it...
What brand of throttle bodies are they, they have a lovely straight shot from the injectors.

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grelland
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Re: Update and improvements on my Oxy build

Post by grelland » Fri Jun 01, 2018 1:47 am

Ian Godfrey wrote:
Wed May 30, 2018 10:56 pm
It may be somewhere in the thread but I can't find it...
What brand of throttle bodies are they, they have a lovely straight shot from the injectors.
These:
https://www.vwspeedshop.com/product.php ... 395&page=1

Bought through Mario at thedubshop.com

Ian Godfrey
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Re: Update and improvements on my Oxy build

Post by Ian Godfrey » Fri Jun 01, 2018 10:39 pm

thanks for this, I see they have IDA pattern as well :-)

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