Fuel injection rebuild

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Simmy
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Re: Fuel injection rebuild

Post by Simmy »

It's been another while since the last post. Couldn't get back into it after having to send the heads back for the third time. But they were done eventually...

Finally managed to get the long block together this weekend. Still need to set the valve lash this week (0 lash for chromoly?)

Sourced some spring shims to protect the heads and hopefully remove one source of metal particulates from the system.
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Swapped out the wire circlips for snap rings. Deburred them and made sure they all went in with the rounded edge facing the wrist pin.
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Don't forget the baffles!!!! Please excuse the judicious use of sealant....
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Read somewhere that a bit if copper slip on the sealing surface was a good idea. (I think Impi?)
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And there we have it! Seems like it's mostly downhill from here...
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I have partially fitted the rear brace. Unfortunately the one set of brackets need to be bent a little, but I will put together a separate post on that.


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Tony Z
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Re: Fuel injection rebuild

Post by Tony Z »

Progress!! Whoo hoo.
I was wondering about you a few days ago...
Keep it up
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Re: Fuel injection rebuild

Post by Simmy »

Tony Z wrote: Mon Mar 02, 2020 1:04 pm Progress!! Whoo hoo.
I was wondering about you a few days ago...
I wonder about me most of the time... :?

But yes! Progress!
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Riaan.N
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Re: Fuel injection rebuild

Post by Riaan.N »

Looks GREAT Image

Maybe have a look at Loctite 577 thread sealerImage

Image


There are nuts with what seems to be a good quality seal built in.... don’t know about it’s ability to be useable as a nut that must be torqued.

https://www.boellhoff.com/de-en/product ... -lock.php
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Re: Fuel injection rebuild

Post by fourier »

Simmy wrote: Mon Mar 02, 2020 8:23 am (0 lash for chromoly?)
Yes zero lash for chromoly, but push rod should still be able to spin freely between your finger tips...
(o= i =o) (o\ ! /o)
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Re: Fuel injection rebuild

Post by Wentzel »

Glad to see some progress. Can't wait to hear it running.
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Re: Fuel injection rebuild

Post by Simmy »

Riaan.N wrote: Mon Mar 02, 2020 5:55 pm Maybe have a look at Loctite 577 thread sealerImage
I actually have some 517, which is a pipe sealant. I have used it on all the gallery plugs. I dont think it is suitable as a thread lock. Interestingly normal Blue Loctite is listed as a thread sealant and thread lock simultaneously. When sealing the heads and case, I just put some of the case sealand under the washers and on the underside of the nuts. I figure those are the 3 areas for oil leak, so if you cover them, then chances are good that oil leaks will be minimised.
fourier wrote: Mon Mar 02, 2020 9:04 pm Yes zero lash for chromoly, but push rod should still be able to spin freely between your finger tips...
Thanks! I did just that last night. Just as you feel the resistance, back it off just the tiniest amount and then lock it.
Wentzel wrote: Mon Mar 02, 2020 9:24 pm Glad to see some progress. Can't wait to hear it running.
Thanks! Looking forward to that moment as well. I hope you have managed to carve out some time for yours as well :)
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Tony Z
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Re: Fuel injection rebuild

Post by Tony Z »

under the washers you'll be better off with something like permantex ultra black
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Riaan.N
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Re: Fuel injection rebuild

Post by Riaan.N »

I didn’t know that about the Blue Loctite....maybe I should read the labels
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Re: Fuel injection rebuild

Post by Simmy »

Riaan.N wrote: Tue Mar 03, 2020 1:21 pm I didn’t know that about the Blue Loctite....maybe I should read the labelsImageImage
At some point I had to be able to teach someone on the forum something :P
Tony Z wrote: Tue Mar 03, 2020 12:41 pm under the washers you'll be better off with something like permantex ultra black
I am sure you are right, but I am sure its better than nothing... I have been quite impressed with the Victor Reinz sealant. It seems to flow well and it doesnt skin over and set as rapidly. Time will tell if my theories are valid...
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Tony Z
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Re: Fuel injection rebuild

Post by Tony Z »

That Victor Reinz sealant, from what I can make out, is pretty much the same as the Permatex Ultra black
I only use Ultra Black now, its doing quite well, better than the loctite grey I used to use.
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Re: Fuel injection rebuild

Post by Wentzel »

I use Victor Reinz these days also seems to work good but our engines will be the proof.

Busy with my engine too hoping to get it running soon.
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Re: Fuel injection rebuild

Post by Simmy »

Couple more updates. The tinware is mostly on, ancillaries in place and everything seems to fit. Only issue is the new manifold just catches the underside of the alternator stand, so will need to fiddle that around.

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I decided to fit some U-channel rubber on the edges to help seal and prevent rattles. Stainless fasteners used where I can.
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There were some gaps between the fan shroud and the cylinder time which I closed with some spacers.
Before, they were just tightened up which broke some of the spot welds.
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Thermostat in place and set.
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Tony Z
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Re: Fuel injection rebuild

Post by Tony Z »

I hope that is going into a beach buggy.
I doubt that those fuel lines will fit into an engine bay the way you have them now
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Re: Fuel injection rebuild

Post by Simmy »

Nope. In a normal bug. The headers/fuel rails will have to go in after the engine is in place, but as far as I can tell, it will still fit....
https://www.thesamba.com/vw/forum/viewt ... p?t=712832

The lines can still rotate quite a bit, and they are just arbitrarily fitted right now.
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