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PostSubject: Plug locations   Fri 04 Sep 2015, 11:02 am

I'm struggling here with plug locations on the Bussing 8000 s13 engine. It's deisel of course but even diesel engines need plugs to get them started.

Revel have included the injectors which you can see here tipped in black but no plugs.

I have searched the web but cannot find the plug locations, either on the 1:1 or on a model.

Can anyone help please?






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PostSubject: Re: Plug locations   Fri 04 Sep 2015, 1:47 pm

I don't know old diesel truck engines.  I did what you may've done, googled Bussing 8000 truck. and I got great fotos of both sides of one up for auction. On engine pix  I couldn't see anything that looked like the  glow plug wiring.  I'd say just skip it and maybe detail other places on the engine with the excellent fotos of that '40s Bussing.
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PostSubject: Re: Plug locations   Fri 04 Sep 2015, 2:38 pm

Ive looked around and specified the 13ltr diesel engine of the period rather than the vehicle in question.

One renovation site i came across (didn't realise trucks had such a massive following) mentioned the fact that the plugs were covered by casings ... maybe those three top covers hide the plugs?? it's not a great design if they do but obviously works well as the engine was used in everything from trucks to trains.

I'll keep looking
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PostSubject: Re: Plug locations   Fri 04 Sep 2015, 4:01 pm

Harron... have you a link to that auction please?

Coilin... I did wonder about that. Do you have a link to that site please?

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PostSubject: Re: Plug locations   Fri 04 Sep 2015, 4:42 pm

OK.... I can be incredibly stupid sometimes but I now have this sussed.

As I'm sure we all know, diesel engines don't use 'spark' plugs, instead they use what are normally referred to as 'glow' plugs. Put simply, the tip's of the plugs glow red instead of sparking. This is only on start up. Once running, the plugs stop glowing and the deisel fuel ignites on detonation only.

So no need for a dizzy.

Looking at the instructions more carefully (see, real men DO need instructions sometimes!!) confirms this:



This is a 1942 Bussing engine and I'm guessing the glow plugs are behind this:



.... since they are not on the other side either.



Well that at least saves some wiring!!!    

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PostSubject: Re: Plug locations   Fri 04 Sep 2015, 5:20 pm

That looks remarkably like the dozens of engines I looked at without realising

they had that assembly on the side too, I just imagined it'd have glow plug caps showing ....

Ah well you're sorted
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PostSubject: Re: Plug locations   Fri 04 Sep 2015, 6:35 pm

Glow plugs it is. Diesels used glow plugs to heat and fire the fuel until cylinder temps came up and the engine would run without them. Looks like your instructions show them in place.
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PostSubject: Re: Plug locations   Fri 04 Sep 2015, 6:41 pm

Nope! It's still wrong.

What I thought were the glow plug caps are in fact water outlets to the radiator!!!!



Oh well! sod it, maybe they really are in the casings as Colin suggested.

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PostSubject: Re: Plug locations   Fri 04 Sep 2015, 7:24 pm

Ok ... after a lot of brousing too many geeky truck forums and putting two and two together ....... ish.

The little things you have as the injectors .... general census is they seem to be the plug boots

there's an injector unit on the right of the block (white ring) and the inlets are ringed in red.

Got a sharper picture to show this



then again there's variation upon variation of this particular engine so just go with you gut mate lol
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PostSubject: Re: Plug locations   Fri 04 Sep 2015, 8:50 pm

Thanks for you time and input Colin. Really appreciatted mate.

OK, I think this does sus it now.

Take a look at this photo:



It's an earlier non-crossflow engine. However, you can clearly see the injectors at the top and the glow plugs below, both on the same side.

I also came across this, which is a cross section drawing of the Bussing 8000 S13 engine, the one I am concerened with:



Again both on the same side.

You can see the glow plug wires in your photo too Colin:



So that's what I'm going to go with.

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PostSubject: Re: Plug locations   Fri 04 Sep 2015, 9:14 pm

Hi Al,

I've been looking around since you posted this puzzle up and I think I have finally solved it...

If you look where I've ringed you might be able to make out the wire's for the glow plugs inline with the inlet manifold...: -



Hope it helps Sir...

Andy...
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PostSubject: Re: Plug locations   Fri 04 Sep 2015, 9:16 pm

Agggggghhhhhhhhh, bugger, you beat me too it...
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PostSubject: Re: Plug locations   Fri 04 Sep 2015, 10:08 pm

You know what this means .........


What are the little boots for on the top of the kit engine?????
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PostSubject: Re: Plug locations   Fri 04 Sep 2015, 11:00 pm

I was away today.  Those are the engine fotos.  As seen in other fotos here, the glow plug wires can be very thin and hard to spot.  Piping on the exhaust side of the engine looks more like it has to do with the engine cooling, as the radiator hose connect to the engine is also there.  Your engine looks a bit different.  The fuel injection unit shown in other fotos  makes clear where they run to.  Bussing (pronounced bee-you-sing, it seems) came early to fuel injection from what I read.
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