The Bocsh cis injection thread.

[carat 3.6]

Hello mate

Nice one! Lets hope they do the job.

If not, there's an amazing motorsport parts supplier about 10 mins away from me. Welcome to the home of Mocal oil coolers and components - Think Auto

I already have some goodies here to test

mazza

Hi mate,

I may have to pay them a visit, the guys that I normaly use to make up my lines cant match the injector unions.

I'll see how the golf lines fit first, but I need 2 more anyway.

 

[mazza]

Hi mate,

I may have to pay them a visit, the guys that I normaly use to make up my lines cant match the injector unions.

I'll see how the golf lines fit first, but I need 2 more anyway.

Morning mate

No worries! We'll pay them a visit, I'm sure Jeff (the man) will sort us out.

I already have some flexi fuel line and fittings here, so you can have a look.

matey! I reckon for initial running and testing, you should make the inlet plenum as simple as possible.

I have an idea for you, funny enough I was checking this a couple of days ago.

Lets chat

Mazza

 

[carat 3.6]

So the golf injector lines turned up today, I havent yet tried them under the bonnet but it looks like the banjo fittings are smaller than I need.

I'll take a proper look at them on saturday.

 

[mazza]

Hello mate


That distributor looked right at home on the 16V inlet manifold...lol

Now I see what you meant about the lack of space

chat soon
Mazza

 

[carat 3.6]

Quick update,

I've bought a second set of the triumph throttle bodies from ebay, should be here in a few days.

Once they are both fitted to the m104 manifold flange, I can work out how much room I have in the engine bay for the plenum chamber. Looking at these pics with the original manifold, I think things are going to be tight.

 

[carat 3.6]

A quick mockup to see if they clear the water pump, thankfully they just clear.

The tps sensor may prove a problem, if I can get it to work I'll use the triumph sensor. The other set of throttles should be here tomorrow, so I can play some more.

 

[carat 3.6]

The other set of throttles turned up this morning, things look good.

Not much room between the 2 set's, but a gap is a gap...

I was doing some reaserch on throttle bodies with cis injection last night, seems that the vw golf boys have been experimenting too...

 

[carat 3.6]

So I was doing some more reaserch today, and came across a company that builds replicas of the original gullwing 300sl.

The intresting part is that they use a 3.4 litre m104.980 fed by a ke-jetronic setup, along with what they call "cylinder specific ignition timing", which I asume to be some form of megajolt mapable ignition setup. This engine is stated as making 300 din ps, which if I have done my sums correctly works out to about 295bhp.

So that's 23hp up on what a hfm 3.6 amg m104 produce's, not bad for cis injection.

I have sent an email to them asking for more details about engine specs, in order to compare the 2. I'll post it here if I get a reply.

 

[ray_hennig]

So I was doing some more reaserch today, and came across a company that builds replicas of the original gullwing 300sl.

The intresting part is that they use a 3.4 litre m104.980 fed by a ke-jetronic setup, along with what they call "cylinder specific ignition timing", which I asume to be some form of megajolt mapable ignition setup. This engine is stated as making 300 din ps, which if I have done my sums correctly works out to about 295bhp.

So that's 23hp up on what a hfm 3.6 amg m104 produce's, not bad for cis injection.

I have sent an email to them asking for more details about engine specs, in order to compare the 2. I'll post it here if I get a reply.

Who is this company? Where are they?

Sounds like a great setup to rebuild my M104.980 when the time comes.

R

 

[carat 3.6]

Who is this company? Where are they?

Sounds like a great setup to rebuild my M104.980 when the time comes.

R

Hi Ray, this is a link to their website: W196 Streamliner and W196 Gullwing - Streamliner Motors

I think they are based in northampton, but I cant be 100% sure.

I found these videos on youtube: W196 Streamliner@Goodwood&Bruntingthorpe - YouTube and: Streamliner@New Forest - YouTube

 

[carat 3.6]

A little update on things.

I have been looking into the various size's of rubber inlet boot used on the k-jet metering heads, trying to find the perfect one for this conversion. The few that I had already tried are big enough to fit over the v8 M119 air flow meter (105mm) but allways have a much smaller opening coming from the air filter, (normaly about 65mm). Using one of those would have been a compromise, as a large airflow meter needs a large inlet duct to feed it, not a small one.

However, I now have the so called "cobra head" inlet boot from a porsche 924 turbo, this is I think the largest inlet boot ever fitted to cis system that I have come across. It has a duct from the air filter 80mm wide, a 10mm breather hose connection, and can take a monsterous 135mm air flow meter. It is much too big for the m119 air flow meter, so I may use the larger m117 afm, with the m119 fuel metering head fitted on to it.

If the above setup fit's together properly, there may be enough space to keep the air flow meter mounted on the inlet manifold rather than on the inner wing. This would keep the inlet ducting short, and allow me to reuse the mercedes injector pipes.

I'll post a pic when I try to mate the parts together.

 

[carat 3.6]

Hopefully if I find time between now and xmas, I'll do a cardboard mockup of the plenum chamber/inlet runners. Then once I'm happy with that, it will be time to build the real one out of aluminium sheet.

How hard can it be?

 

[mazza]

Hopefully if I find time between now and xmas, I'll do a cardboard mockup of the plenum chamber/inlet runners. Then once I'm happy with that, it will be time to build the real one out of aluminium sheet.

How hard can it be?

Hi mate

Delmonte man says...we need some velocity stacks for best results

tell you all about it

chat soon

 

[carat 3.6]

Hi mate

Delmonte man says...we need some velocity stacks for best results

tell you all about it

chat soon

Hi mate, long time no see.

No worries there, I've got 6 bog roll tubes ready to go!

We'll have a catch up soon.

 

[carat 3.6]

Obviously very rare, and I'm not going to try it, but I wonder what could be done with the injection pump from the old m130 engine?

It does share the same firing order as the m103/4 engines, so could it be used to make a true itb setup like the porshce mfi system? It would allow direct to air throttles, but I dont think it's referenced by engine load. It would only need mounting where the air-con pump should be, and drive could be acheived by a toothed belt from the crank pulley....

 

[guydewdney]

why should the firing order make any difference? just swap over the pipes?

 

[carat 3.6]

why should the firing order make any difference? just swap over the pipes?

It dosent but I'd like the pipe work to run neatly in order, I've got the same fetish for tidy ht leads.

 

[mazza]

Obviously very rare, and I'm not going to try it, but I wonder what could be done with the injection pump from the old m130 engine?

It does share the same firing order as the m103/4 engines, so could it be used to make a true itb setup like the porshce mfi system? It would allow direct to air throttles, but I dont think it's referenced by engine load. It would only need mounting where the air-con pump should be, and drive could be acheived by a toothed belt from the crank pulley....

NICE!!!! A la FAG Kugelfischer...quick way to bankruptcy...he he

and yes mate, it can run via toothed belt

lock it away till project FS..HE HE

cheers

 

[carat 3.6]

NICE!!!! A la FAG Kugelfischer...quick way to bankruptcy...he he

and yes mate, it can run via toothed belt

lock it away till project FS..HE HE

cheers

Ah project FS, or should that be project SFS? We'll talk about that on thursday...

Once Billys coupe is finnished I'll carry on with the card/wood mockup of the manifold, be nice to get this moving again.

Later mate.

 

[carat 3.6]

Skyline throttles and linkages fresh from ebay.



Like I needed another set of itbs to confuse things even further.