I almost bought that head while it was a unfinnished project

 

I have the recipe for the block now..

So I guess it would be time to start looking at doing someone new..

 

What does your wife think of that.:haha:

 

I found info on this a year or two ago but after Chrome got reset a couple of times I lost the links. I will post if I find the page again.

 

Seems many have done it.. but dam if I can find any thread or page with the info online.

But no direct "How to", or as I have learned the last 2 years.. nothing telling you the "Not to do" or "Watch out for this" or "Don't forget this"

I know I have a shop that can do the modification and has the skills to fabricate or weld anything I need.

The REAL question, is how much work is it really overall ? What parts can you or can you not use ?

Do you have to go with the horns like shown ? Could you modify the factory intake ? Etc.. etc.. etc..

As I have a disassembled C30SE coming over, I am sure someone will want to know, and if I don't get someone that wants to do it, I may do it for myself.

Etc...etc....etc

Go in Manta world here just now

CiH 16V Winter 2007

Or here a allready done head for sell in barter!

https://www.tuning-beimel.de/produktkatalog/opel-zylinderkopfteile-cih/zylinderkopf-cih-24v-gek%C3%BCrzt-auf-16v-detail

 

Cool..!! Now to open Google Translate..

 

I been drooling over those motors for many years

info is sort of like the old roller cam/roller lifter project

I thought this info was pretty interesting

https://www.youtube.com/watch?v=EL5zDemyt6A


Gil gave me a ride in his car back in the day and it was pretty awesome

I have parts to build a well over 200hp Toyota 4AG but it would sure suck
to go traitor with a non-Opel engine

my first question would be how in the world would you even get a head/motor in the first place

 

I wonder if that cast iron header would fit the GT. It has the Opel Blitz cast into it so did Opel make a 4 cylinder version?

The engine in Gil's car is an original 400, but I am sure the experience would be the same. I am also torn between staying in the family or turning Japanese, Genesis 2.0T with 275hp.

 

There is ONLY ONE competent source for these engines or parts in Germany.

Risse Motorsport: Aktive Erfahrung aus dem Motorsport für Ihren Opel! - 24V 4-Zyl.

Dieter

 

For the small wallet:yup:

Click on "Bilder" for more pictures

Opel CIH/16V mit Zahnriementrieb - Rennsportteile - MotorsportMarkt.de

 

I like the belt drive because I read there are issues with the chain drive parts. I had thought of that to be able to use a Volvo head. However the required changes to the oiling system and water pump would be complex and expensive. Nothing that couldn't be overcome.

 

One Name stay for all of this DOHC engines

Cosworth Engines

 

That's a very nice, clean, install!

:yup:

 

Gil's GT

Opel GT Source

 

Watch a billet crank being made

 

Watch a billet crank being made

[

I saw that video before but had to watch it again it's so hypnotizing. There is another one of a crank for an ocean liner, that is very impressive.

 

another video

 

I have my 24v motor apart right now and compared the head and timing chain cover to the CIH's. (BTW, I have not looked at the links above)

Issues quickly noticed:

1. Oil delivery to head
   24v uses a completely different system and passages
2. Timing cover
   24v mounting holes are different as is the oil passage.
3. Head gasket
   Cooling passages are different and a couple of head bolt holes do not line up.
4. Distributer
   The 24v dizzy is needed to drive the oil pump

 

Gary, all the modifications are well documented to convert the 4 cylinder block. Since you have the engine apart, inspect the timing chain guides as they are a known problem. If they are cracked, replace them. They are no longer serviced by Opel (for years). Risse is the only ones to have both guides that I found, and the kit is 964 Euros. Similar kits for other engines are typically less than 200.

Risse Motorsport: Aktive Erfahrung aus dem Motorsport für Ihren Opel! - Steuerteile Nockenwellen Steuerteile Nockenwellen N611702

 

Yikes. I just looked at the conversion project
link. Detailed nicely but it probably would be easier and cheaper to get a 16v motor and tranny for what you would gain...

 

never mind

 

If there is anything you need that I can try to get let me know.

I promised a full kit of everything.

When the Senator gets here it will have the Dizzy that was missing, and Rav thinks he found a useable set of used pads in the trunk for you.

If you find there are parts from some other motor that we can get in europe to help let me know.

Also we will have a second one of these sets coming over ( without the guides.. ) if someone else is wanting to take the challenge themselves.

 

When the Senator gets here it will have the Dizzy that was missing, and Rav thinks he found a useable set of used pads in the trunk for you.

The dizzy will also need to be modified to go from 6 cyl to 4 cyl....

My wagon with the rebuilt 24v is up and running. I did prime the secondary tensioner and fill the pump, filter and oil cooler before turning it over with the plugs out to prime the whole system.

 

sounds good thanks

I am still studying
I don't think the 6 cyl dist is needed
but I am out of 4 Cyl CIH front covers

I received a Vauxhall, Carlton & Senator Haynes repair manual a few days ago (that's where I got the info on priming the tensioner and the stock oil pressure)

one thing to note the heads have some pretty big valves stock (might explain there high HP potential)

intake valves 37.4 mm exhaust 30.5

I also sent a message to Risse Motorsports but received no response

David

 

sounds good thanks

I am still studying
I don't thing the 6 cyl dist is needed
but I am out of 4 Cyl CIH front covers

I received a Vauxhall, Carlton & Senator Haynes repair manual a few days ago (that's where I got the info on priming the tensioner and the stock oil pressure)

one thing to note the heads have some pretty big valves stock (might explain there high HP potential)

intake valves 37.4 mm exhaust 30.5

I also sent a message to Risse Motorsports but received no response

David

Big Valves you say..? ( 41mm and 48mm ) But on a 8V head

Let me know I probably have a spare or two or three

Norbert's link to the thread showing this modification was an eye opener. It is huge and expensive project.
Using my basic knowledge of German, I translated the main part, set it up in a more logical order and formatted it as a PDF file. Enjoy.

Curious if he ever finished... noticed the directions stop at page 11.

 

Norbert's link to the thread showing this modification was an eye opener. It is huge and expensive project.
Using my basic knowledge of German, I translated the main part, set it up in a more logical order and formatted it as a PDF file. Enjoy.

 

thanks been studying that build and your translation clears up a few questions

I also been looking at this one

https://www.garaget.org/forum/viewtopic.php?id=307898

they seem to say you need to use the 4 Cyl timing cover since the hole where the crank comes out is larger on the 6cyl

edit: I got this wrong the 6 cyl cover is smaller

edit: info on a 3.0 24v race motor (DTM)

https://translate.google.com/transl...ate?hl=en&sl=de&u=http://www.kadett-c-limo.de/index.php?Seite=c30se&prev=search

even has PV diagram area chart

 

Picture i found

Biggest issues:
Oil routing, where will it enter the head AND will it go...different solution for different aims
Be sure to check it really careful, also possible points where it could mix up with water.

Water passes, the headgasket will tell you ways

Cam journal straightness after cutting and welding!!!!!

Cams custom billet

Nothing NASA technology...only things wich are done 40 years ago also.
But you have to be prepared for problems.

 

I think one is a double roller timing chain and one is not

I did see a company in China that offers to make the tensioners

https://hzocean.en.alibaba.com/prod...l_Omega_A_1987_1993_Vauxhall_Senator_B_1988_1994_TIMING_CHAIN_KIT_90352331.html

also you might be able to make some using a 3D printer

 

I think one is a double roller timing chain and one is not

Correct. I was referring to using the single chain with the double chain guides and tensioner. Edelschmiede is selling the straight 24v guides and had the curved ones made but the quality was not good so they are looking for another vendor. Those guides are so critical. I would (and did) not trust an off-brand aftermarket. I was able to find a GM set for my motor.

 

I don't even have one to take down to autozone and compare it to something out of a Honda or something like that

you didn't happen to make a trace of the one you had or compare it to a Opel CIH one to see if the angle was close?

 

Are you talking about the 24v guides? I did some research for crossing them and bought one from a Nissan that wasn't even close... I do have the old 24v guides.

The straight guide bolts to the block and upper end has a "U" that fits into a pin on the head. The curved one pivots off of a pin attached to the block and the tensioner is in the head. It might be easier to use the 8v guides and cover. (the bolt holes on the right side of the 24v are different)

 

do you want to sell your used guides?

also a Honda K20 guide looks interesting

 

Could not be done with the 8V tensioner.
As these engines have plenty problems with chain vibration i would always go the way for a long guide.

Mounting the guide is an overlooked an overengineered task often.
A simple hole with tap on the right position in the block face with a manufactured and insertet bolt works very well.

Regards

 

Good to know. Thank you Rene.

 

found a video of one of these engines in a GT

seems every time I see a video of a CIH 16V its in a Kadett C

https://www.youtube.com/watch?v=4NKiZSjKjkA

 

Because the very few 4 cyl versions that were made went into Kadett Cs

 

Although there was one T-car derivative you could buy with a road-legal 16V engine, the Vauxhall Chevette HS.
Classic Vauxhall Chevette cars for sale | Classic and Performance Car Too bad they were made in such small numbers compared to 16S/20E and 20EH equipped Kadetts. Sorry for OT.