MyE28.com

DieselBoost wrote:My m21 head is welded up fully... it was cracked from every place...

good way to weld those is
1. open those cracks fully with grinder
2. then heat up the head
3. weld it
4. heat up again
5. very slow cooling

Hmm I need more info on this.

How hot do you heat the head?
Do you weld it hot?
Do you allow it to cool fully before heating it up again?

I had this idea using a home oven but I had not heard of this technique before. Heating, welding in 10 minute "bursts" to keep the head from cooling too much and putting it back in the oven so each weld is done while the head is hot. Then putting it in the oven and turning the temperature down every hour and allowing it to cool overnight inside the oven, maybe with some bricks inside to retain heat.

my head is made by professional welder who has experience of many years...

he has somekind industrial oven... and yes he weld it when it is hot...

Here is the link for the radio http://loudcaster.com/channels/676-harder-fi

If you were in the belief that mb:s, vw:s and bmw:s are only powerful diesels in finland... you were wrong...

Yes this is british YORK diesel ford transit mk2

http://youtu.be/yWhrCILMIdo

Hi,

did i remember correctly, when i say that you have sheduled to make a dyno in oktober?

Best Regards
Alleslowbuged

P.S. I did not found any shop for welding my AAZ cylinderhead, so i have tried to solder the crack. For soldering i have to get a temperature of min. 400°C, but even with preheating to hole cylinderhead up to 280°C and using two propan burner (each with flame temperature of 1900°C) i could not reach necessary temperature. By trying to solder i have open the crack, which is now a hole (appr. 7mm x 5mm).

I now look for a "new" AAZ cylinderhead, if any wand to sell one for a reasonable price please contact me.

Here is the crack:





Here is preheating (4,5 kW)







Here is the hole:

interesting operation

no dyno yet... that dynoday was too early for my car...

but i will go to dyno soon only with my car.... not some dyno day event....

Hi,

is your car allready running again and do you use a camshaft from a 524 na?

Best Regards

i been little bit lazy... and nothing is happened in garage... but maybe next weekend i will do something for that...

i has new job, so it takes some time...

Hi,

just as short notice, i have soldered the hole in the exhaust port, and restart the engine yesterday. It seems to be sealed.

Best regards

So how did you fix it? That look like a difficult problem to solve, I would like to know how to deal with stuff like that. Thanks.

Hi,

it is a bit to early, to realy say that it is fixed, but there was no leakage during warm up with closed expansion tank.

Here can you find some details from my first try, the second was nearly the same.

http://www.vwdiesel.net/forum/index.php?topic=24407.60

Best Regards

Hi,

i have finish the first 200km with the soldered head and have allready seen 30 psi (for short moment) without any problem yet.

As i wrote deatils to the repair can be found in the link.

Best Regards

Soon... very soon...

we are waiting .....

Hi,

the year is over, some news from Finland?

Best Regards
Alleslowbuged

P.S.
After the f..cking turbo adapter (buyed one) cracked second time, i got a new exhaust manifold and could bring the Golf on the road again last weeken. Yesterday was dyno day:

It looks that you need more RPM for your engine...

nothing special in here.... due to my new job im starting older projects like my lada vaz 2101 turbo project and soon i will finish my 524td...

btw i work in muscle car performance shop today as mechanic

DieselBoost wrote:It looks that you need more RPM for your engine...

nothing special in here.... due to my new job im starting older projects like my lada vaz 2101 turbo project and soon i will finish my 524td...

btw i work in muscle car performance shop today as mechanic

this sounds like a job wich can make fun...

The advanced timing of my AAZ pump is not working properly, i gets only a maximum internal pressure of 6,0 bar, so the advanced timing is just working proper up to ~3400 rpm. And yes more rpm would be good, can you suggest a "safe" redline for AAZ engines?

Best Regards
Alleslowbuged

damn my friend is offline... he know how much aaz can take rpm
he has 200kw 1.9td vento...

and yes my job doesnt feel like a job... it is like a hobby

Is your friend AKI ?

Alleslowbuged wrote:Is your friend AKI ?

yep

Hi,

would be realy nice if you could ask him for me.

Best Regards

My car is in garage now... it was a quite job getting it back to in...
i can describe it as a fridge...

there is -18c outside last winter when we where workin outside... there was -28c!

Start motor is on the place... next electrics... and im totally forgotten how all was... so must look to the photo archive....
my 524 is difficult because it is former gas car and some old wires are still on place...

good news... my "war horse" vw vento 1.9td is on the road again...

Hi,

good to hear that you get some progress done.

Did you have some more details regarding your "war horse"


Best Regards
Alleslowbuged

Alleslowbuged wrote: Did you have some more details regarding your "war horse"

Vw Vento 97 (eko-td) 75hp

car is totally stock but i turned injection screw little bit... about 1 full turn + fuel pin is modified

now it is quite good car for daily driving... not anymore lazy crap...

next weekend i will put mp3 cd player (panasonic) and
Alpine speakers to front doors... + old 10" mgr f-series subwoofer... with small kenwood amplifier

it is quite funny that in first time in my life, im putting some hifi stuff to my car there is even no radio in my bmw or lada

Hi,

i also just had tuned my hifi equipment in the Golf MKII, i found a adapter cassete to show egt's (';)') :




Greets
Alleslowbuged

P.S.
Here is small full acceleration video in third gear:

Incredible... i was on ice track today... temperature was -34c !!!
no one complained about cold weather... everybody where happy!!!

524td of my friend shooted up from that temperature without block heater... that was something furious

i will upload some videos from track day... in one video the driver was a 10yrs old boy!!! and first time ever in ice track with spike tyres... i can only describe as a talented driver

yeah vids' would be fine

http://youtu.be/lKQDB4yhA8A

And here it is...

Hi...

I posted few new pics about my second exhaust manifold in eye candy section...