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Can`t choose between 603\606.
AzeN Offline
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#1
Can`t choose between 603\606.
Hello there guys, i cant choose engine, which i should use in my project, om606 or om603, turbo. Am i right, that om603 have no ECU, so it will less electrical problems with it? What about durability of om603 and om606, which one is better in this? I want to have about 200hp and 400 n/m torque. So, what engine should i use to get it with less problems? I dont want to have any sensors problems, any check engine light. Just want an engine, which will work without troubles a long time Smile
Cheers.
10-10-2013, 01:54 PM
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willbhere4u Offline
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#2
RE: Can`t choose between 603\606.
An om606 with a custom om603 injection pump is the best it will make the most power with out electronics
1987 300SDL 6spd manualĀ om606.962 swap project
1985 300td euro 5spd wagon running
10-10-2013, 02:18 PM
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AzeN Offline
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#3
RE: Can`t choose between 603\606.
(10-10-2013, 02:18 PM)willbhere4u Wrote: An om606 with a custom om603 injection pump is the best it will make the most power with out electronics

Does it mean, that om606 doesn`t have ecu?
And what about troubles with sensors? it seems to me, that 606 have more sensors. And im afraid of EGR.
10-10-2013, 03:22 PM
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willbhere4u Offline
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#4
RE: Can`t choose between 603\606.
Both om606 and om603 should have EGR but it can be blocked off. The only thing the computer controlled was the injection pump. if you use the mechanical pump off an om603 the om606 will run with out the sensors.

The om603 turbo also had a computer and airflow meter to adjust idle but that can be removed and the idle can be manually set
1987 300SDL 6spd manualĀ om606.962 swap project
1985 300td euro 5spd wagon running
10-10-2013, 03:28 PM
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AzeN Offline
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#5
RE: Can`t choose between 603\606.
(10-10-2013, 03:28 PM)willbhere4u Wrote: Both om606 and om603 should have EGR but it can be blocked off. The only thing the computer controlled was the injection pump. if you use the mechanical pump off an om603 the om606 will run with out the sensors.

The om603 turbo also had a computer and airflow meter to adjust idle but that can be removed and the idle can be manually set

So which pump should i use? How can i adjust the pump to get more fuel, if i want to have 200hp and 400n/m torque? I don`t have experience with diesel motors at all, and with diesel pumps too.
(This post was last modified: 10-10-2013, 04:36 PM by AzeN.)
10-10-2013, 03:39 PM
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aaa Offline
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#6
RE: Can`t choose between 603\606.
What kind of vehicle is this going in?
10-10-2013, 07:30 PM
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AzeN Offline
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#7
RE: Can`t choose between 603\606.
Fullsize sedan, like mercedes e-klasse, russian car, calls "volga" Smile
10-11-2013, 12:42 AM
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aaa Offline
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#8
RE: Can`t choose between 603\606.
I would recommend a custom 603 pump. You will need at least 6mm elements which are not available on the non-electronic pumps, so you can get 603 pump modified for larger elements.
10-11-2013, 12:10 PM
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AzeN Offline
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#9
RE: Can`t choose between 603\606.
(10-11-2013, 12:10 PM)aaa Wrote: I would recommend a custom 603 pump. You will need at least 6mm elements which are not available on the non-electronic pumps, so you can get 603 pump modified for larger elements.
Where can i find such elements? Here, in Russia, its not popular at all, so i dont have any ideas where can i find such things.
10-11-2013, 04:25 PM
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Tito Offline
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#10
RE: Can`t choose between 603\606.
If you get a om606.962 engine, the 6mm elements are already in the pump. You can switch those elements into the mechanical om603 pump
10-11-2013, 04:50 PM
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AzeN Offline
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#11
RE: Can`t choose between 603\606.
(10-11-2013, 04:50 PM)Tito Wrote: If you get a om606.962 engine, the 6mm elements are already in the pump. You can switch those elements into the mechanical om603 pump
Ok, its clear.
If i have 606.962, next step to get 200hp will be hx35, am i right?
10-12-2013, 11:48 AM
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Tito Offline
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#12
RE: Can`t choose between 603\606.
Well, I just drove my car for the first time around town, It's a om603.912 with a HX35w and a 7mm pump. Running at 0.8 bar. I'm amazed how fast it is. I have the stock exhaust at the moment so i'm keeping it at a low boost for the moment. Smoke is really bad. It needs boost bad. So i think a hx35 is a little too big. I also don't know how the 6mm feeds the turbo. But if the 6mm pump can power a hx35 go for it. It's also nice for future mod's up to 300 hp if you want that. I can tell you, once you driven a high power diesel you want more and more. Big Grin

I love the Volga's by the way. Sounds cool that you want to build a 606 in it. Keep us updated on that.
(This post was last modified: 10-12-2013, 12:12 PM by Tito.)
10-12-2013, 12:10 PM
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AzeN Offline
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#13
RE: Can`t choose between 603\606.
(10-12-2013, 12:10 PM)Tito Wrote: Well, I just drove my car for the first time around town, It's a om603.912 with a HX35w and a 7mm pump. Running at 0.8 bar. I'm amazed how fast it is. I have the stock exhaust at the moment so i'm keeping it at a low boost for the moment. Smoke is really bad. It needs boost bad. So i think a hx35 is a little too big. I also don't know how the 6mm feeds the turbo. But if the 6mm pump can power a hx35 go for it. It's also nice for future mod's up to 300 hp if you want that. I can tell you, once you driven a high power diesel you want more and more. Big Grin

I love the Volga's by the way. Sounds cool that you want to build a 606 in it. Keep us updated on that.
Ok, i will Smile
But before starting engine replacement a want to know all features of this engine and all troubles, which i can get with it. I hope you guys will help such newbie like me in this Smile
10-12-2013, 12:58 PM
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