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+--- Thread: OM603 Turbo (/showthread.php?tid=6856)
OM603 Turbo - Whatever - 11-03-2015
Hi i recently got w124 with a om603 turbo and i was wondering if there are any turbos that i could swap on it without changing anything that comes stock on the engine. Im not looking for much just a little more power then stock and something that spools pretty quickly since its mostly just a daily driver. Thanks
RE: OM603 Turbo - raysorenson - 11-04-2015
If you have the trap ox delete exhaust manifold, pretty much no.
RE: OM603 Turbo - Whatever - 11-05-2015
(11-04-2015, 06:01 PM)raysorenson If you have the trap ox delete exhaust manifold, pretty much no.
Is there anyway i can find out, its a 1990 and its from japan if that has any significance. or do they come stock with them.
RE: OM603 Turbo - awsrock - 11-05-2015
A 55 trim T3 from a 350sd will swap right in.
I just put an HX30 in my car with trap ox manifold, it was a real pain to get in but it fits, just need to make an adapter to the exhaust
RE: OM603 Turbo - awsrock - 11-05-2015
Ps, I have a w126 so may not work for you, but there really isn't a lot of side room in my car due to spring perch. I can't even get the euro manifold to fit with a turbo attached
RE: OM603 Turbo - raysorenson - 11-05-2015
If your manifold looks like this, then you have the trap ox delete manifold.
![[Image: 7007691_No%20trap%20ox.jpg]](http://www.mbca.org/sites/default/files/7007691_No%20trap%20ox.jpg)
If it doesn't then you have a lot of T3 flange options
RE: OM603 Turbo - Whatever - 11-05-2015
(11-05-2015, 09:19 AM)raysorenson If your manifold looks like this, then you have the trap ox delete manifold.Well good news it doesn't. Does this mean pretty much any t3 flange turbo can fit on?
If it doesn't then you have a lot of T3 flange options
RE: OM603 Turbo - raysorenson - 11-05-2015
Yes, as long as there's clearance between the frame rail and the manifold. Congrats:-)
RE: OM603 Turbo - Whatever - 11-06-2015
(11-05-2015, 09:21 PM)raysorenson Yes, as long as there's clearance between the frame rail and the manifold. Congrats:-)
Are there any turbos you could recommend. Like i said im just looking for a bit more power then stock and something that spools pretty quickly.
RE: OM603 Turbo - Whatever - 11-09-2015
(11-05-2015, 08:12 AM)awsrock A 55 trim T3 from a 350sd will swap right in.
I just put an HX30 in my car with trap ox manifold, it was a real pain to get in but it fits, just need to make an adapter to the exhaust
So do you think a hx30 would be good for what im looking for, and do you need a better pump or anything else except for the exhaust adapter.
RE: OM603 Turbo - raysorenson - 11-10-2015
I think you'll be much happier with a 90cc 7.5mm pump on an otherwise stock motor than with any turbo upgrade using a stock pump.
RE: OM603 Turbo - barrote - 11-10-2015
mr ray thats is very well said,
first the fuel then u can start thinking of ugrading the turbo....
but unfortunatly people tend to think otherwise....
regards
RE: OM603 Turbo - Whatever - 11-10-2015
(11-10-2015, 08:29 AM)raysorenson I think you'll be much happier with a 90cc 7.5mm pump on an otherwise stock motor than with any turbo upgrade using a stock pump.
Wow never thought of it that way thanks. I know you can get pumps at dieselpumpuk but are there any other places you can buy them maybe for cheaper.
RE: OM603 Turbo - awsrock - 11-10-2015
The best you'll get from a new turbo with the stock pump is a different power curve, maybe like 5 hp from a better flowing turbine and cooler egts, but with stock fuel it probably makes little difference. I can say the HX30 is making more power down low for sure, but I mostly did it for future upgrades / for fun. Cost wise, yeah, a new pump will have the biggest effect by far, you just need to keep an eye on EGTs if you are going to run the stock turbo- they are only good up to 18-20 psi. Not sure what dieselpumpuk costs, but dieselmeken is probably the biggest supplier. I think DPUK might use his pumps / elements. Also, Ray got his from Diesel Injection Systems in California which is an "approved" dieselmeken shop in the US - might save some money on imports / shipping. Price is pretty close though between the two.