STD Tuning Engine OM603 ideas for 300-350hp

OM603 ideas for 300-350hp

OM603 ideas for 300-350hp

 
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Gearbound
In need of a OM606.96x

172
06-26-2014, 11:12 AM #1
So i have been digging around in the threads here and learned about the 603.

-Heads that Crack have the casting number 14,15
- NA splits rods around 400hp depending on turbo size
- 606 rods have been used in 603 because there stronger
-6mm elements can be swapped from 606 to 603 but need calibrated for smooth operation.
-hy35 for mild performance
-hx35 not quite wild
-he351 is VNT or WG. rod bender for NA 603

I had the w123 om617 then sold it, had withdrawls from it and was on a rant for 606 but there to rare and expensive so im looking into a Turbo 603 w124. at some point i want 350hp. I will get an EGT and Boost guage to see how a stock one is tuned and when modified say away from 1200*f

1. what can the stock pump support with a hx35?
2.manual gear box option and clutch?

If its not inline its out of line Tongue
Gearbound
06-26-2014, 11:12 AM #1

So i have been digging around in the threads here and learned about the 603.

-Heads that Crack have the casting number 14,15
- NA splits rods around 400hp depending on turbo size
- 606 rods have been used in 603 because there stronger
-6mm elements can be swapped from 606 to 603 but need calibrated for smooth operation.
-hy35 for mild performance
-hx35 not quite wild
-he351 is VNT or WG. rod bender for NA 603

I had the w123 om617 then sold it, had withdrawls from it and was on a rant for 606 but there to rare and expensive so im looking into a Turbo 603 w124. at some point i want 350hp. I will get an EGT and Boost guage to see how a stock one is tuned and when modified say away from 1200*f

1. what can the stock pump support with a hx35?
2.manual gear box option and clutch?


If its not inline its out of line Tongue

raysorenson
Superturbo

1,162
06-26-2014, 12:19 PM #2
You talking crank or wheel horsepower?
raysorenson
06-26-2014, 12:19 PM #2

You talking crank or wheel horsepower?

Gearbound
In need of a OM606.96x

172
06-26-2014, 12:32 PM #3
Wheel HP

If its not inline its out of line Tongue
Gearbound
06-26-2014, 12:32 PM #3

Wheel HP


If its not inline its out of line Tongue

winmutt
bitbanger

3,468
06-27-2014, 03:14 PM #4
I've got a stock number 14 that has to be pushing 300 or near it. The engines can handle it (or making them so is relatively easy), everything else behind them has to be replaced and is more difficult (imo) to source/plan/execute.

1987 300D Sturmmachine
1991 300D Nearly Perfect
1985 300D Weekend/Camping/Dog car
1974 L508D Motoroam Monarch "NightMare"
OBK #42
winmutt
06-27-2014, 03:14 PM #4

I've got a stock number 14 that has to be pushing 300 or near it. The engines can handle it (or making them so is relatively easy), everything else behind them has to be replaced and is more difficult (imo) to source/plan/execute.


1987 300D Sturmmachine
1991 300D Nearly Perfect
1985 300D Weekend/Camping/Dog car
1974 L508D Motoroam Monarch "NightMare"
OBK #42

mbz123
GT2256V

122
07-01-2014, 10:41 AM #5
(06-26-2014, 11:12 AM)Gearbound So i have been digging around in the threads here and learned about the 603.

WOW, may I take this opportunity to thank you kindly sir. First round is on me.

(06-26-2014, 11:12 AM)Gearbound 1. what can the stock pump support with a hx35?

Nominal, if any, gains to be had here without increasing fuel first. Pushing in more air is just that, pushing in more air.

(06-26-2014, 11:12 AM)Gearbound 2.manual gear box option and clutch?

Oh boy, where to start? I would suggest digging around in the transmission threads next. SHYTE-TON of info to process there and always being added to. Has turned my brain to pudding plenty of times.

Have a 603 myself so interested in what you find. Report back.

MBZ123
mbz123
07-01-2014, 10:41 AM #5

(06-26-2014, 11:12 AM)Gearbound So i have been digging around in the threads here and learned about the 603.

WOW, may I take this opportunity to thank you kindly sir. First round is on me.

(06-26-2014, 11:12 AM)Gearbound 1. what can the stock pump support with a hx35?

Nominal, if any, gains to be had here without increasing fuel first. Pushing in more air is just that, pushing in more air.

(06-26-2014, 11:12 AM)Gearbound 2.manual gear box option and clutch?

Oh boy, where to start? I would suggest digging around in the transmission threads next. SHYTE-TON of info to process there and always being added to. Has turned my brain to pudding plenty of times.

Have a 603 myself so interested in what you find. Report back.

MBZ123

Tito
Holset

354
07-01-2014, 02:55 PM #6
I've got to admit, i'm quite surprised about the 603 NA. I've had it up to max rack travel with stock (bosch, no dieselmeken or something) 7mm elements and hx35w with my redneck trottle (trottle hooked up to the rack Big Grin ) And held up surprisingly well... I still want a dyno run at my job but the clutch is bad. I'm guessing its about 300-350 hp daily driver. Goes easily over 220 km/h (max speed on tacho)
This post was last modified: 07-01-2014, 02:55 PM by Tito.
Tito
07-01-2014, 02:55 PM #6

I've got to admit, i'm quite surprised about the 603 NA. I've had it up to max rack travel with stock (bosch, no dieselmeken or something) 7mm elements and hx35w with my redneck trottle (trottle hooked up to the rack Big Grin ) And held up surprisingly well... I still want a dyno run at my job but the clutch is bad. I'm guessing its about 300-350 hp daily driver. Goes easily over 220 km/h (max speed on tacho)

mbz123
GT2256V

122
07-02-2014, 02:50 AM #7
(07-01-2014, 02:55 PM)Tito ...with stock (bosch, no dieselmeken or something) 7mm elements...

Stock 7mm elements? Stock on what? Not computing, please explain.

MBZ123
mbz123
07-02-2014, 02:50 AM #7

(07-01-2014, 02:55 PM)Tito ...with stock (bosch, no dieselmeken or something) 7mm elements...

Stock 7mm elements? Stock on what? Not computing, please explain.

MBZ123

Tito
Holset

354
07-02-2014, 05:58 AM #8
Stock Bosch elements. So the elements for the m-pump from Bosch. I thought they're fitted on some kind of boat that had 7mm elements. Fitted by a Bosch service point.
Tito
07-02-2014, 05:58 AM #8

Stock Bosch elements. So the elements for the m-pump from Bosch. I thought they're fitted on some kind of boat that had 7mm elements. Fitted by a Bosch service point.

07-02-2014, 06:28 AM #9
Got a part number?

____________________________________

'88 300CD Turbo Coupé - OM603
DiseaselWeasel
07-02-2014, 06:28 AM #9

Got a part number?


____________________________________

'88 300CD Turbo Coupé - OM603

yankneck696
Build it so strong & blow it up good !!!

395
07-02-2014, 09:10 AM #10
For a trans, get an adapter plate & put an AX15 from a Jeep or Dodge product. That should hold well.

Ed
yankneck696
07-02-2014, 09:10 AM #10

For a trans, get an adapter plate & put an AX15 from a Jeep or Dodge product. That should hold well.

Ed

mbz123
GT2256V

122
07-03-2014, 04:14 PM #11
(07-02-2014, 05:58 AM)Tito Stock Bosch elements. So the elements for the m-pump from Bosch. I thought they're fitted on some kind of boat that had 7mm elements. Fitted by a Bosch service point.

Good to know, thx.

MBZ123
mbz123
07-03-2014, 04:14 PM #11

(07-02-2014, 05:58 AM)Tito Stock Bosch elements. So the elements for the m-pump from Bosch. I thought they're fitted on some kind of boat that had 7mm elements. Fitted by a Bosch service point.

Good to know, thx.

MBZ123

Tito
Holset

354
07-03-2014, 04:25 PM #12
(07-02-2014, 06:28 AM)DiseaselWeasel Got a part number?

I'll try to dig true some old photos.... Very busy at the moment...



Edit: i'm sorry, no part numbers.... I have seem them somewhere not to deep in the internet. I thought it was on this forum. But can't find it.... maybe someone can tune in here?
This post was last modified: 07-03-2014, 04:43 PM by Tito.
Tito
07-03-2014, 04:25 PM #12

(07-02-2014, 06:28 AM)DiseaselWeasel Got a part number?

I'll try to dig true some old photos.... Very busy at the moment...



Edit: i'm sorry, no part numbers.... I have seem them somewhere not to deep in the internet. I thought it was on this forum. But can't find it.... maybe someone can tune in here?

Petar
7.5mm M pump

459
07-04-2014, 01:56 PM #13
dieselkontor.de ??? i think it's the old ford transit element but i am not sure
Petar
07-04-2014, 01:56 PM #13

dieselkontor.de ??? i think it's the old ford transit element but i am not sure

07-04-2014, 02:09 PM #14
Sounds like it Smile

Btw. I have a cracked #17 head here Wink

____________________________________

'88 300CD Turbo Coupé - OM603
DiseaselWeasel
07-04-2014, 02:09 PM #14

Sounds like it Smile

Btw. I have a cracked #17 head here Wink


____________________________________

'88 300CD Turbo Coupé - OM603

Tito
Holset

354
07-04-2014, 06:20 PM #15
(07-04-2014, 01:56 PM)Petar dieselkontor.de ??? i think it's the old ford transit element but i am not sure

I didn't order them there. Could be the same elements. However I doubt it. Because they also offer high rpm special surface coated elements. Doesn't seem really stock to me. Maybe they're the one coating the stock bosch elements or something. Also there's no part number on their webshop.
Tito
07-04-2014, 06:20 PM #15

(07-04-2014, 01:56 PM)Petar dieselkontor.de ??? i think it's the old ford transit element but i am not sure

I didn't order them there. Could be the same elements. However I doubt it. Because they also offer high rpm special surface coated elements. Doesn't seem really stock to me. Maybe they're the one coating the stock bosch elements or something. Also there's no part number on their webshop.

mbz123
GT2256V

122
07-06-2014, 09:17 AM #16
(07-04-2014, 02:09 PM)DiseaselWeasel Btw. I have a cracked #17 head here Wink

Anything worthy of a little storytime?

MBZ123
mbz123
07-06-2014, 09:17 AM #16

(07-04-2014, 02:09 PM)DiseaselWeasel Btw. I have a cracked #17 head here Wink

Anything worthy of a little storytime?

MBZ123

07-07-2014, 05:42 AM #17
I don't know the story, I bought it as a spare. But it certainly didn't come off a highly tuned engine Wink Probably just abused like so many...

____________________________________

'88 300CD Turbo Coupé - OM603
DiseaselWeasel
07-07-2014, 05:42 AM #17

I don't know the story, I bought it as a spare. But it certainly didn't come off a highly tuned engine Wink Probably just abused like so many...


____________________________________

'88 300CD Turbo Coupé - OM603

Gearbound
In need of a OM606.96x

172
07-09-2014, 12:27 PM #18
5.5mm IP and hx35 is a useless combination then?
the AX15 or r150 would be a nice set up or r154 in a supra,cressida,3 series,etc...

If its not inline its out of line Tongue
Gearbound
07-09-2014, 12:27 PM #18

5.5mm IP and hx35 is a useless combination then?
the AX15 or r150 would be a nice set up or r154 in a supra,cressida,3 series,etc...


If its not inline its out of line Tongue

winmutt
bitbanger

3,468
07-10-2014, 02:06 PM #19
Even a HX30 and 5.5mm elements would be pretty useless. Without more fuel, these cars are pretty optimally designed already.

1987 300D Sturmmachine
1991 300D Nearly Perfect
1985 300D Weekend/Camping/Dog car
1974 L508D Motoroam Monarch "NightMare"
OBK #42
winmutt
07-10-2014, 02:06 PM #19

Even a HX30 and 5.5mm elements would be pretty useless. Without more fuel, these cars are pretty optimally designed already.


1987 300D Sturmmachine
1991 300D Nearly Perfect
1985 300D Weekend/Camping/Dog car
1974 L508D Motoroam Monarch "NightMare"
OBK #42

Gearbound
In need of a OM606.96x

172
12-07-2014, 12:14 PM #20
anything praticular to look for when in search of a om603 car? numbers on the ip or engine that say its a better revision?

If its not inline its out of line Tongue
Gearbound
12-07-2014, 12:14 PM #20

anything praticular to look for when in search of a om603 car? numbers on the ip or engine that say its a better revision?


If its not inline its out of line Tongue

capflya
Dreaming of a VNT

309
12-08-2014, 05:43 PM #21
The cylinder head casting... higher number the better

Check the coolant res and if it's nasty looking (purple/brown/black ish) the car probably overheated at some point and may or may not have been fixed. There's a detailed w124 buying guide out there but I forget where I saw it. Google w124 buyers guide and you'll probably find it, I think it's from another forum member over at peachparts ? Been awhile since i've referenced it.



'98 E300 Turbo "Juliette" - Brabus wheels and almost all the options a w210 could have
'87 300D Turbo "Roxanne" - #22 head - 400E brakes - EGR Delete - 17" Staggered AMG 5 spoke rims from CLK500 - 5 Spd manual
2007 Chevy 2500HD CCSB Duramax with about 400-500 rwhp depending on the tune I use Big Grin
1983 300D Silver Exterior/Black inside - Sold and will be missed, may we never meet in a PnP.
capflya
12-08-2014, 05:43 PM #21

The cylinder head casting... higher number the better

Check the coolant res and if it's nasty looking (purple/brown/black ish) the car probably overheated at some point and may or may not have been fixed. There's a detailed w124 buying guide out there but I forget where I saw it. Google w124 buyers guide and you'll probably find it, I think it's from another forum member over at peachparts ? Been awhile since i've referenced it.




'98 E300 Turbo "Juliette" - Brabus wheels and almost all the options a w210 could have
'87 300D Turbo "Roxanne" - #22 head - 400E brakes - EGR Delete - 17" Staggered AMG 5 spoke rims from CLK500 - 5 Spd manual
2007 Chevy 2500HD CCSB Duramax with about 400-500 rwhp depending on the tune I use Big Grin
1983 300D Silver Exterior/Black inside - Sold and will be missed, may we never meet in a PnP.

Gearbound
In need of a OM606.96x

172
03-09-2015, 10:13 AM #22
http://www.transmissionadapters.com/Merc...diesel.htm

emailed the folks there and bob here replied quite promptly if i might add

"The kit, once installed, enables you to use all Chev flywheel and clutch parts from 1985 and older 350 engines. Using a T56 however is a bag of worms. The only T56 that will bolt right up to my kit without
modifying it is the one that came from behind LT1 engines.

Bob"

so the th350 and all the other transmissions are up for grabs. Smile l believe i will go this route.

@jeemu

where can i buy 606 rods at? I think this 603 needs 450hp to the wheels Smile

If its not inline its out of line Tongue
Gearbound
03-09-2015, 10:13 AM #22

http://www.transmissionadapters.com/Merc...diesel.htm

emailed the folks there and bob here replied quite promptly if i might add

"The kit, once installed, enables you to use all Chev flywheel and clutch parts from 1985 and older 350 engines. Using a T56 however is a bag of worms. The only T56 that will bolt right up to my kit without
modifying it is the one that came from behind LT1 engines.

Bob"

so the th350 and all the other transmissions are up for grabs. Smile l believe i will go this route.

@jeemu

where can i buy 606 rods at? I think this 603 needs 450hp to the wheels Smile


If its not inline its out of line Tongue

raysorenson
Superturbo

1,162
03-09-2015, 12:20 PM #23
If you use a TH350 and a loose converter, the stock gearing might work out.
raysorenson
03-09-2015, 12:20 PM #23

If you use a TH350 and a loose converter, the stock gearing might work out.

Gearbound
In need of a OM606.96x

172
03-09-2015, 03:19 PM #24
well there is the 700r4 which is a overdrive trans too. then for the techy people the 4l60e and 4l80e. and get a tranmission standalone controller. which could be a flappy paddle gearbox if one was inclinded to have a car like that.

If its not inline its out of line Tongue
Gearbound
03-09-2015, 03:19 PM #24

well there is the 700r4 which is a overdrive trans too. then for the techy people the 4l60e and 4l80e. and get a tranmission standalone controller. which could be a flappy paddle gearbox if one was inclinded to have a car like that.


If its not inline its out of line Tongue

 
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