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  #61  
Old 12-16-2014, 03:08 PM
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Re: Jeep OM642 CRD Performance Mod's

The engine won't hold to 500 HP. The rods and pistons won't hold that much power. 400 HP would be the top of what a stock engine could handle, but you will be pushing the limit of the stock head bolts. The stock CP3 injection pump won't get you past 350 so unless you have gotten farther than me on using a upgraded CP3 than I wouldn't worry about it. Currently one on makes a turbo to get over 350 HP. I sell a turbo kit to get you to 350 and working on a VGT turbo to get to 400 HP. If you go a non VGT turbo you could go higher, but I don't know of anyone with much experience with tuning those. I have designed a 400+ twin turbo setup, but don't have much time or money to devout to that project. I don't see the engine living that long. The GTB2260VKLR turbo will work, but you need to use a modified mount that goes with that turbo or make your own.
I have played quite a bit with methanol injection and it will had some, but its not going to knock your socks off. I only use if you have run out of fuel and need a tiny bit more to get a small amount of power, I call it a band aid power adder as it just helps mask other areas that need to be addressed.

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  #62  
Old 04-07-2015, 06:27 PM
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Re: Jeep OM642 CRD Performance Mod's

[QUOTE=tnadanzig;682777]I think it’s time we have a thread dedicated to all things performance and improvement modifications for the Jeep OM642 CRD engine. This will be helpful to have all the modifications we have done to improve upon the design, performance, and reliability of the drivetrain in one thread. I am going to start with my rough idea of importance once you buy your CRD. Will reserve several posts to keep this concise and for future improvements. I am going to overlook basic maintenance items because those should be done as per the maintenance schedule available in the owner’s manual. Please post with comments and suggestions.
1st Elephant Hose Mod
Several posts on this mod, I chose a little bit different approach. I used Goodyear 1” heater hose with some PVC hose connectors and stainless hose clamps. I put attached a short piece from the CCV valve to a 90 fitting down the side of the engine a ran along the body seam to the rear of the vehicle to keep any possible amount of gases going into the cab. I ran this setup with my stock intake for a while before I made my intake setup. I machined my own plug for myself and some buddies in town with CRD's. I have a couple extra if anyone wants one $18 shipped.....



Do you still have any of those plugs for sale?
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  #63  
Old 08-27-2015, 01:15 PM
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Re: Jeep OM642 CRD Performance Mod's

yeah still selling the plugs and the intercooler hard pipe delete... aka that intercooler plastic muffler peice.... just wondering venting the pcv to atmosphere under the car what about vapor freezing in the tube causing a blockage in cold temps?
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  #64  
Old 04-07-2017, 06:46 AM
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Re: Jeep OM642 CRD Performance Mod's

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Originally Posted by tnadanzig View Post
The engine won't hold to 500 HP. The rods and pistons won't hold that much power. 400 HP would be the top of what a stock engine could handle, but you will be pushing the limit of the stock head bolts. The stock CP3 injection pump won't get you past 350 so unless you have gotten farther than me on using a upgraded CP3 than I wouldn't worry about it. Currently one on makes a turbo to get over 350 HP. I sell a turbo kit to get you to 350 and working on a VGT turbo to get to 400 HP. If you go a non VGT turbo you could go higher, but I don't know of anyone with much experience with tuning those. I have designed a 400+ twin turbo setup, but don't have much time or money to devout to that project. I don't see the engine living that long. The GTB2260VKLR turbo will work, but you need to use a modified mount that goes with that turbo or make your own.
I have played quite a bit with methanol injection and it will had some, but its not going to knock your socks off. I only use if you have run out of fuel and need a tiny bit more to get a small amount of power, I call it a band aid power adder as it just helps mask other areas that need to be addressed.
After I broke 400Hp and 900nm on my audi 3.0tdi I am picking up this project again.

Could you help me with:
- DAMOS file EDC16 OM642
- 4 bar Map (PNP if possible)
- 2000+ bar rail pressure sender

I ordered the same hybrid for my GC then I use on my audi.
It makes just north of 1400KG of air ( audi 3.0 biturbo only makes 1320 )

How do you make enough fuel for 350? stock CP3?
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  #65  
Old 04-07-2017, 07:00 AM
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Re: Jeep OM642 CRD Performance Mod's

You're back 2fast4yu ?
I thought you sold the jeep?
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  #66  
Old 04-07-2017, 02:45 PM
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Re: Jeep OM642 CRD Performance Mod's

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Originally Posted by crd4me View Post
You're back 2fast4yu ?
I thought you sold the jeep?
No, the guy who was going to buy it couldn't bring up the money. then I used it as a work vehicle on our new company building were it was (ab)used.
Since I still love the car, I had it completely repainted and repaired body wise.
I got it back monday and decided to get back into the game.

I took of the standard brakes today and started fitting the brembo's.
On that subject I am trying to figure out a way to mount them on the standard spindles...

On top of that I read here that there is a 350hp OM642 (which is hard to believe without different MAF and rail pressure senders) the damos I need to figure out the edc16 because I ran into some limiters which are hard to find without
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  #67  
Old 04-13-2017, 10:01 AM
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Re: Jeep OM642 CRD Performance Mod's

What are the limiters your trying to overcome ? Let me know and I'll try my best to point you the right hex address. Presuming you have a partial read ?
I tell you right now there is no SVBL. There are some SVRL though
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  #68  
Old 04-13-2017, 08:18 PM
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Re: Jeep OM642 CRD Performance Mod's

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Originally Posted by crd4me View Post
What are the limiters your trying to overcome ? Let me know and I'll try my best to point you the right hex address. Presuming you have a partial read ?
I tell you right now there is no SVBL. There are some SVRL though
hello, map (i want to use 4 bar from om651) and rail pressure.

We are using winols

big thank you already
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  #69  
Old 04-14-2017, 08:26 AM
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Re: Jeep OM642 CRD Performance Mod's

If you want to use 4 bar map sensor you need to change MAP sensor linearisation map first. It's a 2x1 map @ address 198186 (on partial read).
RailP is at 1EFE1E (16x16).
Who is your tuner? He should know all that!
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Old 04-15-2017, 07:34 AM
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Re: Jeep OM642 CRD Performance Mod's

Quote:
Originally Posted by crd4me View Post
If you want to use 4 bar map sensor you need to change MAP sensor linearisation map first. It's a 2x1 map @ address 198186 (on partial read).
RailP is at 1EFE1E (16x16).
Who is your tuner? He should know all that!
Thanks a lot, I'll get to work with that, my tuner is an amazing guy who's fully into the VAG TDI scene, he's a friend and made the tune and hybrid turbo for my audi. here is a dynosheet of a MACAN that has almost the same hybrid as I have. I didn't dyno with the bigger injectors yet but my numbers should be a little better as I have a build transmission (upgraded plates DSG)

He really does now what he's talking about (and doing) but he really help me with this benz engine because it's me, not because he likes it

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Old 04-15-2017, 09:09 AM
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Re: Jeep OM642 CRD Performance Mod's

Haha I'm on the tdi scene too i have Mk4 tdi with BEW engine. Right now I have small mods on it... basic remap PD100 to 130. DRW gear box (which is awsome by the way) added CrCtl and advanced FIS cluster ....Small world it is

Back to the jeep now, did you do anything with SOI?
You can PM me if you'd like.
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  #72  
Old 04-16-2017, 09:55 AM
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Jeep OM642 CRD Performance Mod's

M8,
I just looked at your file. You have different software version then me, but its ok. I have enough experience locating the maps. Your MAP lin sens is at 198282. (375, 3200). Your railp is 1F45AE (16x16). Railp setpoint is at 1F4274 but you dont need to touch this one for now.
I'm not necessairly a big fan of tuning in such way Nm-IQ map without extrapolation of axis, but every tuner has its way of doing things. Is your turbo stock? You're asking almost 3 bar of boost? Smoke map ok.
IQ wise I like to change axis on map so I reflect the desired values e.g. for boost and rail. Sometime we don't know when ecu extrapolate, I prefer to do the math so I know what I'm getting.
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