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Search: Posts Made By: tnadanzig
Forum: Export & Diesel Powered Jeep Models 04-19-2014, 09:21 PM
Replies: 42
Views: 14,736
Posted By tnadanzig
Re: Jeep OM642 CRD Performance Mod's

No problem. Let me know if you have any questions.
Forum: Export & Diesel Powered Jeep Models 04-18-2014, 10:44 AM
Replies: 42
Views: 14,736
Posted By tnadanzig
Re: Jeep OM642 CRD Performance Mod's

Hello, PM sent, but for all to see. I've had the best luck with 27x12x3 with 2.5" ends. These fit the best with a healthy improvement in air flow.
Forum: Diesel Powered WK Grand Cherokee 04-09-2014, 11:34 AM
Replies: 2
Views: 242
Posted By tnadanzig
Re: Coolant leak

It could be the water pump or a couple other things. Need bit more info. The EGR Cooler is in the V of the engine and could drop coolant in that area. The thermostat and intake manifolds could drop...
Forum: Export & Diesel Powered Jeep Models 04-09-2014, 11:28 AM
Replies: 42
Views: 14,736
Posted By tnadanzig
Re: Jeep OM642 CRD Performance Mod's

I am at the same power level ~ 650Nm and I haven't had any issues. I even pull a car trailer with mine from time to time and have never had any issues. I don't baby mine at all and the transmission...
Forum: Export & Diesel Powered Jeep Models 04-07-2014, 09:24 AM
Replies: 42
Views: 14,736
Posted By tnadanzig
Re: Jeep OM642 CRD Performance Mod's

Because these transmissions can hold a bit more torque than what they are rated at.
Forum: Diesel Powered WK Grand Cherokee 01-17-2014, 01:08 PM
Replies: 5
Views: 785
Posted By tnadanzig
Re: Speedometer Calibration with 3.0 CRD

I use AutoEnginuity software to change the speedometer calibration on my CRD.
Forum: Export & Diesel Powered Jeep Models 12-04-2013, 11:24 AM
Replies: 3
Views: 737
Posted By tnadanzig
Re: Rust proofing

I do my own coating of the undercarriage. I make sure I don't clog up drain holes. But there really isn't many on the undercarriage. I also do a good undercoating in the door jambs and places that...
Forum: Export & Diesel Powered Jeep Models 10-31-2013, 01:46 PM
Replies: 26
Views: 3,746
Posted By tnadanzig
Re: Potential diesel buyers beware this is a post from a Jeep grand Cherokee lover

James, I appreciate your experience and view point. However, I have a totally different experience. I currently own two Jeep WK CRD's for several years now and I have never had any issues with...
Forum: Export & Diesel Powered Jeep Models 10-17-2013, 01:14 PM
Replies: 42
Views: 14,736
Posted By tnadanzig
Re: Jeep OM642 CRD Performance Mod's

Sorry, haven't had much time to get on the forum's with work and two young ones. I don't have a service manual in PDF. I bought the actual book manual. But I thought someone on here had one. I found...
Forum: Export & Diesel Powered Jeep Models 10-01-2013, 02:56 PM
Replies: 13
Views: 1,543
Posted By tnadanzig
Re: running off road diesel

In my area the off road diesel is about 500 ppm for sulfur. If you remove all the DPF filter you should be fine. The only reason you can't run it is the DPF filter. The cats should be able to handle...
Forum: Export & Diesel Powered Jeep Models 10-01-2013, 02:51 PM
Replies: 42
Views: 14,736
Posted By tnadanzig
Re: Jeep OM642 CRD Performance Mod's

I am not sure what can be done to keep it from downshifting except setting up a custom dyno tune to allow it to stay in fourth gear. Manually selecting the gear only works so well.


Not a lot...
Forum: Export & Diesel Powered Jeep Models 09-17-2013, 10:30 AM
Replies: 42
Views: 14,736
Posted By tnadanzig
Re: Jeep OM642 CRD Performance Mod's

Some pictures
New adapter to replace the old intercooler hose outlet.
http://i764.photobucket.com/albums/xx287/steeltech65/PC231520_zpsc0fe9ade.jpg...
Forum: Suspension/Brakes/Wheels/Tires 09-16-2013, 10:41 PM
Replies: 15
Views: 580
Posted By tnadanzig
Re: lowering a 2007 CRD Limited

The commander rear sway is the same as the srt8 rear sway. You can get those pretty cheap at the salvage yards. Sways help a lot with better handling. What do you want to improve? The shocks and...
Forum: Export & Diesel Powered Jeep Models 09-16-2013, 09:49 PM
Replies: 42
Views: 14,736
Posted By tnadanzig
Re: Jeep OM642 CRD Performance Mod's

Haven't been on in awhile. The intercooler has been fit up for about a year now. The performance of the new intercooler is awesome. It's almost better of a mod than a good tune with dpf delete. I...
Forum: Export & Diesel Powered Jeep Models 10-01-2012, 11:49 AM
Replies: 42
Views: 14,736
Posted By tnadanzig
Re: Jeep OM642 CRD Performance Mod's

Post a picture when you get one. PM me if you have problems posting and I can post.
Forum: Export & Diesel Powered Jeep Models 10-01-2012, 11:45 AM
Replies: 4
Views: 2,121
Posted By tnadanzig
Re: 2007 3.0l crd

I would leave egr and swirl motor bypassed. You could leave the egr and swirl motor connectors off and put in a 4.7K resistor in the center two pins and this will not cause any real issues except an...
Forum: Export & Diesel Powered Jeep Models 09-27-2012, 10:05 PM
Replies: 42
Views: 14,736
Posted By tnadanzig
Re: Jeep OM642 CRD Performance Mod's

Thanks. Still got a long way to go. The kidney resonator is right in front of the engine behind the radiator. It's in all OM642 WK CRD's. Look right under the upper radiator hose.
When upgrading...
Forum: Export & Diesel Powered Jeep Models 09-27-2012, 10:02 PM
Replies: 3
Views: 535
Posted By tnadanzig
Re: P2149 code

I have not had that problem before, but from the service manual. Its.
Fuel Injector Group 2 supply voltage open circuit.
You have a fuel injector with high or open resistance or a bad ECM. The...
Forum: Performance Modifications 09-18-2012, 08:43 PM
Replies: 1
Views: 1,684
Posted By tnadanzig
Re: 3.0 L V6 CRD - Performance Parts Help

Who did you use for tuning chip? Nothing out there for intake mods except what I have done with my crd jeep. Check out my performance mod thread in the diesel section. I welded up an aluminum intake...
Forum: Export & Diesel Powered Jeep Models 09-12-2012, 03:29 PM
Replies: 42
Views: 14,736
Posted By tnadanzig
Re: Jeep OM642 CRD Performance Mod's

Received new Intercooler
http://i764.photobucket.com/albums/xx287/steeltech65/P8271153.jpg
Forum: Export & Diesel Powered Jeep Models 09-12-2012, 03:28 PM
Replies: 42
Views: 14,736
Posted By tnadanzig
Re: Jeep OM642 CRD Performance Mod's

Throttle Body Delete
Small update, I have been running the intake throttle without the throttle blade for a couple of weeks. No DTC's and its fun watching AutoEnginuity and seeing the % open value...
Forum: Export & Diesel Powered Jeep Models 09-12-2012, 03:28 PM
Replies: 42
Views: 14,736
Posted By tnadanzig
Re: Jeep OM642 CRD Performance Mod's

Methanol Injection
Running a Devil's Own Progressive Methanol Injection system. I wanted to install the system close to the injection location and I didn't want it inside the vehicle so I decided to...
Forum: Export & Diesel Powered Jeep Models 09-12-2012, 03:27 PM
Replies: 42
Views: 14,736
Posted By tnadanzig
Re: Jeep OM642 CRD Performance Mod's

Intake system upgrade, the stock intake system does not leave much in the way for performance. It basically fits the under the plastic engine cover and provides air to the turbo. The plastic engine...
Forum: Export & Diesel Powered Jeep Models 09-12-2012, 03:27 PM
Replies: 42
Views: 14,736
Posted By tnadanzig
Re: Jeep OM642 CRD Performance Mod's

One big restriction in the intercooler plumbing is the turbo resonator. It is a kidney bean shaped component with hundreds of perforated holes to reduce noise from the turbo. It really just reduces...
Forum: Export & Diesel Powered Jeep Models 09-12-2012, 03:26 PM
Replies: 42
Views: 14,736
Posted By tnadanzig
Re: Jeep OM642 CRD Performance Mod's

The exhaust system is roughly a 2.75" OD exhaust system with two catalytic converts, one DPF filter, and one pass through resonator at the rear. The biggest restriction is the DPF Filter. This needs...
Forum: Export & Diesel Powered Jeep Models 09-12-2012, 03:26 PM
Replies: 42
Views: 14,736
Posted By tnadanzig
Re: Jeep OM642 CRD Performance Mod's

Tuning. There are several tuning companies out there with good tunes. Custom Spooling, GDE, Inmotion, Stormtech, and others. I don't have experience with them all so I can't really say which ones is...
Forum: Export & Diesel Powered Jeep Models 09-12-2012, 03:19 PM
Replies: 42
Views: 14,736
Posted By tnadanzig
Re: Jeep OM642 CRD Performance Mod's

Reserved 4.7K resistor mod for swirl motor issues. This mod is to jumper out the swirl motor if or before it fails. You need to get a ~ 4.7K ohm resistor in install it in pins red/green and grey....
Forum: Export & Diesel Powered Jeep Models 09-12-2012, 03:19 PM
Replies: 42
Views: 14,736
Posted By tnadanzig
Jeep OM642 CRD Performance Mod's

I think itís 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...
Forum: Diesel Powered WK Grand Cherokee 09-11-2012, 08:30 PM
Replies: 20
Views: 2,971
Posted By tnadanzig
Re: New to Diesels

The mass airflow sensor is right after the intake filter. The heater on the ccv is to keep the ccv gases from freezing in the winter. I have never had a problem with freezing and my ehm is probably...
Forum: Export & Diesel Powered Jeep Models 09-03-2012, 12:48 PM
Replies: 9
Views: 1,395
Posted By tnadanzig
Re: Mileage and Air-Intake

Thanks, getting rid of CCV gases is mod # 1 on the CRD.
Some cutting and grinding. I joined the aluminum pipe to the turbo outlet pipe with a silicone reducer. I joined to the intercooler with the...
Forum: Export & Diesel Powered Jeep Models 09-02-2012, 08:33 PM
Replies: 9
Views: 1,395
Posted By tnadanzig
Re: Mileage and Air-Intake

I welded up my own intake tube for my CRD. I used 3" aluminum mandrel tubing. I have noticed improved mileage ~ .3 - .4 mpg, reduced turbo lag, quicker boost build, and a small more amount of intake...
Forum: Diesel Powered WK Grand Cherokee 08-30-2012, 08:28 AM
Replies: 1
Views: 648
Posted By tnadanzig
Re: Transmission shifting from reverse to drive

I would find out if you have any TCM codes and go from there. The only time my I had this problem my transmission went into limp mode and would not shift out of 2nd gear. You are not having this...
Forum: Diesel Powered WK Grand Cherokee 08-30-2012, 08:26 AM
Replies: 20
Views: 2,971
Posted By tnadanzig
Re: New to Diesels

I used 1" goodyear heater hose I got off ebay. It was ten foot section for 15 or so. Really 3/4" should work fine. The stock is about 1/2" so anything larger than that should do. I run 3/4" hose on...
Forum: Diesel Powered WK Grand Cherokee 08-23-2012, 09:37 PM
Replies: 3
Views: 495
Posted By tnadanzig
Re: Newbie hello

Give us an update when you get it. I would enjoy hearing your impressions.
Forum: Diesel Powered WK Grand Cherokee 08-23-2012, 09:35 PM
Replies: 10
Views: 1,436
Posted By tnadanzig
Re: Performance DPF and Exhaust Methanol Inj.

It does when I am in Colorado above 6000' but only until the turbo spools, but otherwise no. It's not much just a tiny puff. It's all in the programming, there is enough fuel to smoke plenty.
Forum: Diesel Powered WK Grand Cherokee 08-23-2012, 09:29 PM
Replies: 4
Views: 906
Posted By tnadanzig
Re: Tuners

Sounds good keep us informed.
Forum: Diesel Powered WK Grand Cherokee 08-22-2012, 10:29 PM
Replies: 17
Views: 2,395
Posted By tnadanzig
Re: WK CRD muffler chop

I have a dpf delete and still run the stock exhaust behind the dpf delete pipe. Unless you are pushing over 300 rwhp you won't need a 3" exhaust. You won't see any exhuast temp reductions or zero...
Forum: Diesel Powered WK Grand Cherokee 08-22-2012, 10:23 PM
Replies: 10
Views: 1,436
Posted By tnadanzig
Re: Performance DPF and Exhaust Methanol Inj.

No one has made a larger dpf for the 3.0. Not very pratical or cheap. Your best bet would be to mod one from a larger engine to fit in place, but that would all be custom and probably fit like crap. ...
Forum: Diesel Powered WK Grand Cherokee 08-22-2012, 10:17 PM
Replies: 1
Views: 1,358
Posted By tnadanzig
Re: EGR Valve Location & Removeal

Not really, the egr is extremely hard to remove without pulling the intake manifold. It can be done with the manifold in place, but you have to wiggle the shit out of it. Don't have much better...
Forum: Diesel Powered WK Grand Cherokee 08-22-2012, 10:15 PM
Replies: 20
Views: 2,971
Posted By tnadanzig
Re: New to Diesels

See my reply in your other post on some needed mods. Great engine that will last forever if maintained properly and a few simple mods are performed. Elephant mod and swirl motor 4.7K resistor mod.
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