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Search: Posts Made By: jeepgcoman
Forum: Engine Performance/Intake/Exhaust 08-31-2014, 07:26 PM
Replies: 26
Views: 630
Posted By jeepgcoman
Re: SRT exhaust manifold install today!

Good to see that it's working good and you're happy with the results. You've almost got yours like mine now, except my headers were customs, and I've got a 2 degree advanced aftermarket cam and 6.1...
Forum: Engine Performance/Intake/Exhaust 08-27-2014, 11:36 PM
Replies: 26
Views: 630
Posted By jeepgcoman
Re: SRT exhaust manifold install today!

What are your first impressions of the new exhaust? How much more power do you think you've gained?
Forum: Engine Performance/Intake/Exhaust 08-27-2014, 06:04 PM
Replies: 26
Views: 630
Posted By jeepgcoman
Re: SRT exhaust manifold install today!

So, what's happening with the change over, Lucas?? Did they finish it??
Forum: Troubleshooting/Problems 08-27-2014, 06:00 PM
Replies: 6
Views: 307
Posted By jeepgcoman
Re: 08 5.7 60K Tune-Up + Completed

Brent, just slow down to about 65 mph and your mileage should be a fair amount better. I am in the midst of a trip right now (only the second time to have mine down to sea level) and I've had to...
Forum: Engine Performance/Intake/Exhaust 08-22-2014, 06:22 PM
Replies: 26
Views: 630
Posted By jeepgcoman
Re: SRT exhaust manifold install today!

Looks and sounds like you have a pretty good exhaust guy. I did, and it makes a world of difference with the end product you'll receive. Plus, it's always good to work with someone that knows the...
Forum: Engine Performance/Intake/Exhaust 08-21-2014, 08:53 PM
Replies: 26
Views: 630
Posted By jeepgcoman
Re: SRT exhaust manifold install today!

When I had my custom headers built the guy had the same problem with the steering. He was able to move something slightly with the steering shaft and it now clears without issue. I've had my headers...
Forum: Engine Performance/Intake/Exhaust 08-21-2014, 09:49 AM
Replies: 26
Views: 630
Posted By jeepgcoman
Re: SRT exhaust manifold install today!

Good to see you went ahead with this. You won't be sorry. It'll be a noticeable difference in performance, especially if have a low restriction, straight through muffled cat. back built to go along...
Forum: Grand Cherokee - WK 08-05-2014, 08:51 PM
Replies: 4
Views: 350
Posted By jeepgcoman
Re: I have some money to spend.

X2. The Bilsteins make almost as much difference as the SRT sways. Kman did it in the right order too. IMO, it makes a complete suspension package.
Forum: Grand Cherokee - WK 08-04-2014, 02:38 PM
Replies: 4
Views: 350
Posted By jeepgcoman
Re: I have some money to spend.

Pedals won't help the performance or handling, but the sway bars and tuner will make a big difference in both. Really though, it just depends on what your priorities are. Personally, I'd go with the...
Forum: Engine Performance/Intake/Exhaust 07-31-2014, 05:38 PM
Replies: 11
Views: 453
Posted By jeepgcoman
Re: Another Hemi Gas-Mileage Thread

First, X2 on everything Frank said. Second, you did real well on all the things you've done so far.....type oil, plugs, throttle body clean, etc. (Need to add a catch can too though), but then you...
Forum: Grand Cherokee - WK 07-28-2014, 11:39 AM
Replies: 9
Views: 1,109
Posted By jeepgcoman
Re: Fumoto oil drain valve

Sounds like you either have the wrong valve, or there is a problem with the threads, either on the valve or in the oil pan, or maybe you're trying to cross thread it. It should easily go all the way...
Forum: Troubleshooting/Problems 07-25-2014, 06:53 PM
Replies: 9
Views: 323
Posted By jeepgcoman
Re: 4wd issue - need help

X2 on all accounts. If someone changed the diff. fluid (or it's way overdue change) and they didn't add the friction modifier, it'll hop real bad. It is needed in WK's with the ELSD differentials,...
Forum: 2005+ Jeep Commander XK 07-22-2014, 06:23 PM
Replies: 1
Views: 186
Posted By jeepgcoman
Another Jeep Recall...Commander Included

Wonder if this will turn into another N23 debacle?

http://www.autonews.com/article/20140722/OEM11/140729971/chrysler-recalls-older-jeep-commanders-and-grand-cherokees-for
Forum: Grand Cherokee - WK 07-22-2014, 06:03 PM
Replies: 11
Views: 639
Posted By jeepgcoman
Another Jeep Recall

Wonder if this is going to turn into another N23 debacle??

http://www.autonews.com/article/20140722/OEM11/140729971/chrysler-recalls-older-jeep-commanders-and-grand-cherokees-for
Forum: Grand Cherokee - WK 07-21-2014, 08:30 PM
Replies: 15
Views: 573
Posted By jeepgcoman
Re: Srt swaybar to limited

I think you'll find that 2 1/2 in. piped duals will be a little large for a stock 5.7 Hemi. The stock size on my LX is 2 1/4 in. A friend of mine with a cammed, big headed 5.7 tried 2 1/2 in. and...
Forum: Grand Cherokee - WK 07-21-2014, 10:06 AM
Replies: 15
Views: 573
Posted By jeepgcoman
Re: Srt swaybar to limited

Good! Sounds like you've got it figured out. I changed everything all at once on the WK and it was like day and night better. I handles like it's on rails now. On my LX, I did the sways and Bilsteins...
Forum: Troubleshooting/Problems 07-21-2014, 09:57 AM
Replies: 6
Views: 307
Posted By jeepgcoman
Re: 08 5.7 60K Tune-Up + Completed

Great write-up and confidence builder for any novices. This should provide insight and increased confidence for others who may want to give these tasks a go. It appears that you also stumbled upon...
Forum: Grand Cherokee - WK 07-20-2014, 10:22 PM
Replies: 15
Views: 573
Posted By jeepgcoman
Re: Srt swaybar to limited

A better way is to switch both front and rear so you have a matched suspension. There are several manufacturers that make them, plus they are readily available at Cleveland Pick-A-Part, and probably...
Forum: Technical Tips/DIY/How-To 07-20-2014, 10:13 PM
Replies: 5
Views: 376
Posted By jeepgcoman
Re: SRT-8 Driveline swap

While the parts swap is easily possible, the sticking point will be (at a minimum) the the PCM/TCM. On your 05 with the 545RFE transmission, the PCM/TCM is combined in one unit. The NAG1 has a TCM...
Forum: Engine Performance/Intake/Exhaust 07-20-2014, 10:03 PM
Replies: 1
Views: 228
Posted By jeepgcoman
Re: 2010 5.7 cylinder head differences...(see also: exhaust headers)

Welcome to the forum.

The Eagle heads have the same port design as the 6.1's and 6.1 headers should bolt right on. As with any exhaust manifold work on a WK, it's a real tight fit though. I...
Forum: Engine Performance/Intake/Exhaust 07-18-2014, 09:43 PM
Replies: 28
Views: 644
Posted By jeepgcoman
Re: Infamous Broken Manifold Bolts

While it's apart, replace all gaskets so you won't have to do it a second time. I am sure it's not your favorite job. I've replaced header flange gaskets (custom tubular headers) and it sure wasn't...
Forum: Engine Performance/Intake/Exhaust 07-17-2014, 07:29 PM
Replies: 44
Views: 1,595
Posted By jeepgcoman
Re: srt8 exhaust comversiona GC overland

If you can't find what you're looking for on one of the forums (check the Jeep SRT-8 forums), you might try looking here: auto salvage late model car parts (http://www.clevelandpickapart.com/) They...
Forum: Grand Cherokee - WK 07-15-2014, 12:43 PM
Replies: 2
Views: 344
Posted By jeepgcoman
Now this is what we all need!

As said, this is what we all need, and it's controlled by the driver.

Unbelievable Color Changing Car!! - YouTube...
Forum: Troubleshooting/Problems 07-11-2014, 02:43 PM
Replies: 7
Views: 291
Posted By jeepgcoman
Re: Piston hit spark plugs?

Things don't just run around in the combustion chambers, bashinig the spark plugs, at least not without cause some real bad things to happen . Since your's is an 05, my guess is that a valve seat...
Forum: Grand Cherokee - WK 06-29-2014, 09:19 PM
Replies: 58
Views: 8,746
Posted By jeepgcoman
Re: How to increase power output on a stock 3.7 V6

Ask 'Strogjeff, he's got aftermarket bolt on headers on his. I have customs on my 5.7 with a complete matching cat. back and they're worth ~30-40 hp on it. Your's would be somewhat less with a...
Forum: Troubleshooting/Problems 06-21-2014, 08:34 AM
Replies: 12
Views: 430
Posted By jeepgcoman
Re: My O2 sensors are bad? Please help.

Normally, a bad O2 Sensor will not cause a misfire unless it is so bad that it starts fouling spark plugs. You'd for sure notice this if got to that point. Have fun on the move...ugh!!

It's...
Forum: Troubleshooting/Problems 06-20-2014, 09:36 PM
Replies: 5
Views: 209
Posted By jeepgcoman
Re: Transmission oil contamination

As long as Royal Purple is equivalent to ATF+4 and is compatible with other ATF+4 fluids (which I am pretty sure it is), you shouldn't have a problem. Driving it any significant distance when 2...
Forum: Grand Cherokee - WK 06-18-2014, 08:38 PM
Replies: 17
Views: 3,398
Posted By jeepgcoman
Re: Stuck in 3rd

Good t know, Frank, but I hope I never need to purchase anything from them, LOL.
Forum: Grand Cherokee - WK 06-18-2014, 12:13 PM
Replies: 9
Views: 413
Posted By jeepgcoman
Re: Transmission fluid check for 3.7

See my response to your same post over in the "Technical Tips/DIY/How To" Section. Don't know if it will help or not though.
...
Forum: Technical Tips/DIY/How-To 06-18-2014, 11:47 AM
Replies: 3
Views: 473
Posted By jeepgcoman
Re: Replacing Oxygen Sensors 3.7L V6 WK

The O2 Sensors are a lot like spark plugs. They usually wear out slowly and are not noticed until the mileage drops off dramatically. I had my first encounter with O2's after I had custom exhaust...
Forum: Technical Tips/DIY/How-To 06-18-2014, 11:36 AM
Replies: 5
Views: 384
Posted By jeepgcoman
Re: Transmission fluid check for 3.7

I use a 36 in zip tie also for my LX with the NAG1 transmission. Just put marks 5mm apart on the tie. I marked mine up to 40mm at 5mm intervals. The problem you'll have is getting an accurate fluid...
Forum: Troubleshooting/Problems 06-16-2014, 07:52 PM
Replies: 35
Views: 5,511
Posted By jeepgcoman
Re: service Tire Pressure Monitoring Systems.HELP

Good luck and stay healthy.....and happy. I hear you on the retirement. I retired very early and have not had a "real job" for 24 years. We were caregivers for 3 family members for 10 years and have...
Forum: Troubleshooting/Problems 06-16-2014, 01:12 PM
Replies: 35
Views: 5,511
Posted By jeepgcoman
Re: service Tire Pressure Monitoring Systems.HELP

It's your call but, if it were me, I wouldn't be to hasty to dump the Heep, especially if the rest of it is sound. Personally, I refuse to let these petty issues get the best of me. After all, I made...
Forum: Troubleshooting/Problems 06-15-2014, 08:32 PM
Replies: 35
Views: 5,511
Posted By jeepgcoman
Re: service Tire Pressure Monitoring Systems.HELP

I am not aware of any way to turn the TPMS off. I also would not recommend it, mostly because of liability issues if you had an accident that was tire pressure related and you had the system turned...
Forum: Troubleshooting/Problems 06-15-2014, 08:17 PM
Replies: 12
Views: 430
Posted By jeepgcoman
Re: My O2 sensors are bad? Please help.

I believe you're right. You may want to PM Strongjeff, as he has a hopped up 3.7 in a Wk and probably can answer your questions better than I can. Good luck, and let us know how it goes.
Forum: Troubleshooting/Problems 06-13-2014, 08:41 PM
Replies: 12
Views: 430
Posted By jeepgcoman
Re: My O2 sensors are bad? Please help.

If you suspect they're not quite right, it's certainly cheaper to replace them than to try and have them tested. Don't know how hard they are on a 3.7, but maybe someone that's done it will chime in....
Forum: Troubleshooting/Problems 06-13-2014, 06:17 PM
Replies: 35
Views: 5,511
Posted By jeepgcoman
Re: service Tire Pressure Monitoring Systems.HELP

They will have to program the new sensor ID's into the Wireless Control Module (WCM) to get the message to go away. I would highly recommend you replace all the sensors so you won't have to endure...
Forum: Troubleshooting/Problems 06-13-2014, 08:52 AM
Replies: 12
Views: 430
Posted By jeepgcoman
Re: My O2 sensors are bad? Please help.

They really shouldn't ever hit 0mv. The more crosscounts you get the closer your fuel trim will be to stoichometric (14.7/1). That's why sometimes you'll see shorter legs on your graph....not as much...
Forum: Troubleshooting/Problems 06-11-2014, 09:34 PM
Replies: 12
Views: 430
Posted By jeepgcoman
Re: My O2 sensors are bad? Please help.

While I am certainly no expert on O2 Sensors, I have had a little experience with them after I thought I had some problems right after having custom headers built.
Here's my take on your graphs:
1....
Forum: Technical Tips/DIY/How-To 06-09-2014, 10:01 PM
Replies: 2
Views: 245
Posted By jeepgcoman
Re: 05 WK Hemi rebuild...looking for vids or blogs

Sorry to hear about your trouble. This is certainly not normal, but is fairly common, especially with early Hemi's. What year Hemi are we talking about? As your mechanic said, it drops a valve seat...
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