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Search: Posts Made By: jrwhit04
Forum: Engine Performance/Intake/Exhaust 03-20-2012, 12:17 PM
Replies: 10
Views: 6,364
Posted By jrwhit04
Re: 2003 4.7L to 4.7L HO Conversion

Well, it's been a while since I posted, but I'm done with the install, and the Jeep is running like a dream. No check engine lights, and all sensors are hooked up and functional including the knock...
Forum: Engine Performance/Intake/Exhaust 01-23-2012, 01:55 PM
Replies: 10
Views: 6,364
Posted By jrwhit04
Re: 2003 4.7L to 4.7L HO Conversion

Got my HO engine last week. Here are a couple pics of the engine, and one wiring difference I have found. I knew the HO engine had the knock sensors, and I was going to have to add them in order to...
Forum: Engine Performance/Intake/Exhaust 01-23-2012, 01:33 PM
Replies: 10
Views: 6,364
Posted By jrwhit04
2003 4.7L to 4.7L HO Conversion

Back a few weeks ago I bought a 2003 Grand Cherokee Limited with the 4.7L engine and Quadra-Drive 4x4 system. I bought it cheap from my brother, because it had a blown head gasket. Body and...
Forum: Engine Performance/Intake/Exhaust 01-11-2012, 01:22 PM
Replies: 26
Views: 3,765
Posted By jrwhit04
Re: 2003 4.7L Engine Decision

Just wanted to let you guys know that I have decided to go for the HO swap, now I have to wait a month or so to collect the funds and the necessary parts. I plan on starting a new thread detailing...
Forum: Engine Performance/Intake/Exhaust 01-05-2012, 09:00 AM
Replies: 26
Views: 3,765
Posted By jrwhit04
Re: 2003 4.7L Engine Decession

Here are some pics of my scuffed cylinders, and the condition the Jeep sits in currently.....
Forum: Engine Performance/Intake/Exhaust 01-05-2012, 07:48 AM
Replies: 26
Views: 3,765
Posted By jrwhit04
Re: 2003 4.7L Engine Decession

@Reichminister Nice catch......spelling isn't my strong suit, yes, decision is what I meant to say.

Now, as for why I would invest time and money into a 9 (not 7) year old vehicle, I am kinda in a...
Forum: Engine Performance/Intake/Exhaust 01-04-2012, 04:20 PM
Replies: 26
Views: 3,765
Posted By jrwhit04
Re: 2003 4.7L Engine Decession

Dave,
No apology necessary! And PLEASE by all means, keep the comments coming, because I like to have as much information as possible before I get myself involved in something like this. No...
Forum: Engine Performance/Intake/Exhaust 01-04-2012, 03:47 PM
Replies: 26
Views: 3,765
Posted By jrwhit04
Re: 2003 4.7L Engine Decession

Dave,
Thanks for the detailed response, it is much appreciated. I am especially glad you sent the picture, because I had read about the JTEC, non-JTEC issue on this board and many others, and...
Forum: Engine Performance/Intake/Exhaust 01-04-2012, 02:06 PM
Replies: 26
Views: 3,765
Posted By jrwhit04
Re: 2003 4.7L Engine Decession

Ha! My thoughts exactly....is this worth it?

Here's what I have come up with, the Jeep is in great shape cosmetically, I got it for hardly anything, so even with investing $2000 or $3000 in an...
Forum: Engine Performance/Intake/Exhaust 01-04-2012, 09:17 AM
Replies: 26
Views: 3,765
Posted By jrwhit04
Re: 2003 4.7L Engine Decession

Sweet website, thanks Marty for the recommendation. It would appear that a rebuild is pretty much the consensus, both from this forum and pretty much everyone I talk to. Now I have to figure out...
Forum: Engine Performance/Intake/Exhaust 01-03-2012, 03:20 PM
Replies: 26
Views: 3,765
Posted By jrwhit04
Re: 2003 4.7L Engine Decession

I want the HO simply because it's "cooler".........sounds kinda dumb when I say it like that, but honestly, I can't come up with a better answer. Simply more power and torque, which I generally...
Forum: Engine Performance/Intake/Exhaust 01-03-2012, 11:01 AM
Replies: 26
Views: 3,765
Posted By jrwhit04
2003 4.7L Engine Decision

So, I purchased my first WJ from my brother, it's a 2003 Limited with the 4.7L V8 and the Quadra-Tac 4x4 system. When I bought it, I KNEW it had a blown head gasket, so I was well aware that repair...
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