4.7 HO Engine Rough Idle Problem. Hello everyone. I'm new to this forum and this is my first post. Unfortunately, my first post has to do with a problem on my '02 WJ Overland. I recently had the heads rebuilt and milled by a local machine shop (vehicle has 199k miles). The heads were reinstalled today and the mechanic working on it took it for

207 posts 路 Joined 2007. #1 路 Dec 21, 2011. I have been reading the threads about the superchips and the sct tuners. I am looking for people that have the HO motor and what results they have had. I read a post in a couple different threads on a couple different forums about how the tuners dont add any noticeable power to the 4.7 HO, that the
Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Jeep Grand Cherokee 4.7 V8 H.O. Overland in 2003 the model with 5-door sport-utility wagon body and V-8 4701 cm3 / 287 cui, 190 kW / 258 PS / 255 hp (ECE) of power, 425 Nm / 313 lb-ft of torque, 5-speed automatic powertrain offered since mid-year 2003 for Europe . Specifications
8561 posts 路 Joined 2004. #25 路 Nov 29, 2021. I've been modifying the WJ 4.7 since it came out in 1999. Exhaust alone is worth nearly 20hp if done correctly. It's a very restrictive stock setup. And there's solid gains with programmers, air intakes (for the standard 4.7) and ported throttle bodies. View all 29 consumer vehicle reviews for the Used 2002 Jeep Grand Cherokee Overland 4WD 4dr SUV (4.7L 8cyl 5A) on Edmunds, or submit your own review of the 2002 Grand Cherokee. Darnice. 1156 posts 路 Joined 2012. #9 路 Dec 28, 2015. It depends, Late 04 build 4.7 HO have a slightly larger exhaust pipe (found that out when I originally ordered the magnaflow SS exhaust) as it would not fit. Called them and was told some of the last WJ's built had a slighly larger exhaust and mine being the last 04 Overland built, it had it.

They may be completely devalued, but that鈥檚 just a bonus for builders. I鈥檝e literally found complete, running donors for $600-$1000. Needless to say, I鈥檒l be hard pressed to find myself without the ability to get what I need relatively easy. 2002 Grand Cherokee 4.7L HO w/ QuadraDrive being built as an Overland Rig. Save.

Jeep Grand Cherokee & Commander Forums. WJ Grand Cherokee Forum 2004 Grand Cherokee Overland 4.7 HO Quadradrive 95 ZJ Limited 5.2 Winter Project Sold 94 ZJ Laredo
Here is a general view, there are 2 grounds it looks like between the body and PDC. And here is a closer up shot of the one it looks like, I have 2 wires there, one is for my HID kit. Aaron. My Jeep: 2001 Grand Cherokee Limited, 245/65R17 Falken Rocky Mountain ATS, K&N drop in air filter, Bilstein HD's. 0AnkZq.
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    • jeep grand cherokee wj 4.7 ho overland