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Old August 20th, 2011, 01:17 PM   #1
Porscheguy
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2005 5.3 w/30k miles
HP tuners custom factory harness
2005 4165E trans
1994 NP 241 tcase w/ JB super short SYE
coan 2500 converter
8.8 ford rear axle
locker 31 spline axles w/detroit
Dana 30 front
4.10 gears
D&R f&r cv driveshafts
B&M rachet shifter
dual exhaust w/manual cut outs
stainless mufflers
Aluminum Radiator
4.5 superlift arms w/ teraflex springs.... front arms still need to be put in
Aluminum rims
33 tires














Last edited by Porscheguy; March 16th, 2012 at 02:32 PM.
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Old August 20th, 2011, 01:24 PM   #2
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nice! i like your custom center console/ammo can

just a question im hoping you can answer,why do jeep guys only swap in a 5.3 and not a 6.0(LS2) engine? is it that they arent able to fit as a 6.0,a wiring issue or just that nobody has?
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Old August 20th, 2011, 03:03 PM   #3
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Looks good. Is that still the truck oil pan? You may find it a little low and a magnet for trail debris. I swapped in a Corvette pan which is much shorter.

lil freak 66, lots of guys swap in 6.0's including me. But you will find there are a lot more 5.3's out there floating around for a great price.
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Old August 20th, 2011, 03:39 PM   #4
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A 5.3 is cheaper and with no cats and a good tune you will have over 325 hp....
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Old August 20th, 2011, 04:09 PM   #5
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A 5.3 is cheaper and with no cats and a good tune you will have over 325 hp....
Not with that air cleaner setup, especially crawling in the summer.
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Old August 20th, 2011, 05:07 PM   #6
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Engine runs at a cool buck 90 even in 90deg heat..... Better hp than a 2.5 or 40 :)
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Old August 20th, 2011, 05:14 PM   #7
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Engine runs at a cool buck 90 even in 90deg heat..... Better hp than a 2.5 or 40 :)
Sounds like you have the wrong stat in it. Those engines use a 100*C stat. (212*F)
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Old August 20th, 2011, 09:44 PM   #8
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Engine runs at a cool buck 90 even in 90deg heat..... Better hp than a 2.5 or 40 :)
Meanwhile, your airraid (or whatever brand you have) sucks in 150F underhood air and your calibration pulls spark out to keep from knocking. (if you tuner didn't F with that table)

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Old August 20th, 2011, 09:49 PM   #9
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A 5.3 is cheaper and with no cats and a good tune you will have over 325 hp....
OR, a little more $ for the 6.0 and have over 425


cool to see a v8 in there. glad it works well for ya

very true on the 5.3 pricing. you can get them crazy cheap nowadays
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Old August 20th, 2011, 10:14 PM   #10
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yes but will a 6.0 get close to 20mpg? LOL
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Old August 21st, 2011, 02:36 AM   #11
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Not with that air cleaner setup, especially crawling in the summer.
Are you referring to it being a "cheap" brand or the general layout. My air cleaner is a very similar setup and if its the layout what is a better way to route it. It seems like this style/setup is a popular intake for LS motors
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Old August 21st, 2011, 04:58 AM   #12
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Are you referring to it being a "cheap" brand or the general layout. My air cleaner is a very similar setup and if its the layout what is a better way to route it. It seems like this style/setup is a popular intake for LS motors
what he is referring to is placement of the air cleaner itself. there is nothing stopping it from sucking all of the engine compartment heat.
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Old August 21st, 2011, 04:58 AM   #13
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nice rig BTW!
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Old August 21st, 2011, 06:17 AM   #14
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Awesome rig. The 6.0 in my completely stocked, extended van gets 14 mpg. 20 in a comparatively light jeep wouldn't surprise me.
I love my supercharged 4.0L, but I have sticky dreams of an LS swap!

Evo3D
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Old August 21st, 2011, 08:04 AM   #15
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what he is referring to is placement of the air cleaner itself. there is nothing stopping it from sucking all of the engine compartment heat.
My air cleaner is in the same location and I don't have any problems.
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Old August 21st, 2011, 08:23 AM   #16
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My air cleaner is in the same location and I don't have any problems.
LOL, yes you do - you just don't know it. Your ECU pulls spark with elevatated intake charge temperatures. When you're not driving a decent speed (say, over 25 mph), the underhood air doesn't really have anyplace to go.

So, you're crawling around, cooling fan on, sucking heat into the engine compartment, the exhaust is radiating heat to the frame rails and inner fenders and the entire intake system is soaked with heat. Underhood temperatures rise significantly - and you either dump spark, or you rattle like a PSD.

You don't NOTICE any problems because your rig is overpowered and you can run retarded (heh heh) and not have it affect you. I'm not trying to piss in anyone's cheerios - I just get very aggravated when I see someone go through the trouble to do such a clean and beneficial install and then do something like this.
(it is like me, owning a 50" TV and not having anything but an antenna - true story )

I also realize the Jeeps are "special cases" on these swaps because:
1. There ain't no fawking room left once you stuff a V8 in a TJ;
2. You also have to consider water ingestion about a million times more than someone putting a "cold air" intake on a street car.

I think it would be an easy-ish fix to cure the underhood heat: Build a box around the filter that is closed on all sides and extends up to the hood. Have it seal on the bottom of the hood and either louver the area above it or add a standpipe / mushroom cap or something.
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Old August 21st, 2011, 08:25 AM   #17
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Interesting note about engine heat.. I was having some part throttle/boost detonation issues when I first supercharged my YJ. I added louvers to the hood and the knock went away. There is a lot of heat held under a Jeep hood. Power can definitely be picked up with cooler air. The hottest spots are just in front of the battery, master cylinder, and just behind the radiator.

I understand that underhood heat actually increases with speed. More load on the engine equals more heat, and the hot air can't easily escape. Kinda like a soft top ballooning up on the freeway.
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Old August 21st, 2011, 08:27 AM   #18
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Scooter is right on the money IMO.
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Old August 21st, 2011, 08:33 AM   #19
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See? A plumber that wheels in wetlands says I'm right!

Just so you know Porcheguy, I've been calibrating engine controls for about 20 years - specializing in combustion, spark and emissions control.
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Old August 21st, 2011, 08:59 AM   #20
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See? A plumber that wheels in wetlands says I'm right!
You bastard!
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