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post #1 of 5 Old 01-11-2005, 05:16 PM Thread Starter
MeanGrnYJ
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Cat Back Exhaust Systems

So I have already put an intake, 4.0 throttle body, and throttle body spacer on my jeep. I am runnig 33s and I would like to get a little more power out of my jeep for highway driving. I am wondering if it is worth it to put a header and a cat back exhaust system on my jeep.

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post #2 of 5 Old 01-11-2005, 05:28 PM
CosmicCreeper
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depends on your point of view, you will gain power with the change and you will gain the sound, but you will also spend the money, so money verses little bits of power increase, the age old question is it worth it. That's up to you buddy, me I'd spend the $

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post #3 of 5 Old 01-11-2005, 06:04 PM
JeeperDon
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Maybe a mans gotta do what a mans gotta do, but as a man who has been there, it's always gonna be a sow's ear. There is no way you can cost effectively improve the power of a 2.5L Jeep engine. I threw money into the 2.5 for years, hoping one add-on would be the magic one. I just swapped mine out (see sig) for about $3000 total for 200HP and 250TQ. Now THAT was money well spent.

'93 YJ, '02 GM 4.3V6, SOA, dual ARB's, 8.8+D30(WarnHubs), 4.88s, 35" BFG KM2s, AX15, NP231+4:1+SYE+2LO, York OBA, Warn M8000.
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post #4 of 5 Old 01-11-2005, 06:19 PM
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Quote:
Originally Posted by JeeperDon
Maybe a mans gotta do what a mans gotta do, but as a man who has been there, it's always gonna be a sow's ear. There is no way you can cost effectively improve the power of a 2.5L Jeep engine. I threw money into the 2.5 for years, hoping one add-on would be the magic one. I just swapped mine out (see sig) for about $3000 total for 200HP and 250TQ. Now THAT was money well spent.

Do you have any pics of the swap? The 4.3 is always in the back of my mind for a motor swap project.

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post #5 of 5 Old 01-12-2005, 06:39 AM
JeeperDon
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Quote:
Originally Posted by Devious
Do you have any pics of the swap? The 4.3 is always in the back of my mind for a motor swap project.
I started to document the project with photos etc, but them got wrapped up in the project itself. I was also going through chemo treatments then (still am) and became too out of sorts to focus on anything other than getting the truck out of my friends garage, where it had been for a month.

No one is going to be able to give you a step by step procedure for a motor swap as there are too many variables. All I can suggest is that you get a doner motor with as much still on it as possible. I got a '02 4.3 from a rolled Blazer with 18,000 mi, complete with all wiring, the PCM, the fuse box, all engine accessories (serp belt still on motor) for $1250. With all the stuff I got, it was much less expensive in the long run to get everything working. Example, the Blazer steering hoses bolted right to my old gearbox. You just have to have courage and know that "other people do this" and get it done.

'93 YJ, '02 GM 4.3V6, SOA, dual ARB's, 8.8+D30(WarnHubs), 4.88s, 35" BFG KM2s, AX15, NP231+4:1+SYE+2LO, York OBA, Warn M8000.
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