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03-11-2010, 10:03 AM
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#1 | |
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Registered User
1989 YJ Wrangler
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4.2 to 4.0 swap help????
Im getting a 4.0 out of a 98 XJ to go in place of my 4.2 in my 89 YJ. The 4.0 has none of the wiring with it, what will I need to make it run? Thanks for any help you can give me.
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89 YJ 4.2L 5 Speed 8" skyjacker suspension lift 35" Mickey Thompson Baja Claws New XRC8 8000lbs winch ARB safari snorkel ************************* 1948 Willys CJ2A Going to start restoring this one soon. ************************* Groups: Alabama Jeepers---#1 Old School Willys---#1 Square Headlights--#10 White Jeep Club----#1800 |
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03-11-2010, 08:57 PM
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#2 |
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Registered User
1981 CJ5
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look in the CJ tech forums. there is a sticky on it. I'm doing the same thing to my Cj right now.
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03-11-2010, 09:08 PM
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#3 |
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Registered User
1989 YJ Wrangler
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bump. I'm in the middle of this too and I'm bookmarking every thread I can find on it.
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Build Herc.Custom Green paint. RC 4". 5 Goodyear 33X12.5 MT/R w/Kev. Cragar V5's. Corbeau Moab seats. Optima Yellow.XRC8 Comp Winch. XJ 4.0/AX15 WTT: 4" springs for 6" WTS: 4.2 parts. Fuel lines, pump, block, head, accessories, just ask |
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03-14-2010, 03:58 AM
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#4 |
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Registered User
1989 YJ Wrangler
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Ok, let me ask a different question, since I have none of the wiring, what is the best donor to get the wiring harness from? Im going from a 98XJ 4.0 to an 89YJ replacing a 4.2?
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89 YJ 4.2L 5 Speed 8" skyjacker suspension lift 35" Mickey Thompson Baja Claws New XRC8 8000lbs winch ARB safari snorkel ************************* 1948 Willys CJ2A Going to start restoring this one soon. ************************* Groups: Alabama Jeepers---#1 Old School Willys---#1 Square Headlights--#10 White Jeep Club----#1800 |
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03-15-2010, 09:43 AM
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#5 |
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Registered User
1981 CJ5
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i would say 96 and up wrangler. 96 because you have an obd 2 motor and wrangler because I would think it would fit in a little better.
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03-15-2010, 10:20 AM
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#6 |
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Registered User
1989 YJ Wrangler
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Oh ok thanks, I actually got a better deal on a 96 4.0 with trans and tcase with the wiring harness and computer all for $450. I will be putting it in the end of May soon as I get home.
__________________
89 YJ 4.2L 5 Speed 8" skyjacker suspension lift 35" Mickey Thompson Baja Claws New XRC8 8000lbs winch ARB safari snorkel ************************* 1948 Willys CJ2A Going to start restoring this one soon. ************************* Groups: Alabama Jeepers---#1 Old School Willys---#1 Square Headlights--#10 White Jeep Club----#1800 |
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03-15-2010, 10:33 AM
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#7 |
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Registered User
2004 TJ Wrangler
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I just completed a 4.0 swap in my 89 Wrangler. I ended up using a 94 xj for a donor vehicle. Bought the whole vehicle for $450. The bigger hurdle you run into with 96 on up is OBD 2 electronics. The OBD 1 is a much simpler install IMO. Especially if you live in a area with no smog tests.
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03-15-2010, 11:15 AM
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#8 |
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Registered User
1989 YJ Wrangler
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Well i live in Alabama, so its all good. I have read alot about it and im pretty sure I can do it with a little help from a few guys on here. lol
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89 YJ 4.2L 5 Speed 8" skyjacker suspension lift 35" Mickey Thompson Baja Claws New XRC8 8000lbs winch ARB safari snorkel ************************* 1948 Willys CJ2A Going to start restoring this one soon. ************************* Groups: Alabama Jeepers---#1 Old School Willys---#1 Square Headlights--#10 White Jeep Club----#1800 |
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