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post #1 of 5 Old 02-01-2014, 11:13 AM Thread Starter
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1995 ZJ 
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Location: Plainview
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Upgrade ?

My 95 ZJ is outta putput power ...Just wandering if I can replace the 5.2 with something newer and what is needed ? Thinking about doing a major swap-engine,tranny,&t-case.? Also , I think I blew my heater core.How hard is it to replace? Thanks in advance for the help.

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post #2 of 5 Old 02-01-2014, 10:44 PM
Texas ZJ1
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1994 ZJ 
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Location: Omaha
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Flaws page has what you need to do a ZJ engine swap

04 4.7 HO, limited
04 4.7 HO, Overland

08 Z71 Suburban, front leveling kit with rear spacers. 285/65 18s Nitto TerraGrappler G2s

94 5.9 Laredo 6.5 RE lift with 35 Maxxis Bighorns
and 33 Bridgestone Duelers
Detroit and true trac
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post #3 of 5 Old 02-01-2014, 11:38 PM
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1997 ZJ 
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Why not just buy a niner instead?

Heater core isn't difficult, just time consuming.


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post #4 of 5 Old 02-04-2014, 12:04 PM
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1995 ZJ 
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you could always stroke and build the 5.2 to a 6.3! or if your a real wrench turner stroke the 5.9 to a 7.0!!!! there will be pleanty of get up and go then
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post #5 of 5 Old 02-04-2014, 03:27 PM
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1995 ZJ 
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Location: St Pete
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To do it the proper way, the heater core is a huge PITA due to having to disassemble the dash. Other than that and it being very time consuming(a full day at it most of the time), it doesn't appear to be hard at all, as long as you can remember how to connect some wire harnesses and clips, while putting screws back in their places. Some cups or organizer trays may help a bit if you go at it as well as a good lunch

1995 ZJ ltd, 4.0 i6, *cough stock cough* 253,xxx and still pumping strong
1998 Chevy Cheyenne K1500, 5.7L Vortec, mostly stock
*In peace, sons bury their fathers. In war, fathers bury their sons. - Herodotus
Originally Posted by JasonStebbins
We can call it the Whoosh King Catalog System. :D
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