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Unread 02-16-2008, 11:28 AM   #1
ndigilio3
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1986 CJ7 
 
Join Date: Dec 2007
Location: reeseville, WI
Posts: 55
cj7 to cj8??

whats the diffference between the 7 and 8 besides the obvious length?? my 7 tub is pretty well rotten, not beyond the point of repair but i was going to replace it with a w/o repli tub. i can pick up a very clean/straight 8 frame for cheap. my question is are all the major suspension parts and drivetrain parts the same? i know i would need new/longer fuel and brake lines, gas filler hoses and rear driveshaft. are the leaf spring the same length? trac width?


thanks in advance, nick

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Unread 02-16-2008, 12:39 PM   #2
jscherb
Web Wheeler
2006 LJ Wrangler 
 
Join Date: Mar 2007
Location: Elmira, NY
Posts: 8,092
Here's a list of differences we compiled over on the CJ-8.com forum:

1. Rear driveshaft
2. E-brake cables
3. Rear brake line
4. Longer exhaust pipes
5. Roll bar
6. Wiring harness for taillights (reuse -7 harness but lengthen it)
7. Top (if desired)
- Full length soft top
- Fiberglass half cab and bulkhead and bulkhead gasket
- Full length aftermarket fiberglass hard top
- Soft half top and bulkhead and bulkhead gasket
- World Cab steel full hardtop
8. Longer fuel and tank vent lines NOTE: '81 Scramblers with 15-gallon tanks used standard CJ-7 fuel filler necks
9. Scrambler and CJ-8 emblems
10. Rear flares (different shape than -7 flares)
11. Springs - Didn't most -8's come with an additional leaf over the -7 springs to support the increased weight and load capacity. Depends on what's on the donor -7 I guess.
12. Fuel filler tubes
13. The corner/tailgate supports on the inside of the tub on either side of the tailgate
14. large grommet for the rear harness that mounts in the step up panel
15. plastic side body cover rails for the harness
16. frame (just to make list complete)
17. body (just to make list complete)
18. Scrambler-specific body brackets/clips (required for steel tubs)
Under-floor rollbar supports (4 - 2 under tub, and 2 inside tub)
Tailgate support brackets
Taillight harness plastic "shroud" (inside driver-side rear wheelwell)
Underbody lower swing-out tire carrier support bracket.

Track width would be the same for the same year -7's and -8's. They both went to wide track the same year, altough you'd probably have to check 81's/82's as that was the transition year and the cutover point could be between your donor -7 and your target -8.

Jeff
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Unread 02-16-2008, 05:02 PM   #3
Mr.Crowley
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1980 CJ7 
 
Join Date: Sep 2006
Location: nj
Posts: 2,774
list looks to be spot on..Wide track to NT is the same as cj7's

allot of that list is not an absolute neccesity,as it was written to build a complete 8 out of a 7
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Unread 02-16-2008, 05:20 PM   #4
jscherb
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2006 LJ Wrangler 
 
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Location: Elmira, NY
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Quote:
Originally Posted by Mr.Crowley View Post
list looks to be spot on..Wide track to NT is the same as cj7's

allot of that list is not an absolute neccesity,as it was written to build a complete 8 out of a 7
Well he asked "whats the diffference between the 7 and 8 besides the obvious length??" So that's the list :-)
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Unread 02-16-2008, 08:06 PM   #5
ndigilio3
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1986 CJ7 
 
Join Date: Dec 2007
Location: reeseville, WI
Posts: 55
im not looking for a true resto. im just looking for options. i love my 7 but i have 3 dogs that i take everywhere. the extra room would be nice. with all the camping gear and what not.
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