1979 CJ5 to 1974 CJ5 frame swap. - Jeep Wrangler Forum
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Old 07-01-2013, 11:16 AM   #1
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1979 CJ5 to 1974 CJ5 frame swap.

Hello everyone. First time jeep owner here. I recently purchased a '79 CJ5. Jeep has a 304 V8 with a 3 speed. Jeep came with a few upgrades, most notable is an all fiberglass body (needs repainted),
The frame under her is in ruff shape. I picked up a '74 CJ5 with Dana Axles under it, Dana 44 front and Dana 60 rear.
I am ok with a set of wrenches and have a cousin who runs a local welding shop so fabricating parts and pieces shouldn't be too much of a hurdle. With all that being said, can anyone share what kind of hurdles we might be facing and or tips and tricks we could benefit from. Should I use those axles? Should we use the originals?
If it matters I am also looking to trade out the 304 with a SB 350 in the future.
Thanks again for adding me to the forum. I have been doing a lot of reading on here and this seems like a top shelf group of people.
Thanks!
Tom

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Old 07-01-2013, 12:04 PM   #2
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let me know on the 304....... I have tranny/TC... may wanna slip it one of mine....

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"For Gawd's sake, put a RELAY in there or you could burn the whole damn Jeep to the ground" ...this quote brought to you by people who do not understand the law.....Kirchoff's, Ohm's, or Faraday's.
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Had 75CJ5, 89YJ, 93YJ. Have 82CJ7 & 95YJ____Not one burnt yet due to lack of relays.
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Old 07-01-2013, 12:47 PM   #3
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I would use the heavier duty axles..I have had many jeeps with small block chevy engines but I like the 304 too..I don't personally care for the fiberglass bodies,mainly because they don't have tailgates so that my lab can jump in
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Old 07-01-2013, 01:46 PM   #4
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No fiberglass here....my CJ5 had a 304....14"FF rear and Dana 60 front..... MEAN machine....
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"For Gawd's sake, put a RELAY in there or you could burn the whole damn Jeep to the ground" ...this quote brought to you by people who do not understand the law.....Kirchoff's, Ohm's, or Faraday's.
Violation of KISS shall always ring false in TRUE engineering. - ME___
Had 75CJ5, 89YJ, 93YJ. Have 82CJ7 & 95YJ____Not one burnt yet due to lack of relays.
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Old 07-10-2013, 06:23 AM   #5
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Run the HD axles. Keep in mind the '74 frame is not fully boxed; it is open C-channel designed to flex, but with lighter axles. I recommend fully boxing and reinforcing the '74 frame, and upgrading the springs/mounts/shackle hangers. 1.75" springs will not control those heavy axles well... I'd go with a set of Holbrooks if you can swing it, or maybe some CJ7 or YJ lift springs. Also note the tub mount locations will be different behind the doors; the frame got wider from the doors back in 1976.
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Old 07-10-2013, 02:36 PM   #6
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Thanks Lynn!

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