I'm a CJ Newbie and Need Major Advice

[007]

Sorry. I'm a QuadraTrac fan. Pep up your AMC 258 i6 / 4.2l and keep your automatic (your wife might appreciate the auto).


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[cj7inthetwigs]

IMO, keep it factory but work that AMC 258 i6 / 4.2l over… tons of threads about the 4.0 head and mpi… to me and I dont know much but the 258, gears, and maybe the tranny swap and the jeep should be more than capable. Its your jeep though and as long as you post pics, I don't mind. Your still keeping history alive.

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[wookie]

bought my jeep with a 283 chevy motor,I plan on putting the AMC 258 i6 / 4.2l back in it.the 283 is ok but it just aint right i guess,it could just be me[chevy hates me]i just want it stock.I'm also new to jeeps of my own,but my brothers have them.I like what i read on here and have big plans for mine.the 6 might be better for the grandson,but thats your call

 

[007]

Sorry. I'm a QuadraTrac fan. Pep up your 258 and keep your automatic (your wife might appreciate the auto).


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Also you can put a TransGo shift kit in the GM Turbo 400 as I am and have manual shift.


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[Posi]

I just inherited a beat to heck 1977 CJ-7 that I would like to completely rebuild. I don't know much about it other than it has the 258 straight line 6, automatic quadratrac(???) transmission and approx. 124,000 miles.

You didn't mention a problem with the Jeep, "beat to heck" could mean different things to different people.

It has short miles for a 77 at only 124k, if you can get the engine running decent and take care of any safety issues without a big hassle I would then recommended doing so and enjoy your Jeep for awhile before digging into a long term rebuild.

 

[Al Lindner]

I for one love the 258CID low end torque but it is thirsty the 4.0 is 232CID fuel injected too. There are performance parts and upgrades you can do for the AMC 258 i6 / 4.2l

 

[mstar]

FYI on engine size. these are aprox. industry standard that they use for reference

cubic inch displacement = liter

225 = 3.7
231 = 3.8
AMC 232 i6 = 3.8
242 = 4.0
AMC 258 i6 / 4.2l = 4.2

mike