6 cylinder help

[Merc69]

I am on my way to pick up my J-10 in a few minutes so now I have to make a decision to try to get it to run or use it for parts. So my question is the po said that three pushrods slip out from under the rockerarms.

Am I thinking right that it will most likely be collapsed lifters or a very badly worn camshaft? I would like to keep this as the price was right and I could always use a truck to haul Jeep parts around smile.gif

As always thanks in advance...this is the greatest site and you guys are the best source of information :cool: tongue.gif

[UnkleMunky]

Um, if the body's in good shape, don't even think about parting it out...send it to me! smile.gif j/k....really though, even if you end up plopping in a different engine(preferably another 258!) or rebuild this one, it's worth it. I can't comment on the pushrods part as I'm not the best with the internals, but someone else might help more there. I just wanted to recommend that you not part this thing out....lots easier to find a replacement engine than another J10 as they don't make these trucks anymore! smile.gif

BTW...you didn't mention what tranny setup this has got. If you've got a 4 speed behind that 258, KEEP IT! Best bloody combination I've had in a FSJ yet! Even if it's a 3 speed, those are nice simple trannies too. But, I recommend fixing what you need to....J10s are nice! smile.gif I am biased..what else is new???? :D

Take care....

[andy d]

pop out the pushrods ,check them out, and the rocker arms too. iirc, my bro-in-law, ran across this in a chero 258.

[Dave Ferrera]

The 258 in my 79' Cherokee did the same thing 3 times. It would be runnin fine and then on restarting it would have a nasty skip as soon as it began to run. The pushrod on #6 exhuast would be off the rocker when I pulled the valve cover. The fix (after the 3rd time) was a new set of rockers for that cylinder. It's been 6 months with no recurrance.
Hope this helps
Dave

[Merc69]

Thanks guys. At least this is a starting point. The p/o said three pushrods do this little trick. The odemeter shows 78,000 on it. I don't know if its a three speed or the 4 yet. Just to little time to check things out.

I need to get the Wag up and running before I can start on this project. It looks real cool though and I think it is a keeper. If I can still recover it I may have a head off a 93 6 cyl. another project where I did not clean up after myself and may have lost it. Oh well a phone call tomorrow and I might know.

Again guys this is the best site going...and everyone here is great.

[Navajo]

Fix it! Its only money.

[Sycho15]

Oh, and I believe you can use rocker arms from an AMC V-8s on the I-6 engines. Often times it costs the same or less for the kit, and you're getting 2 more rockers to boot.