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Topic Review (Newest First)
01-16-2020 07:28 AM
3Cs Everything seems to point to Block/Bell housing alignment. If you are 100% sure the dowells are in the new block, could it be possible the holes in the bell housing are off or wallowed out?
01-16-2020 07:26 AM
49anditsmine Guess that is what we let ourselves in for when we start swapping motors. Just hope everything goes well or deal with the issues.
01-16-2020 07:17 AM
crispins I am dealing with something just like this right now.

Might not be the OP's issue but it was something I had never seen before and has really screwed me good.

I swapped the engine on a FWD car.

The engine I removed was for a manual trans, the replacement was an auto.

I swapped over the flywheel but left the spacer as it looked the same to me.

Well after I get it back together I notice that the holes in the spacer place for the starter are just slightly off, So I drilled them out and put everything back in the car.

Well screw me if the started doesnt grind. It will start the car but grinds everytime.

The damn holes int he place are the alignment points for the starter.

So now I have to remove the trans and swap the plate out.

Fucking stupid.
01-16-2020 07:05 AM
49anditsmine If that doesn’t work, the LS swap will be the next move. Lol
01-16-2020 06:59 AM
49anditsmine I appreciate all the input. The plate between the block and the bell housing is there, the dowels are in place, I have replaced the flywheel and compared it to two others and no difference, used three different starters and tried shimming it with washers. Nothing worked. I think the adjustable starter from summit may be the next step or swapping out the bell housing for another on I have. It is just puzzling that it won’t work right with factory parts. Has to be some sort of variance somewhere causing the mis match.
01-15-2020 08:37 PM
uptonogood
Quote:
Originally Posted by JunkCJ6 View Post
did you put the large metal shim plate back on that goes between the engine and the bellhousing? are the alignment dowels in the back of the engine?

I think we have a winner!!

Or just LS swap it.
01-15-2020 07:34 PM
BossBuilt
Quote:
Originally Posted by ExWrench View Post
In before "LS swap it"
Quote:
Originally Posted by ExWrench View Post
LS swap it
\

In the nick of time.
01-15-2020 07:06 PM
NOODLES Does it have a different flywheel? Maybe the ring gear is not on it right.
01-15-2020 06:49 PM
rockbuggy84
Quote:
Originally Posted by 87manche View Post
or maybe just shim the starter so it meshes properly?
You cannot shim a Jeep starter to correct the mesh. You can only adjust depth.

Summit racing sells a nice adjustable starter for the Jeeps at a reasonable price. This issue is very common.

Op, verify that dowels are in and that you have the correct flywheel(both are very easy).
If they’re correct, order the adjustable one and be done with it.
01-15-2020 03:32 PM
JunkCJ6 did you put the large metal shim plate back on that goes between the engine and the bellhousing? are the alignment dowels in the back of the engine?
01-15-2020 03:31 PM
djljeep
Quote:
Originally Posted by 87manche View Post
you should stop thinking.


258 block is 258 block.
even after they changed the casting to make it lighter the external dimensions never changed.

if you pulled out a 258 and put in a 258, everything you had before should work.
Pretty much this. Either bad bendix on the starter, one of the gears is munched, or the new flywheel =/= the old flywheel. I assume you've turned this by hand and its not just one bad spot on the flywheel?
01-15-2020 03:16 PM
dave_dj1 Stick or auto? I have seen people install the flex plate back asswards in the auto version.
LS swap it anyway
01-15-2020 02:16 PM
ExWrench LS swap it
01-15-2020 02:15 PM
ExWrench In before "LS swap it"
01-15-2020 10:52 AM
ironmangq check the ring gear on the flywheel, it's the only part left that could have changed. I'm guessing either the ring gear is toast or it's not in the right location on the flywheel

Definitely check the ring gear offset, apparently there were differences over the years
01-15-2020 10:35 AM
87manche
Quote:
Originally Posted by 49anditsmine View Post
I tried shims and it did not help. I am thinking that the bell housing just doesn’t work well with this new engine.
you should stop thinking.


258 block is 258 block.
even after they changed the casting to make it lighter the external dimensions never changed.

if you pulled out a 258 and put in a 258, everything you had before should work.
01-15-2020 09:33 AM
Unka-Boo
Quote:
Originally Posted by Filthy McChevy View Post
Smartphone ones are relatively inexpensive too. Mines got a long enough reach I could put the camera end in the bellhousing and watch it from the drivers seat.
Just bought one off Amazon, wifis to the phone, awesome diagnostic tool for $30.
Wife asked if I was planning to do my own colonoscopy
01-15-2020 09:17 AM
49anditsmine Thanks for the response. Going to keep tinkering with it until I either fix it or replace something.
01-15-2020 09:14 AM
Filthy McChevy
Quote:
Originally Posted by 49anditsmine View Post
I like the idea of the endoscope. That way I can at least see what is happening.
Smartphone ones are relatively inexpensive too. Mines got a long enough reach I could put the camera end in the bellhousing and watch it from the drivers seat.
01-15-2020 09:06 AM
49anditsmine I like the idea of the endoscope. That way I can at least see what is happening.
01-15-2020 09:04 AM
49anditsmine I tried shims and it did not help. I am thinking that the bell housing just doesn’t work well with this new engine.
01-15-2020 09:03 AM
Byro Sounds like the starter wasn’t shimmed 5 times.
01-15-2020 09:02 AM
49anditsmine Had a local motor shop Barr a build the motor. Stick 258. Put a new flywheel on it and put the engine in the Jeep. Had the grinding issue. Swapped out the flywheel and still have the issue. Swapped the starter three times and still have the issue.
01-15-2020 09:01 AM
ToddRH
Quote:
Originally Posted by 49anditsmine View Post
Anyone had a starting issue with cj7. I built a 258 and then took out the 258 that was worn out and put in the built motor and now have an issue with the starter grinding and not engaging correctly. Swapped starters three times and it starts but still grinds and gets worse until it won’t engage but only grinds. Anyone have any suggestions. I am thinking I may need to swap out the bell housing or something. ????
Get a endoscope camera for your phone.
Remove the cover at the bottom of the bellhousing.
Crawl underneath and place endo-cam near the starter gear.
Have someone crank motor while you record video.
Watch video on phone or computer.
After watching video, you can decide what needs to be done.
Much better than asking the internet.


_
01-15-2020 08:59 AM
87manche or maybe just shim the starter so it meshes properly?
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