Engine Engine mounts location

[Manic Mechanic]

I need some pictures of stock AMC 258 i6 / 4.2l inline 6 engine mounts and there location. (Both sides) Both frame mounts and engine mounts.

The issue is the motor is sitting to far forward (about fist width off the firewall) so I need to see what holes in the frame a factory setup is (mine has 6 holes in the frame and is currently in the forward 4 most) and the engine side in case they got swapped left to right in the past at some point.

Otherwise everything is factory including T-5 Transmission Dana 300 and drive shafts etc

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[Belizean]

Mine are not stock, Mine came with the 4 cylinder, but I do have a AMC 258 i6 / 4.2l with the MORE engine mounts. So I don’t know if that would be helpful.

 

[Manic Mechanic]

Dose it sit correctly? If so why not

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[CJ]

Mine are not stock, Mine came with the 4 cylinder, but I do have a AMC 258 i6 / 4.2l with the MORE engine mounts. So I don’t know if that would be helpful.

The MORE mounts will use the same location.

 

[Belizean]

Dose it sit correctly? If so why not

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It doesn’t squat like an hippo in the Luangwa River.

 

[Manic Mechanic]

It doesn’t squat like an hippo in the Luangwa River.

It's not squatting but it is sitting to far forward. Far enough in fact that last time I went off road my front pinion hit the oil pan

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[Belizean]

Driver side. 1st looking down from top

 

[Belizean]

Driver side from floor looking up. 1st is front, then middle, then back side looking a little forward

 

[Belizean]

Passenger side. First looking down from top.

 

[Manic Mechanic]

Thank you. I will compare them to mine in the morning. I really do appreciate it.

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[Belizean]

Passenger side. Floor looking up.

 

[RayDan]

I need some pictures of stock AMC 258 i6 / 4.2l inline 6 engine mounts and there location. (Both sides) Both frame mounts and engine mounts.

The issue is the motor is sitting to far forward (about fist width off the firewall) so I need to see what holes in the frame a factory setup is (mine has 6 holes in the frame and is currently in the forward 4 most) and the engine side in case they got swapped left to right in the past at some point.

Otherwise everything is factory including T-5 Transmission Dana 300 and drive shafts etc

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Here’s photos of my motor mounts, 99% sure this is stock 86 CJ7 with AMC 258 i6 / 4.2l and T-5 tranny.
Tape measure is from approximately center of large hole in frame right behind shock mount. Still has plastic valve cover and gives about 1” clearance to fire wall at base of valve cover (2” at top of valve cover).
Bolt pattern of motor mounts is different between driver and passenger side. Photos aren’t labeled but you can identify by differential housing.
Let me know if you need further photos.
RayDan

 

[Manic Mechanic]

From what I can see driver's side your in the front set of holes and passenger side your in the front and back set.

Here's mine I wonder if the frame mounts were switched (left to right) at some point. I merely put them back where they were when I installed the new motor. And yes the old AMC 258 i6 / 4.2l sat the same way.

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[RayDan]

From what I can see driver's side your in the front set of holes and passenger side your in the front and back set.

Here's mine I wonder if the frame mounts were switched (left to right) at some point. I merely put them back where they were when I installed the new motor. And yes the old AMC 258 i6 / 4.2l sat the same way.

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You may be right about mounts being switched side to side. Is there a bolt hole lined up for the missing 4th bolt on each side?
The passenger side mount is about 4 1/2” long where it meets the frame on top with a long relief dimple on top rear. Driver side mount is only about 3” long on top where it meets the frame. If they are the right mounts and on the right side they should both mount with 4 bolts. Front 4 holes on drivers side and 4 outside holes on passenger side ( with center holes empty).
I’ve included pictures on inside of frame mount also if it might help.
Also, in order for your motor to move rearward, your Transmission & Transfer Case will also need to move equally, so I’ve included pictures of my Transmission support/ belly pan for reference. Mine is an 86 T-5 so if different year or tranny that location might be different.
Didn’t take a picture but my valve cover to firewall is only about 2 fingers clearance with the plastic valve cover which is rounded on top back ( not as square as aluminum).
RayDan

 

[Manic Mechanic]

I will have to look tomorrow. But I don't think my ps is that wide TBH. I will also have to look at my skid plate.

These are the only pictures I have at the moment of it

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[Manic Mechanic]

Update. My mounts obviously didn't match yours. Found a customer of mine that had a spare set factory 6 cylinder frame mounts and they look identical to yours. I'm planning on beginning work this weekend including all new hardware. I've blasted the mounts and will be painting them soon. I'm hoping when I install them that they move my engine back to the correct location.

To answer an earlier question yes my current mounts line up with the bolt holes I'm just missing a bolt.

I'm leaning towards these being 4 cylinder mounts (I've had a 6 cylinder in it since I've owned it and the previous owner bought it with a 6 already in) when I swapped tranys about 15 years ago it had a T-4 but the clutch was the 4 cylinder spline count. I always assumed it was the wrong one. Now I'm beginning to think it was originally a 4 cylinder Jeep.

I will update soon but most likely in the old man emu YJ spring conversion thread as that's the major work I'm going to be doing.

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[Belizean]

I started out with a 4 cylinder. And they mount with different hardware than the 6 cylinder.

 

[Manic Mechanic]

Update.. see Old Man emu thread

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