Hey everyone,
I am seeing an issue with my B35 swap and wanted to see if anyone else had the same issue. I completed a B35 swap a few years back and have been overseas with my E30 up on blocks in storage while I was gone for 4 years. I got back and upon a thorough inspection (while looking at the steering rack I need to replace,) I noticed that the engine mounts had compressed significantly and the oil pan was resting on the subframe.
Has anyone seen this with their swap? Is there an issue with the weight of the M30 engine on the M20 mounts. I didn't think there was such a HUGE difference in weight that this would be an issue. Not to mention that everywhere I look on forums I see people using the M20 mounts.
I am trying to determine the best option moving forward, as I don't want this to happen again or have the engine start hitting the subframe while driving.
Options as I see it:
1) Continue using the already compressed mounts and either make or buy spacers (such as the ones sold at: Condor Speed Shop https://www.condorspeedshop.com/prod...gine-riser-kit )
2) Swap out the M20 mounts for another stiffer mount (possibly the E34 M30 mounts.) I have been trying to see what the thickness is between the M20 and M30 mounts, but have had little success. It looks like the M20 mounts are nominally 50mm thick, but I haven't been able to figure out the M30 mount thickness? Does anyone know if these are interchangeable?
3) Any other recommendations?
Details:
'89 E30 Cabrio Chassis
'91 E34 B35 engine
I'm using the commonly available and used mounts at position 3.
Completed this around 5 years ago, only got to drive for about 3 months before I went overseas, so it has been sitting for most of the time since. Drove great with about 10mm clearance when installed (if I can recall correctly)
I am currently leaning at just putting in the spacers initially, but was looking to see if anyone has seen this after a while with their swap.
Thanks,
Alex
I am seeing an issue with my B35 swap and wanted to see if anyone else had the same issue. I completed a B35 swap a few years back and have been overseas with my E30 up on blocks in storage while I was gone for 4 years. I got back and upon a thorough inspection (while looking at the steering rack I need to replace,) I noticed that the engine mounts had compressed significantly and the oil pan was resting on the subframe.
Has anyone seen this with their swap? Is there an issue with the weight of the M30 engine on the M20 mounts. I didn't think there was such a HUGE difference in weight that this would be an issue. Not to mention that everywhere I look on forums I see people using the M20 mounts.
I am trying to determine the best option moving forward, as I don't want this to happen again or have the engine start hitting the subframe while driving.
Options as I see it:
1) Continue using the already compressed mounts and either make or buy spacers (such as the ones sold at: Condor Speed Shop https://www.condorspeedshop.com/prod...gine-riser-kit )
2) Swap out the M20 mounts for another stiffer mount (possibly the E34 M30 mounts.) I have been trying to see what the thickness is between the M20 and M30 mounts, but have had little success. It looks like the M20 mounts are nominally 50mm thick, but I haven't been able to figure out the M30 mount thickness? Does anyone know if these are interchangeable?
3) Any other recommendations?
Details:
'89 E30 Cabrio Chassis
'91 E34 B35 engine
I'm using the commonly available and used mounts at position 3.
Completed this around 5 years ago, only got to drive for about 3 months before I went overseas, so it has been sitting for most of the time since. Drove great with about 10mm clearance when installed (if I can recall correctly)
I am currently leaning at just putting in the spacers initially, but was looking to see if anyone has seen this after a while with their swap.
Thanks,
Alex
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