Does anyone have an engine or vehicle with factory 14B engine mounts? I'm trying to find out what angle Toyota put them on. I have some mounts coming for a different application and the Toyota angle would be a good place to start.
14B Engine Mounts (1 Viewer)
- Thread starter Dougal
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The engine mounts are vehicle specific, rather than engine specific; I'm not sure if the angle of the Coaster and Dyna mounts is the same.
I have a 3BII from a Land Cruiser and a 15B-T from a Mega Cruiser, both are the same block casting as a 14B. The Land Cruiser mount brackets are angled further from the block (larger angle) compared to the Mega Cruiser mounts. I have both to hand, so if I can find a protractor I can give you an estimate if it helps.
I have a 3BII from a Land Cruiser and a 15B-T from a Mega Cruiser, both are the same block casting as a 14B. The Land Cruiser mount brackets are angled further from the block (larger angle) compared to the Mega Cruiser mounts. I have both to hand, so if I can find a protractor I can give you an estimate if it helps.
- Thread starter
- #3
Yes indeed. The 14B aftermarket mounts I've got coming are Dyna/Dutro/Delta spec, I can appreciate landcruiser and Megacruiser being different.
But yes an angle estimate will be very helpful. I expect Megacruise to be closer to the trucks. I plan to make a test rig to measure mount stiffness at different angles and the Toyota angles will be a great place to start.
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Sorry that this is so late. I dug out the Mega Cruiser mounts and I was wrong - they are the same angle as the Land Cruiser.
At the top of the picture are the BJ60 mounts, at the bottom the BXD10 mounts. Left side are the LH engine mounts, i.e. the intake side on the B engines.
Angles are all the same.
Estimating the angle, I used a straight edge to estimate a triangle with base 110 mm and height 93 mm.
Which makes for an angle of approximately 50º off horizontal.
In case you are not familiar with the BJs; like the HJs they use another wedge piece under the rubber engine insulator to increase the angle off the horizontall. I can get photos of these too if it would be useful.
You can also see how uneven in length the two BJ60 mounts are - the engine is well off being parallel to the centre line of the vehicle. As I recall, the engine is mounted vertically.
HTH
EO
At the top of the picture are the BJ60 mounts, at the bottom the BXD10 mounts. Left side are the LH engine mounts, i.e. the intake side on the B engines.
Angles are all the same.
Estimating the angle, I used a straight edge to estimate a triangle with base 110 mm and height 93 mm.
Which makes for an angle of approximately 50º off horizontal.
In case you are not familiar with the BJs; like the HJs they use another wedge piece under the rubber engine insulator to increase the angle off the horizontall. I can get photos of these too if it would be useful.
You can also see how uneven in length the two BJ60 mounts are - the engine is well off being parallel to the centre line of the vehicle. As I recall, the engine is mounted vertically.
HTH
EO
- Thread starter
- #5
Perfect, thank you.
The mounting angle is very important and I want to be able to test them at the angle Toyota chose before finally cutting and welding up some brackets. My vehicle originally had mounts at 60 degrees which were far too soft in the vertical direction. The engine would give a secondary shake after a decent bump. I flattened the mounts out to 40 degrees and they're now too hard. The vertical shake is gone but too much vibration is transferred.
Isuzu used to run their truck mounts at 40 deg, but then steepened them up to 45 at some point. Interesting Toyota chose 50.
I can confirm that the 15BF l'm fitting to my 80 series chassis has the engine mount brackets at 50 degrees. The old 80 series chassis mounts were at 40 degrees which was the 1FZ petrol. I cut and changed them to be at 50 degrees.
