BenB
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| posted on 14/1/08 at 06:05 PM |
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Engine mount design
Do the bolts normally go straight through the engine cradle into the engine?
On the STM cradle the square section tube is welded onto circular tube that has a polybush and crush tube in it. Then the bolt is attached through the
polybush into the engine. I can't really see any advantage. The other end of the mount is on a big chunky rs2000 engine mount rubber doughnut.
It's not as if the engine is going to be rotating much. Or is it?!?!? Confusing...
I'm re-designing the mount and I can't see why I can't just drill a hole through the square section cradle and put a bolt through it
with washers either side (with a bit of copper slip to allow some initial rotation)..... Is it normal to have polybushes on the engine mount and big
rubber engine mount doughnuts??
Or am I missing something!!
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bigrich
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| posted on 14/1/08 at 07:28 PM |
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my cradle is bushed where it joins the chassis and bolts to the engine solidly through welded tubes on the cradle.
I believe that MK solidly mount to the chassis aswell as the engine without any vibration problems that i have heard of, so your rubber mounts could
go without issue
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A pint for the gent and a white wine/fruit based drink for the lady. Those are the rules
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jacko
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| posted on 14/1/08 at 08:14 PM |
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Hi if you look at Roadrunners photos on here under zx9 engine you will see how i did his engine cradle solid fix like MK
Jacko
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tks
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| posted on 14/1/08 at 08:16 PM |
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rubbers are for safe s** not for BEC  engine mounts as far as i reckon
Tks
p.d. sorry for being that direct 
The above comments are always meant to be from the above persons perspective.
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BenB
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| posted on 14/1/08 at 10:23 PM |
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I was planning on keeping the rubbers and getting rid of the polybushes
Oh well! Time for plan B!!
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