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TurboRA28
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Engine mount position/design question Mon, 13 June 2005 10:11 Go to next message
Hi all, this is in relation to the 3sgte rwd build im doing but instead of putting it in that thread wanted to start a new one to hopefully get some more views on it.

Is there any problem with the engine mount being bolted directly to the xmember, and not positioned up on an angle?

The red bits just indicate roughly the angle the bracket will be on.

See picture below...

http://img231.echo.cx/img231/6445/xmember2smountflushdrawmount4x.jpg

Cheers
Joel

[Updated on: Mon, 13 June 2005 10:16]

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CrUZsida
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Re: Engine mount position/design question Mon, 13 June 2005 10:41 Go to previous messageGo to next message
You mean how norbie did it?

Stock
http://conceptual.net.au/~peewee/uza61/IMG_3152.jpg

Norbiesque
http://norbie.net/Project2JZ/XMember/medium_RubberMounts04.jpg
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TurboRA28
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Re: Engine mount position/design question Mon, 13 June 2005 10:54 Go to previous messageGo to next message
Hmm yes kinda like that. Except I wouldn't have a boxed section under the mount, the mount would bolt straight through into the xmember.

But yeah like Norbie's picture there the mount is horizontal.
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TA-022
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Re: Engine mount position/design question Mon, 13 June 2005 11:43 Go to previous messageGo to next message
only thing i see may pose a threat to this method is how far the motor is goig to 'torque' as i say side to side under load.

with a \ _ / setup brackets fall in to a tapered position i guess. Where as the flat mount allows extreme side to side shifting should the mount rubber split / fail etc.

Dunno engines may not move in the manner i say here but this is just me thinking out loud.

And about the only threat i can imagine to such a setup.

Cheers

Nathan
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TurboRA28
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Re: Engine mount position/design question Mon, 13 June 2005 23:38 Go to previous messageGo to next message
Hmm yes I see what you are saying.. Anyone else able to comment on if i'm better to keep them at a \ / sorta angle? Or flat ok?
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ninja_86
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Re: Engine mount position/design question Tue, 14 June 2005 07:15 Go to previous messageGo to next message
falcons are mounted horizontally they dont really torque over that much even with the v8's, ford couriers/mazda b series utes also are mounted horizontally......and if you find that it does torque over too much you can put in stiffer mounts...
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oldcorollas
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Re: Engine mount position/design question Tue, 14 June 2005 08:28 Go to previous messageGo to next message
the difference will be the leverage on the bolts in the block...

if the mount is on a 45 deg angle, the same block weight is there, but there is less leverage on the bottom bolt...

i guess whaty i'm tryin to say is.. if the mount is angled, the engine will push the brackets into the rubber mounts...

if it's horizontal, you put a much greater tension on the bottom bolt.. tryin to pull it out of the block... whether this is an issue or not, i have no idea Wink

Cya, Stewart
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CrUZsida
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Re: Engine mount position/design question Tue, 14 June 2005 08:49 Go to previous messageGo to next message
Shouldn't be an issue.

7MGE's had horizontal mounts, where as 5MGE's had angled mounts.

Early 1UZ's had vertical mounts where as later ones had horizontal mounts.
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TurboRA28
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Re: Engine mount position/design question Tue, 14 June 2005 21:57 Go to previous messageGo to next message
So do you suggest using mounts that were intended to be mounted horizontal?
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TA-022
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Re: Engine mount position/design question Tue, 14 June 2005 22:48 Go to previous messageGo to next message
going by previous mention "hori" mounted vehicles, i guess it should be ok.

I would say yes to using mounts from a "hori" vehicle as such, as well as using upgraded / stronger bolts for mounting to overcome the potential issues on increased stress loads as explained by oldcorollas.



i wonder but if these "hori" mount vehicles have above norm engine bracing comparred to others?

GL

Nathan
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CrUZsida
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Re: Engine mount position/design question Wed, 15 June 2005 00:51 Go to previous messageGo to next message
TurboRA28 wrote on Wed, 15 June 2005 05:57

So do you suggest using mounts that were intended to be mounted horizontal?

It shouldn't make a difference providing the mount is properly braced.
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oldcorollas
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Re: Engine mount position/design question Wed, 15 June 2005 01:08 Go to previous messageGo to next message
CrUZsida wrote on Wed, 15 June 2005 10:51

TurboRA28 wrote on Wed, 15 June 2005 05:57

So do you suggest using mounts that were intended to be mounted horizontal?

It shouldn't make a difference providing the mount is properly braced.

agreed, it's easy to make a mount pretty bloody strong... and if ther eis little difference in block design between the two types of mounting (ie available on same block) it should be foine Very Happy
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M.W.P.
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Re: Engine mount position/design question Wed, 15 June 2005 03:52 Go to previous messageGo to next message
TurboRA28 wrote on Wed, 15 June 2005 07:27

So do you suggest using mounts that were intended to be mounted horizontal?


I would say yes to this...

The style mount that you have in the photo AFAIK is made to move in a sliding motion, not in a up/down motion.
Using one this way may mean the engine moves side to side in the engine bay a lot and not let it rotate on its axis a little like its meant to.
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TurboRA28
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Re: Engine mount position/design question Wed, 15 June 2005 04:02 Go to previous message
Thanks for all the info Smile

I'm thinking I might be best to put them on an angle. Little bit more work but then I can retain the standard mounts.

Cheers
Joel
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