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Old 12-16-2005, 04:28 PM
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engine mounting plates

Can anyone explain how an engine mid-mounting plate is attached to the engine and trans? It seems like the same holes would be used for both so how would a trans or engine removal without the other work?

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Old 12-16-2005, 05:59 PM
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It goes between the engine and transmission.
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Old 12-17-2005, 10:42 AM
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You will need a catalog

From a motor sport racing suppler. Maybe www.jegs.com they use those in some racing application and go between the engine and trans.


Tazz
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Old 12-19-2005, 06:38 AM
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The Mid Plate Goes Between The Engine And Tranny. You Will Have To Seperate The Motor And Trans To Install One. Depending On The Car You May Be Able To Just Crack Them Apart If There Is Enough Clearance To Get It In Between. But In Most Cases You Will Have To Remove The Engine. If You Have A Stock Engine And Tranny This Will Probably Not Be Worth The The Effort. Some Other Mods May Have To Be Done As Well (i.e. Welding Brackets For It To Bolt To, Custom Cutting It Around Exhaust And Fitting It .) Curious As To Why You Need One?
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Old 12-19-2005, 06:43 AM
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2Cammer, if you use a front and mid plate you don't need a trans crossmember. Sounds a little weird at first, but that's how older cars are mounted. Most manufacturers didn't have a tailshaft trans mount until the 60s. Engines had front and mid mounts, with the "mid" mounts usually on the lower part of the bell housing. The early Dual Range Hydramatics had cast iron bell housings, but they were heavy beasts even compared to a TH400 or TF727!

The bell housing on a modern trans will hold up just fine hanging there. The only exception might be a really hard run four wheel drive with a transfer case. Banging the case on rocks combined with the weight of the case just hanging there might be to much!
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Old 12-19-2005, 10:11 AM
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Mid Motor Plate

Thanks to all. I know what a mid motor plate is...I was wondering how they are attached to the engine and trans? Supposedly, they provide support to engine/trans during removal/replacement instead of having to block up engine or trans.

What Iwould like to know is how the mid motor plate is secured to the engine if we remove the transmission and the same bolts secure the engine to the trans. Maybe there are dowel pins that hold and support the engine when the trans is not there and vice versa when engine is removed without the trans?
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Old 12-20-2005, 05:53 AM
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There are two dowel pins in the back of the block to align the transmission. They are long enough to extend through the plate and still align the trans, so yes -- they would support the block. The mid plate won't support the trans unless you leave a couple bell bolts part way in, side the engine forward, then put a couple more bolts (with nuts) in other holes.
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