How To Install Madman Motor Plate - LS1TECH

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How To Install Madman Motor Plate

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Old 04-25-2006, 11:09 AM   #1
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Default How To Install Madman Motor Plate

Ok, this may be a stupid question...but I searched and came up with very little.

I got my Madman/TR motor plate kit in. It comes with 2 plates (one per side), 2 J-brackets, 4 bolts, 4 nuts, and some washers.

Now obviously the plate goes on under the water pump and the 'ears' on the plate sit on the frame rails.

What do you do with the J-brackets? All I can figure is they bolt to the side of the frame rails and hold the 'ears' on the plate. Like in the picture below.

Is there a write-up on how to do this install? I have forward facing manifolds, how much is ok to cut out of the plate?

Thanks,
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How To Install Madman Motor Plate-motorplate.jpg  
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Old 04-25-2006, 12:07 PM   #2
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The j brackets weld to the frame rail behind the motorplate. The motorplate bolts to the brackets. You can trim the plates quite a bit. I wouldnt cut them any smaller than 3 " across.
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Old 04-25-2006, 12:09 PM   #3
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Ahh, that makes more sense. Thanks Madman.

I will post pictures when I get this finished.
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Old 04-25-2006, 10:06 PM   #4
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Madman do you need a midplate for this setup??? I've been tossing the motorplate idea back and forth but all my buddies were telling me that a front plate isn't enough and you HAVE to run a midplate as well.....

Any truth to this????
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Old 04-25-2006, 10:54 PM   #5
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i know of several guys that run just the motor plate. having both would be an advantage, i had a motor plate setup but decided to sell it to keep my car a little more "streetable" for the time being until i go turbo in a year or two then motor plate etc go in the car.
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Old 04-26-2006, 12:37 AM   #6
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anyone sell a midplate setup for our car or is it something you could fab up Madman????? I'd sure like to be able to remove the engine and leave the tranny in place... that'd be shweet....
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Old 04-26-2006, 06:13 AM   #7
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I have midplates also in stock. They require a little more work due to all the different headers out.
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Old 04-26-2006, 06:46 AM   #8
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he's running a forward facing manifolds for the turbo setup so the mid plate shouldn't interfere with those right? when you run the mid plate you do you have to have a different size spacer on the converter or anything like that?
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Old 04-26-2006, 06:50 AM   #9
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My midplate is .100 thick. Most convertors have enough engagement. It should be checked though. Usually you will have to space the convertor to the flexplate some.
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Old 04-26-2006, 11:37 AM   #10
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I guess that's a steel Midplate? Either way, however thick the midplate is the converter needs to be shimmed also. If the Midplate is installing between the motor and tranny. Good rule of thumb is the converter should come out of the tranny .080-.120"
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Old 04-27-2006, 04:42 AM   #11
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Is the motor plate set-up you sale enough for a big power car? Just seems to me that the front plates wouldnt keep the motor from twisting (being mounted under the water pump), and the midplate seems thin, I could easily be wrong. Thanks
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Old 04-27-2006, 06:21 AM   #12
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I have cars with over 1500hp running these plates. Big Ricks turbo LT1 runs my plates and Brady has had 3 cars with them.
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Old 04-27-2006, 11:52 PM   #13
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Quote:
Originally Posted by MADMAN
I have cars with over 1500hp running these plates. Big Ricks turbo LT1 runs my plates and Brady has had 3 cars with them.
Sounds good to me .
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Old 04-30-2006, 07:28 AM   #14
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Quote:
Originally Posted by MADMAN
I have midplates also in stock. They require a little more work due to all the different headers out.
I will be ordering the motor plate along with the midplate... but I can't seem to find the midplate on your webpage? Thanks

Andre
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Old 04-30-2006, 12:39 PM   #15
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They are on Thunders site under Madman parts.
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Old 05-01-2006, 05:32 AM   #16
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Quote:
Originally Posted by MADMAN
They are on Thunders site under Madman parts.
I would rather buy it from you directly... is that not possible?

Thanks!
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Old 05-01-2006, 05:57 AM   #17
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My shop is in Thunders Building.
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Old 05-03-2006, 10:31 PM   #18
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i just sold my old motor plate setup (not madman's) and i'm already thinking about getting a madman setup for my car, just can't decide between that and solid mounts. can't say enough about Madman's parts and service though, you guys should definatly look into his parts.
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Old 05-12-2006, 11:59 PM   #19
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Madman...using your motorplate, can I lower the engine about 1" or so? Or is there a whole slew of other stuff that prevents that? (considering I have the room b/w the pan and K member of course).

Charlie
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Old 05-13-2006, 08:48 AM   #20
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You can mount the engine where ever you want to. Just remember the headers etc get closer to the ground.
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