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Midplate is done

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Old Jan 8, 2021 | 11:04 PM
  #1  
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From: Manitoba
Car: '91 GTA
Engine: 421sbc
Transmission: Powerglide
Axle/Gears: Ford 9" with 3.89
Midplate is done

I finished up the midplate project
What a pain !

This is the midplate I used
https://www.summitracing.com/parts/cee-4031

Separating the trans and motor lots of times to fab the tabs and clearance the midplate.

The passenger side has lots of clearance.
The drivers side was tough, I thought about going with a longer plate and extending to the frame, but then I would have to put a bend on the plate



I decided to put it below the firewall

Since I have a front engine plate, with a kmember with no engine mounts, led me to this decision.

The thing that made it way easier was that I didn't have a kmember in the car, so lots more room.
I took out the rad, but never took the engine completely out of the bay, just moved it ahead as far as I can.

Finished product, but I still need to learn to weld properly



Now I can finally put the new tubular kmember and a-arms, but that's for another thread
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Old Feb 12, 2021 | 12:26 PM
  #2  
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From: Pittsburgh PA
Car: 89 Iroc-z
Engine: 555 BBC Turbo
Transmission: TH400
Axle/Gears: MWC 9” 3.00
Re: Midplate is done

Looks good
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Old Feb 12, 2021 | 10:17 PM
  #3  
LB9GTA's Avatar
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From: Manitoba
Car: '91 GTA
Engine: 421sbc
Transmission: Powerglide
Axle/Gears: Ford 9" with 3.89
Re: Midplate is done

I think if I ever had to do this again, I would use another plate instead.

This one might be a better choice.
https://www.motionraceworks.com/prod...rear-mid-plate

It has more "meat" to it, and would possibly work better, and possibly be able to weld the tabs higher than I did.



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Old Sep 17, 2021 | 01:40 PM
  #4  
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Re: Midplate is done

As I posted on your other thread I'm fitting mine now. I went low on the drivers side to the "frame" just like you did on the pass. side. I trimmed the pass side more after fitting, don't know if I can get the starter in and out with the plate, headers and stock K member that's in it now. My oil filter was tight before with my headers and evac tubes, I might have to trim the plate a little more on the drivers side. I still have the section with the hole in it intact.
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Old Dec 18, 2021 | 12:01 AM
  #5  
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From: Rgv, Texas
Car: 88 formula
Engine: Vortec 350
Transmission: 700r4
Axle/Gears: 3.42
Re: Midplate is done

Looks good. What's your midplate to center of rear end measurement? Thanks.
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Old Dec 19, 2021 | 07:54 PM
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Car: '91 GTA
Engine: 421sbc
Transmission: Powerglide
Axle/Gears: Ford 9" with 3.89
Re: Midplate is done

Sorry, I'm not understanding your question?
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