Mid plate mounting

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I have standard solid motor mounts so I hope I dont have to worry about that, one moroso solid and a custom passenger one due to my K member bring a /6, plus did a custom one to keep the engine level.
 
hangn0ut said:
What you all doing for fore and aft support? Those motor plates will flex.
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My fabricator and I made these up. They bolt in between the stock block mount ears with a very close fit to avoid breaking the ears off the block. Two more brackets are welded on to the frame rails towards the front of the motor. The longer one is the drivers side.

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oldkimmer said:
What do u guys do about the converter snout to crank bore now that the converter is spaced back. Thanks. Kim
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I may be wrong but just from my memory, the motorplate spacer has a precision bore that fits over the snout on the crankshaft flange.
The flex plate also goes onto this precision snout.
The converter snout fits inside of the precision bore inside the flex plate. Nothing is changed with the converter to flex plate arrangement. As was said that is the beauty of using a spacer behind the flex plate. You can change the converter without it being custom made.
I have to unbolt my trans from the motor shortly so I will take some pics and check this.
 
oldkimmer said:
Duane, Pics would be great. Thanks. Kim
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oldkimmer said:
Duane, Pics would be great. Thanks. Kim
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Ok so here are a few pics of my flex plate.
The comp engineering spacer is already in and you can see that the Mopar performance flex plate is just flush with the crankshaft pilot.
The other pic is my Turbo Action 8 inch converter. You can see that
The snout from the converter is just starting to engage the crankshaft and and the drive lugs are not yet touching the drive lugs. So there is plenty of engagement for everything to work properly.
However on close inspection the stock Mopar bolts with the spacer in there are in fact just a little short, and could be just a little longer.

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This kit comes from Slummit. I thinks it called a limiter kit. It's made for Cheeeeevies. You have to make it fit your Mopar. This install has run for 2 years,no problems. Engine does not flex foward or backward. Stops aluminum ears from cracking.

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hangn0ut said:
What you all doing for fore and aft support? Those motor plates will flex.
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I built two ajustable threaded 3/8 fore and aft struts for the 505 I have in my barracuda , but haven`t needed them due to lack of traction !
Much like the ones in the pic above, but a little simpler and liter------
 
famous bob said:
I built two ajustable threaded 3/8 fore and aft struts for the 505 I have in my barracuda , but haven`t needed them due to lack of traction !
Much like the ones in the pic above, but a little simpler and liter------
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I am glad you said 3/8. The ones we made up are also 3/8 and I was concerned that the size was a little on the small side.
I guess they will be ok. S&w sells a chrome moly kit that is 3/8 as well.
 
Duane said:
I am glad you said 3/8. The ones we made up are also 3/8 and I was concerned that the size was a little on the small side.
I guess they will be ok. S&w sells a chrome moly kit that is 3/8 as well.
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I know a guy that had a low 9 second duster that ran a 3/8 motor plate, stock rubber trans mount and "no" fore and aft limiters !
 
famous bob said:
I know a guy that had a low 9 second duster that ran a 3/8 motor plate, stock rubber trans mount and "no" fore and aft limiters !
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That is reassuring, I doubt my car will go low 9,s maybe low 10,s
Maybe high 9,s but I too have a 3/8 front plate, .090 thick mid plate, 2 3/8 aluminum limiters and a ploy trans mount. I think I will be fine.
 
famous bob said:
I know a guy that had a low 9 second duster that ran a 3/8 motor plate, stock rubber trans mount and "no" fore and aft limiters !
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I ran 8.90s with rubber spool mounts and only a piece of chain on the left side.
 
It’s not the best picture because it wasn’t done at this point but it gives you an idea. I tied mine into the stock frames.

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Duane said:
Ok so here are a few pics of my flex plate.
The comp engineering spacer is already in and you can see that the Mopar performance flex plate is just flush with the crankshaft pilot.
The other pic is my Turbo Action 8 inch converter. You can see that
The snout from the converter is just starting to engage the crankshaft and and the drive lugs are not yet touching the drive lugs. So there is plenty of engagement for everything to work properly.
However on close inspection the stock Mopar bolts with the spacer in there are in fact just a little short, and could be just a little longer.

View attachment 1715331414

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View attachment 1715331416
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Are those the flexplate bolts or the flywheel bolts?
 
In our dirt track stuff everybody uses stock front style steel mounts and a mid plate. Trans mounts are a no- no as they like to break trans cases.
 
440outlawdart said:
if you use a compition engineering mid plate it comes with the brackets and spacers behind flex plate,used a few of those works great,some trimming to the mid plate is needed for your application
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I will second this. And the comp engineering
Has the offset correct for an A body.
 
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