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BB MOTORPLATE #2546436
09/05/18 11:03 PM
09/05/18 11:03 PM
Joined: Oct 2008
Posts: 1,176
East Coast
A
A/MP Offline OP
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A/MP  Offline OP
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Joined: Oct 2008
Posts: 1,176
East Coast
Anything to know when using a motorplate? Water pump? Balancer? Alternator? Pulleys? Anything else?

Re: BB MOTORPLATE [Re: A/MP] #2546446
09/05/18 11:31 PM
09/05/18 11:31 PM
Joined: Mar 2009
Posts: 2,457
Sydney,Australia
tex013 Offline
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Sydney,Australia
that is something for me as well .
I know you need limiters , fore & aft movement .
Andy does a plate and crank pulley spacer , Can you run a stock style alternator ? Low mount ? DMI show a low mount kit

I think Magnumforce do a high , left side , alternator mount .

sorry for the hijack

Tex

Last edited by tex013; 09/06/18 02:41 AM.

New best ET 10.259@129.65 .
New best MPH 130.32
Finally fitted a solid cam,
stepped it up a bit more
3690lbs through the mufflers
New World block 3780lbs 10.278@130.80 . Wowser 10.253@130.24 footbraking from 1500rpm
Power by Tex's Automotive
Re: BB MOTORPLATE [Re: tex013] #2546455
09/05/18 11:44 PM
09/05/18 11:44 PM
Joined: Dec 2004
Posts: 10,549
Rittman Ohio
fourgearsavoy Offline
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Rittman Ohio
You just need to got to AR Engineering and see all the cool stuff for motor plate installation. I just used the crank pulley spacer and the low mount alternator kit for the Denso alternator.

Gus beer


64 Plymouth Savoy
493 Indy EZ's by Nick at Compu-Flow
5-Speed Richmond faceplate Liberty box
Dana 60
Re: BB MOTORPLATE [Re: A/MP] #2546480
09/06/18 12:27 AM
09/06/18 12:27 AM
Joined: Aug 2003
Posts: 43,007
Bend,OR USA
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Cab_Burge Offline
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Bend,OR USA
I have the water pump housing machined the thickness of the plate or elephant ears so all the pulleys align properly up scope
I have not had to add a fore and aft travel limiter either using a stock tranny mount shruggy
That being said, maybe I should have work confused shruggy


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: BB MOTORPLATE [Re: A/MP] #2546505
09/06/18 01:09 AM
09/06/18 01:09 AM
Joined: Dec 2007
Posts: 12,587
Great Neck,LI,new york
hemi-itis Offline
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Great Neck,LI,new york
I never had the horizontal limiters.It seems fine with the thick motorplate and just the midplate.The motorplate also spaces my waterpump out giving me good clearance for the gear drive.I've seen some sanitary limiters from the trans to the trans crossmember.
If you are fabbing the engine plate & midplate at the same time,,,,,,set your engine back as far as you can!!


HEMI-ITIS has no cure.
My condition is fully BLOWN!!
Re: BB MOTORPLATE [Re: A/MP] #2546512
09/06/18 01:20 AM
09/06/18 01:20 AM
Joined: Dec 2007
Posts: 12,587
Great Neck,LI,new york
hemi-itis Offline
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Great Neck,LI,new york
I used this to low mount my full sized GM alternator.
https://www.jegs.com/i/JEGS/555/50542/10002/-1

4.10.12 039.jpg10.10.16 007.jpg11.16.16 009.jpg

HEMI-ITIS has no cure.
My condition is fully BLOWN!!
Re: BB MOTORPLATE [Re: hemi-itis] #2546516
09/06/18 01:30 AM
09/06/18 01:30 AM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
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Romeo MI
The limiters help a lot specially on a race car..
I ran just the motor plate and a mid plate and
it would bang the engine off the trans bushing
till it broke and it was pushing in on the trans
so I added the limiters.. was a big help and I
never broke another trans mount
wave

Re: BB MOTORPLATE [Re: A/MP] #2546593
09/06/18 10:24 AM
09/06/18 10:24 AM
Joined: Jan 2003
Posts: 13,319
Marion, South Carolina [><]
an8sec70cuda Online content
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an8sec70cuda  Online Content
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Marion, South Carolina [><]
Definitely need a fore-aft limiter of some sort. You can always leave one factory motor mount on it to act as a limiter. That's what I did on my B body...the passenger's side factory motor mount is easy to get to and not in the way of headers, so I left it there to serve as a limiter.
A midplate isn't a necessity, but they aren't a bad idea if you have room for one. I don't run one on my cuda.

Low mount alternator kit is the way to go. I use the DMI kit, but AndyF has some nice ones too.

Make sure your frame brackets are located BEHIND the motorplate.

I set my water pump housing up on the head surfacer and cut it down to offset some of the distance the motorplate spaced it out. Not necessary if you run an electric pump, but it helps w/ packaging if you run a big alternator and fan.


CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
Re: BB MOTORPLATE [Re: A/MP] #2546601
09/06/18 10:56 AM
09/06/18 10:56 AM
Joined: Mar 2006
Posts: 1,229
In The Hills
J
jughed Offline
pro stock
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In The Hills
Originally Posted By an8sec70cuda
Definitely need a fore-aft limiter of some sort.....

Make sure your frame brackets are located BEHIND the motorplate.
...


good advice!!!

I run the fore-aft limiter from the frame to the motor mount tabs on the block. there may be a better spot to mount it on the block or trans, but the options are limited with so little room.

Not sure which plate OP will be using, but another benefit to having the frame brackets behind the plate is that switching to a thicker plate won't push the motor back.

2016-05-11 13.42.00.jpg
Re: BB MOTORPLATE [Re: A/MP] #2546627
09/06/18 12:18 PM
09/06/18 12:18 PM
Joined: Jan 2004
Posts: 4,540
Motor City
6
6PKRTSE Offline
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Posts: 4,540
Motor City
I have both a front plate & a mid plate on my Challenger. I made some for/aft mounts to the trans cross member since there is do little room left in the engine bay with the Hemi & big tube headers.

Engine limiters.jpg

1963 Belvedere 440 Max Wedge Tribute
1970 Charger R/T S.E. 440 Six Pack
1970 Challenger R/T, 528 Hemi
1970 Charger 500 S.E. 440 4 BBL
1970 Plymouth Road Runner 383
1974 Chrysler New Yorker 440
1996 2500 RAM 488 V-10 4X4
2004 3500 Dually Cummins 4x4
2012 Challenger R/T Classic.
Re: BB MOTORPLATE [Re: A/MP] #2546858
09/06/18 07:38 PM
09/06/18 07:38 PM
Joined: Mar 2009
Posts: 2,457
Sydney,Australia
tex013 Offline
top fuel
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Joined: Mar 2009
Posts: 2,457
Sydney,Australia
Studs or bolts for waterpump / plate ?
Looks like studs would be easier for locating gaskets etc .
Does ARP do a kit ?
thanks

Tex


New best ET 10.259@129.65 .
New best MPH 130.32
Finally fitted a solid cam,
stepped it up a bit more
3690lbs through the mufflers
New World block 3780lbs 10.278@130.80 . Wowser 10.253@130.24 footbraking from 1500rpm
Power by Tex's Automotive
Re: BB MOTORPLATE [Re: tex013] #2546945
09/06/18 10:35 PM
09/06/18 10:35 PM
Joined: May 2004
Posts: 12,379
Taxes & Virus's R-US, NY
Dragula Offline
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Dragula  Offline
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Posts: 12,379
Taxes & Virus's R-US, NY
Tends to flop around a little if you don't bolt it down with all three holes in the bracket....like this.I also flattened out the other small bracket and use that as a backing plate behind the aluminum motor plate.


KIMG0462.JPGDSC02766_1.jpg
Last edited by Dragula; 09/06/18 10:36 PM.

'70 Cuda,...605 EFI Hemi Street Car (6.20 best pass, 1.33 60ft)
https://www.youtube.com/watch?v=WYw6RA-k5Bk (6.25 at 108.75mph from inside car)
https://www.youtube.com/watch?v=3zQEb9uxFng (6.25 at 108mph from outside car)
https://www.youtube.com/watch?v=JCvfzsC4NgM (9.9)

'66 Barracuda AWB Stretched nose Blown 440 Car in build stage

'71 Duster Drag Car 400 Low Deck 512 best 6.002 at 115.44mph
https://www.youtube.com/watch?v=Znuo3jMUXTk






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