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motor plate questions
#242124
03/03/09 05:30 PM
03/03/09 05:30 PM
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Joined: Jun 2003
Posts: 9,225
Charleston
sixpackgut
OP
Drag Week Mod Champion
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OP
Drag Week Mod Champion
Joined: Jun 2003
Posts: 9,225
Charleston
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is there a HP point where you should run a motor plate? my engine seems to be twisting too much lately and wondering about buying new mounts or plate it
Gen 3 power 6.22@110, 9.85@135
Follow @g3hemiswap on instagram
performance only racing, CRT, ultimate converter, superior design concepts, ThumperCarbs
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Re: motor plate questions
[Re: sixpackgut]
#242125
03/03/09 05:41 PM
03/03/09 05:41 PM
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Joined: Dec 2007
Posts: 10,542
BROOK PARK, OH
WILD BILL
Senior Member of the Junior Dragster Club
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Senior Member of the Junior Dragster Club
Joined: Dec 2007
Posts: 10,542
BROOK PARK, OH
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How about solid mounts or a limiter? 
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Re: motor plate questions
[Re: sixpackgut]
#242126
03/03/09 06:50 PM
03/03/09 06:50 PM
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Joined: Jan 2003
Posts: 13,357
Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,357
Marion, South Carolina [><]
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I'm not sure at what HP level one is mandatory, but I'd say around 600-650 hp it's a good idea. Once you use a plate you'll never want to use stock mounts again. At your power level I do think you need one.  CHIP
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
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Re: motor plate questions
[Re: sixpackgut]
#242127
03/03/09 06:53 PM
03/03/09 06:53 PM
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Joined: Dec 2004
Posts: 10,552
Rittman Ohio
fourgearsavoy
I Live Here
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I Live Here
Joined: Dec 2004
Posts: 10,552
Rittman Ohio
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Go with the AR Engineering one that AndyF makes  You will not find a better one PERIOD!!! Gus 
64 Plymouth Savoy
493 Indy EZ's by Nick at Compu-Flow
5-Speed Richmond faceplate Liberty box
Dana 60
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Re: motor plate questions
[Re: 70blackfish]
#242131
03/03/09 08:12 PM
03/03/09 08:12 PM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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Quote:
I was wondering the same thing, I have seen the motor mount ears on the block broken off.
I guess you could install the motor plate with the motor sitting on the motor mounts for locating it, then remove the mounts
The ears break off usually because they went to the
solid mounts and no limiters... the ears cant take
the fore and aft movement of the engine. Even with
a motor plate it is advised that you use limiters
to control the fore and aft movement
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Re: motor plate questions
[Re: MR_P_BODY]
#242132
03/03/09 08:24 PM
03/03/09 08:24 PM
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Anonymous
Unregistered
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Anonymous
Unregistered
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another vote for AndyF motorplate but my 581 hemi is still using stock motor mounts with 850 hp with no problems with a torque strap.
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Re: motor plate questions
#242133
03/03/09 11:40 PM
03/03/09 11:40 PM
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Joined: Jun 2003
Posts: 9,225
Charleston
sixpackgut
OP
Drag Week Mod Champion
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OP
Drag Week Mod Champion
Joined: Jun 2003
Posts: 9,225
Charleston
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Ari, thanks for the great pictures. i think i want to put on in. good point on the mount pulling on the cylinders too. it just seems like the engine is about to rotate around and scrape my six pack off the ground that plate looks nice and thick too 
Gen 3 power 6.22@110, 9.85@135
Follow @g3hemiswap on instagram
performance only racing, CRT, ultimate converter, superior design concepts, ThumperCarbs
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Re: motor plate questions
[Re: schwep]
#242141
03/04/09 06:43 PM
03/04/09 06:43 PM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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I have 2 threaded rods(1 on each side) attached to the mount ears then to the chassis, but I'm changing them this spring to a nicer set of heim ends on a rod.... mine look ugly now EDIT Some of the guys have been mounting the limiters on the 2 ears on the trans to the frame rails/chassis
Last edited by MR_P_BODY; 03/04/09 06:45 PM.
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Re: motor plate questions
[Re: sixpackgut]
#242142
03/04/09 06:54 PM
03/04/09 06:54 PM
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Joined: Jan 2003
Posts: 13,357
Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,357
Marion, South Carolina [><]
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I have a poly trans mount, no problems.
For the fore/aft limiter I used a Comp Engineering kit and attached one end of the rod to the trans crossmember w/ a 90* bracket and then attached the other end to the transmission case at the rear passenger's side corner just above the pan rail. CHIP
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
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what about trans mount? regular rubber or go poly?
