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no st box brace OR motor mount-will i die? #1287196
08/18/12 02:59 AM
08/18/12 02:59 AM
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Posts: 168
Washington State, USA
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Winchester 73 Offline OP
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no brace on steering box on my dart and it has elephant ears for motor mounts.i hear all you guys talking about steering mounts flexing and such but most of you guys probly have a 600 lb chunk of iorn pressed against your steering box and i dont so will i die?and my next question is wouldent solid motor mounts make steering better on some of your cars?

Re: no st box brace OR motor mount-will i die? [Re: Winchester 73] #1287197
08/18/12 09:14 AM
08/18/12 09:14 AM
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ahy Offline
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The steering box brace and/or gusseted K frame makes the steering more precise... especially with larger tires and heavy cornering. It can also prevent long term cracking of the K. Still, I would consider it more a performance improvement than a safety improvement.

Is your car a drag car or converted drag car?

Re: no st box brace OR motor mount-will i die? [Re: Winchester 73] #1287198
08/18/12 12:20 PM
08/18/12 12:20 PM
Joined: Sep 2003
Posts: 1,688
Marlboro, NY, USA
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Rick_Ehrenberg Offline
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Quote:

no brace on steering box on my dart and it has elephant ears for motor mounts.i hear all you guys talking about steering mounts flexing and such but most of you guys probly have a 600 lb chunk of iorn pressed against your steering box and i dont so will i die?and my next question is wouldent solid motor mounts make steering better on some of your cars?




Interesting concept: Solid engine mounts reinforcing the K-member. Worth some investigating!

I know that when XV was engineering their stuff, they learned the the engine on rubber mounts actually made ride quality worse -- the engine would continue to bounce some after the car hit a bump.

Rick

Re: no st box brace OR motor mount-will i die? [Re: Rick_Ehrenberg] #1287199
08/18/12 03:51 PM
08/18/12 03:51 PM
Joined: Jan 2003
Posts: 28,068
Irving, TX
feets Offline
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It would probably take a little bit of triangulation to really steady the engine in the chassis.
3/8" plate steel will only do so much when it comes to stopping a heavy chunk of iron from wobbling around. The rubber trans mount will allow plenty of slop.


We are brothers and sisters doing time on the planet for better or worse. I'll take the better, if you don't mind.
- Stu Harmon
Re: no st box brace OR motor mount-will i die? [Re: Winchester 73] #1287200
08/18/12 07:05 PM
08/18/12 07:05 PM
Joined: Dec 2003
Posts: 22,696
Bitopia
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jcc Offline
If you can't dazzle em with diamonds..
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Play the lottery and.be sure your will is up to date.
Making the motor a partially stressed chassis component might have a few positives, but since it was not intended nor designed for the various forces different builders might conjur up in mointing schemes, i can't see the upside worth the risk.


Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.
Re: no st box brace OR motor mount-will i die? [Re: Rick_Ehrenberg] #1287201
08/19/12 11:46 PM
08/19/12 11:46 PM
Joined: Mar 2012
Posts: 168
Washington State, USA
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Winchester 73 Offline OP
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Quote:

Quote:

no brace on steering box on my dart and it has elephant ears for motor mounts.i hear all you guys talking about steering mounts flexing and such but most of you guys probly have a 600 lb chunk of iorn pressed against your steering box and i dont so will i die?and my next question is wouldent solid motor mounts make steering better on some of your cars?




Interesting concept: Solid engine mounts reinforcing the K-member. Worth some investigating!

i had a 440 in a street duster mounted with an eng plate and it shook at idle(cool )but it did always seem to me to ride great .

meybe the motor bouncing up and down on the rubber biscuits is whats failing k frames?

engines glued into the engine bay like mother mopar did is the type of thing i wish chevy did so i could make fun of it!



I know that when XV was engineering their stuff, they learned the the engine on rubber mounts actually made ride quality worse -- the engine would continue to bounce some after the car hit a bump.

Rick



Re: no st box brace OR motor mount-will i die? [Re: Winchester 73] #1287202
08/20/12 12:29 AM
08/20/12 12:29 AM
Joined: Jan 2003
Posts: 27,471
So Cal
autoxcuda Offline
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Quote:


i had a 440 in a street duster mounted with an eng plate and it shook at idle(cool )but it did always seem to me to ride great .

meybe the motor bouncing up and down on the rubber biscuits is whats failing k frames?






Show me all of these FAILED K-members. Most are from mistreatment or external things like rust.

I have broke a K-member. Just the LCA mount welds. It was 125% my fault. I overloaded the car way way beyond is GVWR, lowered the car, and didn't run bumpstop bushings.

Quote:

meybe the motor bouncing up and down on the rubber biscuits is whats failing k frames?

engines glued into the engine bay like mother mopar did is the type of thing i wish chevy did so i could make fun of it!




?? And Chevy's don't have rubber motor mounts??

They've got the same thing.

Re: no st box brace OR motor mount-will i die? [Re: autoxcuda] #1287203
08/20/12 05:02 PM
08/20/12 05:02 PM
Joined: Mar 2012
Posts: 168
Washington State, USA
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Winchester 73 Offline OP
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Winchester 73  Offline OP
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Joined: Mar 2012
Posts: 168
Washington State, USA
Quote:

Quote:


i had a 440 in a street duster mounted with an eng plate and it shook at idle(cool )but it did always seem to me to ride great .

meybe the motor bouncing up and down on the rubber biscuits is whats failing k frames?






Show me all of these FAILED K-members. Most are from mistreatment or external things like rust.

I have broke a K-member. Just the LCA mount welds. It was 125% my fault. I overloaded the car way way beyond is GVWR, lowered the car, and didn't run bumpstop bushings.

Quote:

meybe the motor bouncing up and down on the rubber biscuits is whats failing k frames?

engines glued into the engine bay like mother mopar did is the type of thing i wish chevy did so i could make fun of it!




?? And Chevy's don't have rubber motor mounts??

They've got the same thing.




http://www.bobschevelleparts.com/images/T/160293.jpg

heres a link to some 69/70 chevy mounts.notice the hooks of metal on the bottoms.junkyard guys no you dont have to remove motor mounts on a mopar to pull the engine-cut exaust and lift!not so with chevy or ford all the way back to the 40S

Re: no st box brace OR motor mount-will i die? [Re: Winchester 73] #1287204
08/21/12 03:07 AM
08/21/12 03:07 AM
Joined: Jan 2003
Posts: 27,471
So Cal
autoxcuda Offline
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Quote:

Quote:

Quote:


i had a 440 in a street duster mounted with an eng plate and it shook at idle(cool )but it did always seem to me to ride great .

meybe the motor bouncing up and down on the rubber biscuits is whats failing k frames?






Show me all of these FAILED K-members. Most are from mistreatment or external things like rust.

I have broke a K-member. Just the LCA mount welds. It was 125% my fault. I overloaded the car way way beyond is GVWR, lowered the car, and didn't run bumpstop bushings.

Quote:

meybe the motor bouncing up and down on the rubber biscuits is whats failing k frames?

engines glued into the engine bay like mother mopar did is the type of thing i wish chevy did so i could make fun of it!




?? And Chevy's don't have rubber motor mounts??

They've got the same thing.




http://www.bobschevelleparts.com/images/T/160293.jpg

heres a link to some 69/70 chevy mounts.notice the hooks of metal on the bottoms.junkyard guys no you dont have to remove motor mounts on a mopar to pull the engine-cut exaust and lift!not so with chevy or ford all the way back to the 40S




Not on a 73-76 A-body or 72 up B-body.

What about the mid sixes Nova that motor mounts would break and the car would accelerate forward? GM had to put straps to tie down the motors.

The A-body GM mounts have a fail safe interlock. That just takes over after the rest of the mount has completely failed.

Re: no st box brace OR motor mount-will i die? [Re: autoxcuda] #1287205
08/21/12 09:55 PM
08/21/12 09:55 PM
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Posts: 3,456
Fly Over States
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PHJ426 Offline
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Easy answer, you were born you will die eventually.

Will you die because of the steering box not being braced or motor mount...I doubt it.

In my younger years I even hacked up the K member more than it is from the factory and whacked some of the steering box mount and the 440 was mounted with elephant ears.

I drove the car on the street and I am typing this today. Car was on them skinny front runners and some large slicks and it had no problem driving on the street in the rain with no wipers either.

Granted I do things differently 20 years later....


Re: no st box brace OR motor mount-will i die? [Re: PHJ426] #1287206
08/21/12 11:38 PM
08/21/12 11:38 PM
Joined: Dec 2003
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jcc Offline
If you can't dazzle em with diamonds..
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Quote:


I drove the car on the street and I am typing this today. Car was on them skinny front runners and some large slicks and it had no problem driving on the street in the rain with no wipers either.

Granted I do things differently 20 years later....






You now type with 2 fingers?


Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.
Re: no st box brace OR motor mount-will i die? [Re: jcc] #1287207
08/24/12 07:55 PM
08/24/12 07:55 PM
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Fly Over States
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PHJ426 Offline
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@jcc - I suppose my typing skills have improved with the years. There are many things we all have learned and do better than we did 20, 30, 40 years ago.


Re: no st box brace OR motor mount-will i die? [Re: PHJ426] #1287208
08/24/12 09:37 PM
08/24/12 09:37 PM
Joined: Dec 2003
Posts: 22,696
Bitopia
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jcc Offline
If you can't dazzle em with diamonds..
jcc  Offline
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Joined: Dec 2003
Posts: 22,696
Bitopia
In the passing years, my forte seems to be inane sophomoric quips, or so they tell me.


Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.
Re: no st box brace OR motor mount-will i die? [Re: jcc] #1287209
08/24/12 10:54 PM
08/24/12 10:54 PM
Joined: Nov 2005
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Fly Over States
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PHJ426 Offline
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Quote:

In the passing years, my forte seems to be inane sophomoric quips, or so they tell me.





Nothing wrong with that.







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