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structure, chassis, rad core support question
#1757027
02/17/15 09:33 PM
02/17/15 09:33 PM
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Joined: Jun 2010
Posts: 591
Champion City
The Sphinx
OP
mopar
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OP
mopar
Joined: Jun 2010
Posts: 591
Champion City
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I'm building an early dart, the frame rails are already tied together and a 12 point cage is installed. I had to fab a new radiator core support with 1x1 square tube to move the radiator 3" forward and 1" down. In doing that I had to cut out the lower radiator support that ties the front of the frame rails together. My question is, do I need to replace it? The car is caged with bars going to the front rails plus the K frame is rigidly bolted into place. What's your thoughts?
Last edited by The Sphinx; 02/17/15 09:34 PM.
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Re: structure, chassis, rad core support question
[Re: Chad Bittle]
#1757031
02/18/15 12:31 AM
02/18/15 12:31 AM
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Joined: Nov 2009
Posts: 3,082
St. Paul , Mn.
tubtar
master
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master
Joined: Nov 2009
Posts: 3,082
St. Paul , Mn.
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Quote:
I would, motor plate and then another cross member.
The motor plate is a structural member , but my poorly expressed sentiment is that the stresses you would be putting on it without a rigid cross member in front of it would be tremendous.
When the idea is to stiffen up the chassis , removing key members is at a minimum counter productive.......and possibly dangerous.
Years back , there was a fellow with a newly finished Henry J at BIR......beautiful car.
He was expressing doubt about the rigidity of his radiator supports before his first lap in the car......a S/G ride.
I saw the puff of liquid at about 3/4 track before he got in the water and put the car on it's lid.
Moral of the story for me is if I have a doubt , I fix it.
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Re: structure, chassis, rad core support question
[Re: Chad Bittle]
#1757032
02/18/15 12:40 AM
02/18/15 12:40 AM
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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 would, motor plate and then another cross member.
Yep.. add the brace to the front... even with a motor
plate... it only makes the chassis more rigid which
is what you want
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