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Re: Springs moved inside frame
[Re: jamesc]
#1197180
03/15/12 01:48 PM
03/15/12 01:48 PM
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Joined: Jan 2004
Posts: 4,573
Motor City
6PKRTSE
master
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master
Joined: Jan 2004
Posts: 4,573
Motor City
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My Challenger was done like this when I first got it. Total hack job, way over done though with 2x4" box tubing. All of the factory everything was still left intact. Knowing I was cutting it all out & going with Caltracs & just a standard relocation kit anyway it was no big deal to me to fix correctly.
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.
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Re: Springs moved inside frame
[Re: Cab_Burge]
#1197183
03/15/12 03:31 PM
03/15/12 03:31 PM
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Joined: May 2004
Posts: 3,210
robin hood country
deaks
master
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master
Joined: May 2004
Posts: 3,210
robin hood country
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Somebody else posted pics on here before of inboarded springs inside the chassis rails but they were done in a professional manner, they also sectioned the chassis rails for more tyre clearance
That is an accident waiting to happen.
Mick
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200#
best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft
best 60ft 1.36
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Re: Springs moved inside frame
[Re: correctdirection]
#1197184
03/15/12 04:36 PM
03/15/12 04:36 PM
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Joined: Jul 2003
Posts: 3,378
Rancho Cordova, CA
Exit1965
master
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master
Joined: Jul 2003
Posts: 3,378
Rancho Cordova, CA
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Funny everyone saying what a disaster this is, when the car runs mid 11s. And presumably the metal is not warping or the welds cracking.
Maybe the guy got lucky, or maybe his work is fine. It is working to run mid 11s after all.
Some people on these forums post pics of work done that others poo poo, and we have seen that this prevents more people from posting pictures of work that people would disagree with (that is different from "normal"). So there are more people out there doing things differently than we hear about, I guess they don't post to avoid people screaming about what a disaster their work is.
I'd like to see those people explain why this design is actually unsafe-- knowing how much weight/force is on each of the 4 involved weight-bearing areas of the rearend (the front and rear hangers on each side), and that a properly welded bracket of sufficiently sized steel would fail under those forces. We cannot actually see how the front hanger bracket is attached to the frame, so that is an unknown.
It's not hard to put new boxes in to relocate the springs into the rails if you agree it's a disaster. This alone is not a reason not to buy the car IMO.
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Re: Springs moved inside frame
[Re: Exit1965]
#1197187
03/15/12 10:37 PM
03/15/12 10:37 PM
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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'd like to see those people explain why this design is actually unsafe-- knowing how much weight/force is on each of the 4 involved weight-bearing areas of the rearend (the front and rear hangers on each side), and that a properly welded bracket of sufficiently sized steel would fail under those forces. We cannot actually see how the front hanger bracket is attached to the frame, so that is an unknown.
Suspending the weight is not the problem , as you probably know.
The forces from accelerating are where I get worried.
The front spring mount does not appear to be all that sturdy , and that is where it will go south.
Where you say it hasn't broken , I can only add " yet ".
This is not cool. 
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Re: Springs moved inside frame
[Re: Exit1965]
#1197189
03/16/12 11:54 AM
03/16/12 11:54 AM
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Joined: Jan 2003
Posts: 5,875
communist bloc of new jersey
jamesc
master
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master
Joined: Jan 2003
Posts: 5,875
communist bloc of new jersey
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Quote:
Funny everyone saying what a disaster this is, when the car runs mid 11s.
so that's your criteria for chassis safety? i mean those front mounts only hold the rear axle in and absorb all the driving forces. it would run mid 11s if you drove it off a cliff too that doesn't mean it's a good idea. that is a flat out mess to put it mildly. i'm not saying it should stop someone from buying the car if the price is right. the OP came here and asked for input because he had concerns (and rightly so), imho that job needs to be redone but to each his own.
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Re: Springs moved inside frame
[Re: Exit1965]
#1197191
03/16/12 12:18 PM
03/16/12 12:18 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'd like to see those people explain why this design is actually unsafe-- knowing how much weight/force is on each of the 4 involved weight-bearing areas of the rearend (the front and rear hangers on each side), and that a properly welded bracket of sufficiently sized steel would fail under those forces. This design is going to have flex... being that the load is applied to 1 side... flex ends up causing cracks and failure... if its boxed with a gusset applied to the edge and running to the frame it will spread the load and keep it from flexing.... also flex adds in binding which can change all the time and makes it(the car) less consistent.... there is a magic word in chassis building... triangulation 
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Re: Springs moved inside frame
[Re: Exit1965]
#1197192
03/16/12 12:21 PM
03/16/12 12:21 PM
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Joined: Jan 2003
Posts: 75,069
U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,069
U.S.S.A.
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Quote:
Funny everyone saying what a disaster this is, when the car runs mid 11s. And presumably the metal is not warping or the welds cracking.
Want to IMPRESS people with that hack job ... what does it 60ft and with what type of tires ?
One can throw enough HP into anything and get it to run mid 11's with an unimpressive 60ft .
You must be connected with the builder to take such offense to the concenus of those that replied ...
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If it is the rear and looks like this it is probally okay 
To start with the rear shackles should be angled to the rear from the top hangar to the leaf spring, like in my picture 
I would move it into the rear sub frames for safety sake 
for putting the fuel line right there to. That way when it breaks loose and grinds on the pavement in a shower of sparks, he'll be able to keep a good fire going.
