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Re: Sub Frame Connectors [Re: lockjaw-express] #2281105
04/02/17 08:28 PM
04/02/17 08:28 PM
Joined: Dec 2007
Posts: 18,153
Mass
DAYCLONA Offline
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DAYCLONA  Offline
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Joined: Dec 2007
Posts: 18,153
Mass
Originally Posted By lockjaw-express


If my frame rail connectors fit as bad as some have stated, I would have fit rectangular tubing, and cut a slot for welding to the floor.


Mark



Thru the floor is the only true way to do them for maximum chassis rigidity, but most Mopar guys are "afraid" to cut the floor

Re: Sub Frame Connectors [Re: frank] #2281328
04/03/17 02:11 AM
04/03/17 02:11 AM
Joined: Jan 2004
Posts: 8,193
fredericksburg,va
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cudaman1969 Offline
master
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fredericksburg,va
When cutting the floor do what I did on the Duster, cut 1/2-3/4 inch less than the connector. Use the HF air duck pliers for doing seams, or just vise grips, bend up a lip to allow for connector to be fitted, don't have to be pretty. After connector is installed use a piece of angle iron, clamped to the connector underneath, peen the floor back to the connector, it'll be straight with the angle iron, then tack weld and hammer it down as you move along the cut. No gaps and easy to weld. I'll flip the car over tomorrow and tak some pics, just finished tiging the semi-cage today too.

Re: Sub Frame Connectors [Re: MidPenMopar] #2281367
04/03/17 08:05 AM
04/03/17 08:05 AM
Joined: Jul 2007
Posts: 732
eastern,Ky
70RT Charger Offline
super stock
70RT Charger  Offline
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Joined: Jul 2007
Posts: 732
eastern,Ky
Originally Posted By MidPenMopar
Here are my homemade subframe connectors on the 69 road runner.
I like em. I also made my own several years ago before the US car tool ones came out. I didn't like what was offered on the market at the time so I used 2x3 tubular .120 thick steel.

IMG_1012.JPG
Re: Sub Frame Connectors [Re: frank] #2281507
04/03/17 01:16 PM
04/03/17 01:16 PM
Joined: Jan 2011
Posts: 15,713
Central Florida
larrymopar360 Offline
Stud Muffin
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Stud Muffin

Joined: Jan 2011
Posts: 15,713
Central Florida
MidPenMopar and 70RT Charger: I wish I had your talent. That's the way to go; make your own. Yours look good. I need a set for my '89 Diplomat Police car with a 410 small block. Although it doesn't seem to flex I'd like to have them. Obviously nobody makes them for this car.


Facts are stubborn things.
Re: Sub Frame Connectors [Re: larrymopar360] #2281565
04/03/17 02:35 PM
04/03/17 02:35 PM
Joined: Jan 2003
Posts: 16,376
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dogdays Offline
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2 X 3 0.120 wall is a really good choice. I don't think you gain much by going heavier or larger. Plus, it's much easier to get good penetration when the pieces being welded are close in thickness.
The last picture looks to be a really clean installation. But, they need paint. Otherwise the job looks half-done.

R.

Re: Sub Frame Connectors [Re: frank] #2281733
04/03/17 05:23 PM
04/03/17 05:23 PM
Joined: Oct 2005
Posts: 8,828
Ontario, Canada
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Stanton Offline
Don't question me!
Stanton  Offline
Don't question me!
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Joined: Oct 2005
Posts: 8,828
Ontario, Canada
Quote:
But, they need paint. Otherwise the job looks half-done.


That looks like undercoating or bed liner to me.

Re: Sub Frame Connectors [Re: Stanton] #2281930
04/03/17 11:49 PM
04/03/17 11:49 PM
Joined: Jul 2007
Posts: 732
eastern,Ky
70RT Charger Offline
super stock
70RT Charger  Offline
super stock

Joined: Jul 2007
Posts: 732
eastern,Ky
Are you sure he was talking about me lol. Thanks for the compliments. Yeah I think I got the idea from here years ago and yes it is Bedliner.

IMG_1026.JPG
Re: Sub Frame Connectors [Re: Kern Dog] #2282777
04/05/17 12:45 PM
04/05/17 12:45 PM
Joined: Dec 2016
Posts: 381
Ottawa, Ontario
L.R Helbling Offline
enthusiast
L.R Helbling  Offline
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Joined: Dec 2016
Posts: 381
Ottawa, Ontario
Originally Posted By Frankenduster
Try opening the doors in a unibody car with it on jack stands.
The engine, radiator, battery and suspension weigh a lot. The front frame rails are designed to resist compression, not extension. When the car is bare, that is 900 or more pounds NOT pulling down on the cantilevered frame rails.
My 70 Charger has no rust anywhere and has never been wrecked but the body gaps did change with it on a 2 post lift. Not a dramatic change but it was enough to cause the doors to drag a bit when opening and closing.
iagree Opening and closing a 2 door coupe will have noticeable differences in the way the doors close on the striker pins when using axle stands on the frame. The stands aren't that far from the wheels on each end of the car but opening and closing a door, you can see how far out from perfect alignment the car is due to stretching metal when it's hung.

Re: Sub Frame Connectors [Re: L.R Helbling] #2282912
04/05/17 04:20 PM
04/05/17 04:20 PM
Joined: Jan 2003
Posts: 16,376
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dogdays Offline
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I was talking about the pix from MidPenMopar. The installation looks very good, to me it just needs paint. And bedliner will do the trick too, nice reminder.

R.

Re: Sub Frame Connectors [Re: dogdays] #2282920
04/05/17 04:39 PM
04/05/17 04:39 PM
Joined: Jul 2007
Posts: 732
eastern,Ky
70RT Charger Offline
super stock
70RT Charger  Offline
super stock

Joined: Jul 2007
Posts: 732
eastern,Ky
Originally Posted By dogdays
I was talking about the pix from MidPenMopar. The installation looks very good, to me it just needs paint. And bedliner will do the trick too, nice reminder.

R.
Yeah I kind of wished I would have painted mine.Nothing to hide I was just thinking about extra protection at the time.

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