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Android287
GenIII
1/31/2007
11:33:56
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 Subject: Torsion Bar Differences
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Message:
Is there a difference in torsion bar strength or thickness by year or make (dakota/durango)? I have a 2003 4x4 4.7 and my torsion bars are maxed. The front still sits lower than the rear. I know the v8's have different torsion bars than the v6ers. What i'm asking is if there is a way to swap out some t-bars to make my truck sit level?
Nothing flows like a straight pipe
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Kowalski
GenIII
1/31/2007
13:44:47
| RE: Torsion Bar Differences
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I recall a post some time ago claiming Durango torsion bars will fit and are beefier, but it wasn't very specific - they could have been comparing v8 Durango bars to v6 Dakota bars for all I know. Something you might want to look into anyway, be nice if anyone could verify that.
Lead, follow, or get out of the way
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SteveJ
Dodge Dakota
JOIN HERE
1/31/2007
14:26:24
| RE: Torsion Bar Differences
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That was me.
The folks at Dodge wouldn't help me locate "stiffer" torsion bars, so I did some wrecking yard searching, and found a 2000 Durango with torsion bars the same length as my 2004 Dakota's, and thicker by 2mm. That doesn't seem like much difference, but the ride quality and handling is much improved.
When I removed the Dakota bars, I counted the number of full turns it took to remove the adjuster bolt. The Durango bars required 4 less turns for a 1 inch lift over stock.
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Android287
GenIII
1/31/2007
14:30:34
| RE: Torsion Bar Differences
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Message:
Thankyou SteveJ, What engine do you have in your 2004, and what body style is it? What about the durango, do you know what engine was in it? I would like to get as much info as possible to hopefully get a part number.
Nothing flows like a straight pipe
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Kowalski
GenIII
1/31/2007
16:27:36
|  RE: Torsion Bar Differences
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Steve J - we still don't know what was stock in your truck - is this a v8 Dakota you are talking about ?
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SteveJ
Dodge Dakota
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1/31/2007
22:53:27
| RE: Torsion Bar Differences
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Oops. More info would be helpful.
It's a 2004 extended cab 4.7L 4x4 with automatic transmission.
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SteveJ
Dodge Dakota
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1/31/2007
23:30:13
| RE: Torsion Bar Differences
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Not sure what engine was in the Durango - it had been pulled already.
Tomorrow I'll look under the beast and see if the part number tags are still on the bars I got from the Durango.
Meanwhile, here’s something:
If the parts manual is correct, the 2000 Durango was offered with either the 4.7 or the 5.9 engine, with only one set of torsion bars offered.
Part numbers:
Right - 52106 644AA
Left - 52106 645AA
When I went to the wrecking yard, all I knew was existing bar length and diameter, and that I wanted something thicker. The new body style Durango still uses torsion bars. They’re 34mm dia, but way too long.
My original bars were 28mm and the Durango bars are 30mm.
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Kowalski
GenIII
2/01/2007
07:29:22
| RE: Torsion Bar Differences
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Message:
Thanks for the clarification ! Very useful info.
Lead, follow, or get out of the way
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Android287
GenIII
2/01/2007
18:18:07
| RE: Torsion Bar Differences
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Message:
Thankyou Steve
Nothing flows like a straight pipe
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SteveJ
Dodge Dakota
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2/01/2007
18:42:37
| RE: Torsion Bar Differences
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Just got back from work and looked under, and the part number tags were still stuck to the Durango bars.
The numbers match those I listed above.
Left side was 52106 645AA
Right side was 52106 644AA
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calikota
Dodge Dakota
JOIN HERE
2/12/2007
02:08:03
| RE: Torsion Bar Differences
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Message:
So would these work on a 3.7 04?
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Kowalski
GenIII
2/12/2007
09:32:51
| RE: Torsion Bar Differences
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For a 4x4, yes; but the difference in ride (stiffer) would be greater with your your lighter motor.
Lead, follow, or get out of the way
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calikota
Dodge Dakota
JOIN HERE
2/12/2007
12:22:57
| RE: Torsion Bar Differences
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Message:
Yeah its for 4x4. Thanks for the info. I just noticed the other day that it seems to be sagging again. I've cranked them previously, just worried about putting even more stress on them. I haven't cranked them all the way, but I figured this might not be a good idea. Any thoughts?
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Android287
GenIII
2/12/2007
19:10:57
| RE: Torsion Bar Differences
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Message:
I'll be doing mine this spring when we see 60 again here in MA.
Nothing flows like a straight pipe
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DLJ
Dodge Dakota
JOIN HERE
10/30/2015
07:12:28
| RE: Torsion Bar Differences
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Message:
Might be a little late but I own a 99 V8
5.2 Dakota extended cab 4x2 and Im pretty
sure its Got a heavy duty 2000 LB set of
torsion bars that makes ride on bumpy
streets real harsh and that is the only
thing I dont like besides fuel consuption.
I can tell because I had owned a V6 3.9
previously and I just loved the smooth
ride on that truck. After some research I
managed to buy a pair of torsion bars
from a V6 and replaced on my V8. I can
tell it runs smoother now but still I
think my old V6 was smoother. Thickness on
bars were the Same 28mm but codes stamped
on the bars just dont make sense. Just
Wonder if there is a way of telling a
standard 1,450 LB torsion bar from a 2,000
LB heavy duty bar by the codes stamped on
them.
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mr_tiggy
Dodge Dakota
JOIN HERE
3/15/2019
15:43:52
| RE: Torsion Bar Differences
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Message:
So it would make sense to me that from looking at the part numbers for the torsion bars the 1450's would be 52106640AA and 52106641AA, the 2000's would be 52106642AA, 52106643AA and the Durango's would be heavier yet being part numbers 52106644AA and 52106645AA
what do you think?
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