shelby5041

seems everyone in these forums thinks the dorman 929-301 springs are heavy duty and giving people false information

i contacted dorman directly and i have the facts....the springs are standard duty and only 550lb load rating and only 5 1/2 inch arc

reference email sent to me from dorman today so please people stop giving false data....its not right......thank you

Sir,
I forwarded this request to the product manager this morning as there are no drawings of this spring in our file to get you an end to end measure as this is a copy of on OEM sample. I have found a listing for the Spring Rate stating 250KG which is 550LB. I will forward you more information when it becomes available.

Nicholas Paris
Asst. Product Manager/Tech-Line
Dorman Products
215-712-5012-Desk
215-712-5512-Fax
Toll Free 1-800-868-5777 EXT-5012

jay_sco

While you are emailing them directly, ask them to kindly revise their product information on their website then. Somewhat misleading.

t.mcginley.jr

Dang I was planning on ordering those exact ones too! I might still get them though, the reviews on Amazon are pretty good:



It's listed as the factory replacement for most of the trim levels, were HD springs a factory option or something?

JUSTANOTHER_1

I have them on my jeep, they ride ok. Brings it back to stock level. And for the price it hard to beat

LAF1269

Where in the last three of your threads (on exactly the same topic) did someone give you false data?

From what I've read in your threads, it looks like one poster stated that the Dorman was "heavy duty" based on the manufacturer's website, and one or two others claimed that they were equivalent to "up country" springs and gave one inch lift over stock on their Jeep (personal experience).

Dorman doesn't seem to know the answer either, and the email pretty much proves it. The manager couldn't even find a spec sheet for the spring, and appears to have just found a random listing with only a spring rate. It seems like the manufacturer would be able to provide data for their product, so I'm not surprised if the website is incorrect.

I personally wouldn't use Dorman or Crown unless I absolutely had to as I've never been overly impressed with any of their products.

rayar3

I just installed the Dorman 929-301 leaf springs with a set of Napa ZJ i6 4x4 springs 277-5360 (also listed as the same for the V8's) and this is the result:

t.mcginley.jr

Do you have a before picture?

Cane

you need to get over it, all you're doing in your previous threads is argue and complain.

the springs are advertised on their own website as heavy duty, so people trying to help you base their suggestion on that data. if you have an issue with that then tell that to dorman. it's good that the information is out there for people possibly considering buying them, but please stop being so condescending.

rayar3

Before: After:

18.5"-18.75" front and 18.25"-18.5" in the rear, +- 1/4". So from what I'm reading, UpCountry height. It's level as far as I can see, and the siding on the house is a good reference. I originally just replaced the rear leafs, and didn't realize the fronts sagged so much. Had a hell of a time finding Cherokee coils locally, so I reverted to the ZJ and it was an exact match.

camohunter01

i have a few things i need to do to mine as well, including replacing rear springs. doesn't take much of a load in the back to make it squat like crazy. if y'all have some suggestions for heavy duty ones, that would be great. I'm not asking for a lot of lift, but a couple inches, i won't complain

rayar3

If you want 1" over "stock" and HD springs, the Dormans on Amazon are hard to beat. They are HD. I added my pic to show that. It's all about spring rates in the end, not arch. If you're looking for a little more, the OME springs with a leaf removed would be a great option. I plan on going to a 2.5" OME kit in the spring, but I put these on to get me through the winter without having to do a bunch of other work.

shelby5041

dorman springs are not HD per dorman representative

quit giving false information

jay_sco

Here we go again.

rayar3

Yes, they are HD. There were a few different springs offered over the years and we all know Mopar loved to change part numbers. The Dorman springs are equivalent to Mopar 52000545AB. Jeep offered LD, SD, and HD springs over the years.

Here are the HD springs offered:

52000544
52000545
52000707
52002390
52002392

Look at that! Old 0545! Listed as HD! Sure, at 550lbs it's not the highest load rate available, it still falls into the HD category.

But I digress, if you want the highest spring rating, order 52002392AB. At over 700lbs spring rating, they were the last springs available for the Upcountry package, and should take care of you trunk full of tools issue.

You're welcome.

LAF1269

You have GOT to be trolling here.

Can you define "heavy duty" or "HD"?

You have an email from a Dorman assistant product manager that appears to not know **** about his product.

Rayar3 gave a personal experience (once again) of his experience with the product, along with measurements and photos. His experience shows that the springs are higher than stock, and roughly compatible with ZJ coils. This gives the indication that they may be somewhat more "heavy duty" than a stock spring.

Accurate personal experience with a product is not false information.