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Best ball joint service kit

giacomo.m

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Sep 26, 2014
Messages
14
Hi all,
for Chrysler/Jeep in particular what is the best Ball Joint Service Kits between these two brands ?

- 8031 OTC Tools
- Snap-On BJP1
pros and cons ?
thank you

Giacomo
 
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3 Gun Shooter

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Jan 29, 2015
Messages
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The OTC set is ok, but Snap On added the extra details like able to lock the adaptors on the press. If it is for personal use and have an extra set on hands the OTC set is OK. Fulltime doing suspension in a shop, set up to Snap On.
 

Skin

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Feb 24, 2010
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11,713
Location
Boston
BJP1, adapters lock in place and the C-Frame press is probably the best you'll ever find but spending ~$500 (more if you need the adapter update kit) to do a vehicle or two really doesn't make sense. The OTC kits are perfectly serviceable and are also nice quality. Their kit/press has been the go-to for most shops for decades.
 
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platform389

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Joined
Nov 18, 2011
Messages
107
BJP1, adapters lock in place and the C-Frame press is probably the best you'll ever find but spending ~$500 (more if you need the adapter update kit) to do a vehicle or two really doesn't make sense. The OTC kits are perfectly serviceable and are also nice quality. Their kit/press has been the go-to for most shops for decades.

Except the OTC is prone to bending. Last one I borrowed from Auto Zone had led a hard life. The ram was so far off I had to use a deep well impact socket and large bolt to push with. The cups would not center properly because of the induced offset from the bending.
 

mcmtech

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Feb 12, 2014
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New Orleans, La
I've got the Astro set at home, works fine for an occasional one at home, it's basically an Otc clone, use it properly and it should last quite a while and not bend. At work the snap on one is amazing but like others said, expensive and overkill for occasional home use.
 

Astro_Pneumatic_Tools

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Oct 30, 2013
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South El Monte
OP, if you can bend our C clamp, I'll buy you a beer.

Not saying it can't be done, just that you'll need a beer by the time you're done trying.


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170-3tree

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Feb 19, 2016
Messages
60
My shop has the OTC set. I absolutely hate it. It's been neglected and you have to guess on your arrangement for certain vehicles. The bjp1 is what I learned on and has instructions on exactly what is used for what. It also has a ujoint setup, which you'll want eventually on that Jeep.

(First post, couldn't find community section)
 

owenst7

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Oct 19, 2011
Messages
632
Location
Anchorage/Reno
I used a HF press kit for years. Made many times over what I paid for it. I finally broke it using an impact on it because I was struggling with the breaker bar (I even said, "This is probably dumb," first Haha).

I bought a used BJP1 for $400 on eBay after that. Strength aside, the BJP1 just works a hell of a lot better due to the adapters. Also, the standard presses are not wide enough to do 1480 ujoints, whereas the BJP1 is a few inches wider than it would need to be.

Personally, since you can rent them for free from any parts store, I'd probably just rent one until I saved enough for the BJP1 if I were to do it all over again. If you are far away from a parts store, though, I could see buying an Astro or OTC or something. The HF isn't covered by their warranty, so I wouldn't recommend them. I think they're like $70 normally, and I'd rather just pay $100-$150 for something with a warranty.
 

bsosborne1

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Feb 23, 2016
Messages
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Location
Asheboro, NC
I've had the HF for years also. I've used on countless balljoints, chevy torsion keys, Bearings, and I even used it to press out the main C frame pins on my Cat d3. Its a gem for sure. I would not hesitate to buy another
 

JJThrasher

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May 30, 2013
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Location
Indiana
I do a lot of truck front end work and I use the OTC 6530. Seems to handle most things pretty well. The threads are about worn out, but when you consider the cash the tool has made me I think I'll buy a replacement $100 press.
 

Pipe

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Feb 22, 2016
Messages
315
I've never bent my snap on. The screw needed warranty after some frozen leaf spring bushings though.
 
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crf_kdx

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Sep 18, 2008
Messages
68
Location
Berea, KY
I have the astro pneumatic 7897 for personal use. The few times I've used it it has gotten the job done. No complaints.
 

speed bump

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May 28, 2008
Messages
6,317
Location
Butte Montana
Between my dad and I we have probably done 20 vehicles worth of ball joints with the harbor freight press. I managed bend it the second time I did super duty ball joints.

If I only had long term plans for small cars then a cheap press is perfectly adequate. Personally if I run across a snap on bj press for under $400 I will be buying it due to the heavy duty frame and locking adapters.

Finally the threads last a lot longer if you put some anti seize on them periodically.
 
OP
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giacomo.m

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Joined
Sep 26, 2014
Messages
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I used a HF press kit for years. Made many times over what I paid for it. I finally broke it using an impact on it because I was struggling with the breaker bar (I even said, "This is probably dumb," first Haha).

I bought a used BJP1 for $400 on eBay after that. Strength aside, the BJP1 just works a hell of a lot better due to the adapters. Also, the standard presses are not wide enough to do 1480 ujoints, whereas the BJP1 is a few inches wider than it would need to be.

Personally, since you can rent them for free from any parts store, I'd probably just rent one until I saved enough for the BJP1 if I were to do it all over again. If you are far away from a parts store, though, I could see buying an Astro or OTC or something. The HF isn't covered by their warranty, so I wouldn't recommend them. I think they're like $70 normally, and I'd rather just pay $100-$150 for something with a warranty.

Hi owenst7
what is brand " HF press " ?
but having to work at 80% of the Jeep is not better 8031 otc that has C-frame throat opening larger than bjp1?
thank you

Giacomo
 

MattPersman

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Apr 1, 2009
Messages
1,656
Location
Indiana
I have both the snap on replaced the OTC in daily use and I haven't thought of using the OTC since. Yes the snap on is that much better, from the adapters, to the feel, it's more of a redesign to be purposely better product that you don't understand till you use it

Can I do most things with the OTC still, sure I could but the snap on is my choice
 

moriboy

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Jan 17, 2016
Messages
99
Location
Oregon
I have the SO press. I have tortured that poor thing many times and it's still going strong. I don't believe it was designed to push out pins and bushings on heavy equipment but I've done it anyway. If there's a better press out there I've never seen it. Buy it once and it'll last 2 lifetimes.


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Griff93

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Jul 25, 2009
Messages
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Huntsville, AL
I have bent or broken the frame on three ball joint presses. One OTC, one Astro, and broke the Harbor freight in half. I bought the snap on and never looked back. The only thing I was doing with the others was trying to remove ball joints. I didn't do anything stupid like leave the snap ring on. They were just really stuck. I had even heated them with a torch and let them soak with PB. I've had the SO one for years now and zero issues.
 

kythri

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Jan 3, 2007
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Location
Lebanon, OR
I've had the Astro Pneumatic press since 2009, and it's worked flawlessly.

Granted, I don't use it daily, but it's a good piece of equipment - and I've only ever needed the two hands...
 

Astro_Pneumatic_Tools

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Oct 30, 2013
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South El Monte
I have bent or broken the frame on three ball joint presses. One OTC, one Astro, and broke the Harbor freight in half. I bought the snap on and never looked back. The only thing I was doing with the others was trying to remove ball joints. I didn't do anything stupid like leave the snap ring on. They were just really stuck. I had even heated them with a torch and let them soak with PB. I've had the SO one for years now and zero issues.

How long ago was this?

We've made the C-clamp beefier twice since its inception, keeping up with the torque levels of modern impacts is always an ongoing thing.


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owenst7

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How long ago was this?

We've made the C-clamp beefier twice since its inception, keeping up with the torque levels of modern impacts is always an ongoing thing.


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Chris
Product Manager
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Do you have a dimensional drawing of your current model?

I've been pretty much under the assumption that there are only 2 or 3 shapes/dimensions out there based on the ones I've had contact with. Seems like they are all dimensional copies of the OTC (which I think has a standard and a slightly bigger unit for medium duty trucks) from all the ones I've used.

The height of the "vertical" section of the I-section is what provides the strength significantly more so than the metallurgy. If the Astro unit compares to the BJP1 in material height at the 90°s and the center where it counts (that's where they always bend), I'd probably consider buying another press to carry to races/on the trail.

What I would really like to see is someone make one with ACME thread and a grease zerk. I keep telling myself I'm going to build one that way to carry in the buggy...but several years after building a press brake, that has still yet to happen lol.
 
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Astro_Pneumatic_Tools

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Joined
Oct 30, 2013
Messages
2,110
Location
South El Monte
Do you have a dimensional drawing of your current model?

I've been pretty much under the assumption that there are only 2 or 3 shapes/dimensions out there based on the ones I've had contact with. Seems like they are all dimensional copies of the OTC (which I think has a standard and a slightly bigger unit for medium duty trucks) from all the ones I've used.

The height of the "vertical" section of the I-section is what provides the strength significantly more so than the metallurgy. If the Astro unit compares to the BJP1 in material height at the 90°s and the center where it counts (that's where they always bend), I'd probably consider buying another press to carry to races/on the trail.

What I would really like to see is someone make one with ACME thread and a grease zerk. I keep telling myself I'm going to build one that way to carry in the buggy...but several years after building a press brake, that has still yet to happen lol.

You're right that the wall height of the I is one of the main determinants, also wall thickness.

The height is 1.5", the wall thickness is up to .710".

7.5lbs in weight and 8.8" long. It changed to a different forged alloy as well with our last improvement couple years ago.

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