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Coil Spring Compressors (OTC 7045B VS ? )

2ndGearRubber

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Mar 24, 2014
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Needed to change lower control arms in a Crown Victoria, and thus had to compress the coil springs. Normally, my spring compression needs are handled on such suspensions by this:


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Most of the coil springs I do are rear multi-link suspension, so the little telescoping kit has worked just fine. But for these beefy springs, my compressor was on the ragged edge, and things were pretty stressful as I would barely compress the spring enough, and the tool was working overtime to even handle such a spring.



So, for beefy springs, is there a superior option to the OTC 7045B? Amazon reviews have pictures of it compressing some big diameter stuff. Am I missing other options for large diameter springs? I already own suicide sticks, and the shop has a well worn mc-strut compressor, so I'm just in the market for this style of tool.


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toddoky

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Dec 17, 2013
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Bowling Green, Kentucky
I recently bought the OTC compressor to install stock front coils in a Fox Body Mustang, which are notoriously difficult to install. My tech assistant told me an hour into the job that it wasn’t going to work, but I noticed upon inspection that it was because he was trying to do it with both of the discs inserted into the spring coils. That limited the amount of compression that could be achieved so I had him reposition the lower disc under the lower control arm and it worked like a champ.
 
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2ndGearRubber

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Maybe I'll still buy the OTC, not worth skimping on spring compressors. And I like having multiple options.
 
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M635_Guy

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NC
I have this one and have used it on my Mini (ittle springs) old BMW (medium), my wife's Odyssey (large) and it's done very well with all of them. I've used it on friend's cars and have loaned it out too. Everyone has been happy with it.
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A slightly-updated version is on Amazon with spring pads and a better case, which is nice.
 

techkelly

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Feb 7, 2009
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Midland Texas
Using the OTC compressor in my ford days I would do the Crown Vics and Fox bodies like like toddoky said.

That strut spring set up above you are not going to get that in to position, even if you could I would not be
standing anywhere near it. A crown Vic spring a big spring that can store a lot of kinetic energy.
 

M635_Guy

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Using the OTC compressor in my ford days I would do the Crown Vics and Fox bodies like like toddoky said.

That strut spring set up above you are not going to get that in to position, even if you could I would not be
standing anywhere near it. A crown Vic spring a big spring that can store a lot of kinetic energy.
You've clearly been-there-done-that, so I'll take your word for it. The OTC looks funky to me, but I haven't seen it in operation.
 
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2ndGearRubber

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You've clearly been-there-done-that, so I'll take your word for it. The OTC looks funky to me, but I haven't seen it in operation.

Your tool is more for strut/spring combos. On the crown vic and old RWD stuff the spring sits on the lower control arm, and "mounts" in a cup on the frame. Little access, the puller has to work through the center of the coil rather than the outside.
 
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