2009-2013 F150 F150Lifts BOSS Coilover Install Guide on our 2012 F150 EcoBoost FX4!

2009-2013 F150 F150Lifts BOSS Coilover Install Guide on our 2012 F150 EcoBoost FX4!

This is a discussion on 2009-2013 F150 F150Lifts BOSS Coilover Install Guide on our 2012 F150 EcoBoost FX4! within the F150 Ecoboost Suspension forums, part of the F150 Ecoboost Garage category; Even though our 2012 F150 EcoBoost FX4 Project Truck was riding high on a Zone 6" Suspension Lift Kit , our 37x12.50" Mickey Thompson Baja ...

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Thread: 2009-2013 F150 F150Lifts BOSS Coilover Install Guide on our 2012 F150 EcoBoost FX4!

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    Sponsor Jason@Stage3's Avatar

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    2009-2013 F150 F150Lifts BOSS Coilover Install Guide on our 2012 F150 EcoBoost FX4!

    Even though our 2012 F150 EcoBoost FX4 Project Truck was riding high on a Zone 6" Suspension Lift Kit, our 37x12.50" Mickey Thompson Baja ATZs still had a bit of rub, even after trimming down our front air dam and the back ends of our FX4 fender flares. Not to mention, a lot of folks ask us how to get 8" of lift out of these trucks, since very few companies actually make 8" Lift Kits for the F150s these days. Anyway, we decided to go for it, and hit up Alex over at F150Lifts to get a pair of his BOSS 0-3" Front Coilovers. Now, our Zone kit came with a lifted strut to get its front lift, so we sourced some Pro Comp front 6" strut spacers from one of their kits to pair up with the BOSS Coilovers which would, in theory, allow us to get up to 9" of lift up front. We were only shooting for eight. We took the truck over to our friends at Dyno-Comp to get everything installed, and while it wasn't the easiest install in the world, the guys got it done, and coilovers ride smooth as butter on pavement. We'll have an off-road review of them as soon as we get new upper control arms installed. Check out the images below or view the full guide over on blog.
















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    Ecoboost Pro jsm11's Avatar

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    What's the stacking of the coil and spacer do to the CV Axle Angles, pics if you could please....

    Looks great BTW!

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    Sponsor Jason@Stage3's Avatar

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    Quote Originally Posted by jsm11 View Post
    What's the stacking of the coil and spacer do to the CV Axle Angles, pics if you could please....

    Looks great BTW!
    Changes them, but I wouldn't call it drastic and/or worrying.



    It honestly looks about the same as the ICONs on our red 5.0L truck.

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    Ecoboost Pro jsm11's Avatar

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    Thanks, agreed.... Not bad at all....

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    Ecoboost Sr Member RZRJ's Avatar

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    It'd be nice if f150lifts had a coilover solution to get rid of the 6" spacers on top of my stock coilovers. I think it rides like
    $h!+!

    Also, who manufactures their "boss" shocks?

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    Quote Originally Posted by RZRJ View Post
    It'd be nice if f150lifts had a coilover solution to get rid of the 6" spacers on top of my stock coilovers. I think it rides like
    $h!+!
    BDS/Fox have 6" Lifted Coilovers that are based on Fox 2.5s.

    However, I don't think you need to go that far. With these on our spacers, our truck rides smooth as butter on pavement. Its a huge change from the Zone lifted struts that came with the lift kit.

    Also, who manufactures their "boss" shocks?
    I'm pretty certain that the BOSS lineup is built entirely by F150Lifts, unlike some of their other coilover options.

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    Eco-Beast Btrow's Avatar

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    So without the huge spacer, how much lift can you get out of them?
    2014 FX4 SCrew | Ecoboost | Luxury Package | Ox White on Black |
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    Quote Originally Posted by Btrow View Post
    So without the huge spacer, how much lift can you get out of them?
    0-3" of front lift. Out of the box, they're set at like 2-3/4".

    To get them installed with our spacers, we actually had to crank them down to the point where there was no preload on the coilover spring, and then crank them up after they were installed.

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    Ecoboost Pro jsm11's Avatar

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    So, the compilation here could actually be done several ways:
    Stack spacers on longer shocks = like would be seen with the top of the line BDS, 6" extended shock with 2.5" spacerm netting 8.5" of lift...
    Stack longer shock system onto spacer = like is seen here, using a Zone Offroad kit, with the longer shock and 6" spacer to net 9" of lift

    I suppose the same could be done using the 6" spacer and an Icon shock system, not sure if the 6" spacer would negate the awesomeness the Icons a rumored to inpart...

    Amirite?

    Alos, why has there not been an 8" coilover developed yet, that would address all this and avoid the hodge-podging to reach the atmospheric levels of lift needed to run 37's? Or is there?

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    Quote Originally Posted by jsm11 View Post
    So, the compilation here could actually be done several ways:
    Stack spacers on longer shocks = like would be seen with the top of the line BDS, 6" extended shock with 2.5" spacerm netting 8.5" of lift...
    Stack longer shock system onto spacer = like is seen here, using a Zone Offroad kit, with the longer shock and 6" spacer to net 9" of lift

    I suppose the same could be done using the 6" spacer and an Icon shock system, not sure if the 6" spacer would negate the awesomeness the Icons a rumored to inpart...

    Amirite?
    Basically, yes. As long as your given choice of spacer/coilover/shock assembly will all bolt up stock-to-stock-to-stock, then you could get the same lift results several different ways. However, different combinations will probably get you different levels of ride quality. Though for our specific setup, we actually had to source the Pro Comp spacers separately, because our Zone kit came with lifted struts. Technically, we could've just dumped spacers onto the Zones, but we were a little concerned about ride quality.

    We also wouldn't recommend stacking spacers in order to get the lift. For instance, keeping the factory shocks, using the lift's spacer and then stacking a spacer on top of it.

    Alos, why has there not been an 8" coilover developed yet, that would address all this and avoid the hodge-podging to reach the atmospheric levels of lift needed to run 37's? Or is there?
    Well, I think those BDS/Fox coilovers might be able to increase height to some degree, but I'm not sure how much. Even then, they're a more expensive option then a lot of the different combinations you can come up with.

    The biggest issue is that the big lift kit manufacturers are all trying to stay within FMVSS 126 compliance, and I don't know if that's even possible going up to a full 8". The secondary issue that your CV, LCA, and UCA angles could be better or worse depending on which lift kit. For instance, our CVs and LCAs aren't really all that bad right now, but our UCAs are very sad pandas just because of the way Zone designed their knuckles.

    Technically speaking, if you have the measurements for the mounts and the required length of the coilovers, you could (possibly) get some made, but it'll cost you.

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