First off, I am very happy to see this thread and have been looking for a way to squeeze another inch or so of lift out of my 2019 Pro without resorting to using spacers (or replacing the fox suspension for something else).
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Originally Posted by osideplayer
Is this 1.8 inch Taller than a stock TRD pro, so essentially 2.8 inches taller than stock SR5?
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I understand exactly what you mean, and had the exact same question, though it doesn't seem to actually be answered yet. 2018 and earlier Pros supposedly had the stock ride height, but 2019/20 w/ the Fox setup is supposedly already 1" higher than standard ride height. If we have the same control arms and ball joint setups as all other 4runners, then there is already 1" of lift into our geometry, and adding another 1.8" on top of that would put us at 2.8" worth of lift into the control arm geometry. Since the general thought here seems to be that anything over 2.5" requires UCAs to get to proper alignment, this question is very important.
Quote:
Originally Posted by adrummingdude
Thanks Ryan. To clarify (and I think what the other poster’s question is), these springs will lift a Pro 1.8 additional inches, bringing the total lift to ~2.8” compared to a stock SR5. Correct?
If so, I know a lot of guys with a 3” front lift are running aftermarket upper control arms to be able to get their castor in spec, and many of them are also dropping their front diff. However, I don’t know if the control arms on the Fox outfitted Pro are already different than the other trim level trucks.
I really would like a set of these springs as I’ve had Eibach drop springs in the past and have liked them a lot... but If it’s going to come along with a new rabbit hole I’m not so sure.
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I bolded the important part above. If we have the same control arms and components as all other 4runners (and that is the impression I am under), then we ALREADY have 1" of lift into our otherwise stock geometry. I suppose it'd be moot if we have different control arms that compensate for our extra 1" of lift, but that isn't the case as far as I know.
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Originally Posted by Ryan at Eibach
I know exactly what he’s asking and I’m trying not to answer it and confuse everybody. There’s just no reason to compare it to non-PRO. You’re already getting worried about arms because of it even though I said upper arms are not needed ;)
Everything you are concerned about is checked during our R&D process. If you need arms, diff drop, etc etc it will absolutely be mentioned waaaaay in advance. For 1.8” of lift it’s not necessary.
Hope that helps
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It's true that UCAs aren't needed for 1.8" of lift on a normal 4runner front suspension, except it wouldn't be 1.8" of lift on the 2019+ TRDP control arms and suspension parts which are already 1" lifted as they come stock. Not trying to be difficult here and I'd be happy to understand properly if I am misunderstanding, but it doesn't appear as if you do understand what he's asking. If we already have 1" of lift into our otherwise standard 4runner IFS system, and you are saying this adds another 1.8" over that, then it would indeed be 2.8" of lift on what is otherwise the same stock 4runner components that all 4runners use (components that can't go over 2.5" of lift without causing alignment issues without UCAs). The components which control the geometry and ultimately our ability to achieve alignment are the same as all other 4runners as I understand it, the only difference being that we already have 1" of lift on those components. Am I wrong? Was Toyota wrong when they said that the 2019+ Pros has 1" of lift over the other models? According to the answer you provided, these springs will add another 1.8" of lift on top of the 1" we already have, which would mean that our stock control arms and ball joints would be operating at 2.8" of lift over standard height, which is indeed outside of Toyota's design parameters for the stock UCAs according to everything else I've seen on these forums. If this is wrong I'd appreciate someone providing an answer that clarifies for those of us who are confused. Are 2019 Pros already lifted an inch like Toyota said they were?
