OP
OP
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- #16
Oh wow you did get some lift and those are 35" tires.I had bilstein, not sure how much higher it is.
These are still the stock tires.
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I would have to agree with you for sure. My hasty measurement after install in my garage was almost 2 over badlands stock. Like, you I have NO preload in front as well with that measurement. I definitely am a novice in suspension tuning and will defer to all the much more technical gurus around here about where to measure for flex, travel and all the nitty gritty, but I would think that a 550 spring should help bring down that front height. 650s a bit stiff in front but man they EAT those whoops ha!
Your build looks fantastic. I haven't had any trouble with the rear resi clearance...yet
Thanks for sharing, really helpful in getting input on how to dial my own in better.
Radflo is coming with a 16" x 650lb front spring, but you are swapping to a 18" 550lb? What made you pick those spring rates?
Springs are mostly there to support the weight of the vehicle, majority of the ride quality and control comes from the internal valving. So a heavier/stiffer spring wont necessarily be a better choice for smashing whoops in baja.
Springs are mostly there to support the weight of the vehicle, majority of the ride quality and control comes from the internal valving. So a heavier/stiffer spring wont necessarily be a better choice for smashing whoops in baja.
OP
OP
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- #19
Thank you everyone for all the information here. Based on the information I am seeing I am thinking the following. The 650lbs springs are heavy and ride would be improved by using a 550lbs spring. Also seeing the amount of lift that has been gained by the extended travel I should stick with the standard length. This is my current height, 1/4" spacer in the rear and 1.125" spacer in the front. I want to keep the same height but replace the spacers and Bilstein's with a better shock. I want to keep the 33" tires so that is why I don't want to much lift.
This was my cv angles with a 1.375" spacer before I reduced it to 1.125"
This was my cv angles with a 1.375" spacer before I reduced it to 1.125"
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The pic of the shock in the box, you can see the 18" 650 PN, that's what it came with. You guys don't sell Radflo... So yeah, I would have loved a tuned package from you guys but I didn't want Fox or Kings, it was Icon or Radflo for me.
The 18" 650 is apparntly from an older batch which I just bought in March, after talking with Radflo (they've been great!!) I know they now come with 16", Radflo said I could try 18" 600. If stock is 374, Fox is 365 and King is 550, than to me 650/600 is over sprung and it feels like it. I'm a technical trail/rock crawler so I don't want stiff springs that don't allow the suspension to flex, hence my Baja comment. I ran a boat load of numbers, calculated OEM weights, front/rear distribution, every added accessory lbs, people, gear, fuel, water, basically maxed out the GVWR. I also calculated the SAS and Radflo experienced numbers based on compressed spring length, shaft length, angles, pivots, ran the numbers for desired exposed shaft length at rest, desired spring length at rest, backed into the calculated numbers vs actuals, plus some other numbers. Technically my desired target numbers called for a lower spring than 550, so, I split the difference between what I felt like a validated number from King and what my gut told me. I know 18"s fit so there was no reason to go down to 16" 550 and have to crank up the preload to get my height back. I still think I should have gone 450 but I knew that's too far from the valving.
To anyone reading this don't think anything is wrong with Radflo, I just know it can be better, I'm going to mess with it until its the way I like it. I got the springs from https://www.polyperformance.com/ which has a program they'll help on the spring rate swap if you're not satisfied.
Anyways, looking forward to hear what others have to say that have the Radflos on their Bronco!
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I’m running the radflo 2.5 coilovers non-adjustable on my non-sas Outerbanks. So far ride is great and way smoother. Haven’t taken them offroad yet, waiting to go sometime this month to accutune to get them tuned up. But I’m loving them, was going with king but didn’t want to wait. But I don’t regret it at all.
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My Badlands was a Sasquatch and it sits 3” over Sasquatch. A non-Sasquatch Badlands doesn’t sit as high as the Sasquatch models (regardless of trim). Just want to make sure I’m not confusing you. The non-Sasquatch badlands only sits like 0.5”-1” over other non-Sasquatch trims.
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Will AccuTune tune Radflo shocks? I have purchased several sets of tuned shocks from them, they are top notch. Are you running 35" tires on your Outerbanks? Anyway you could post a picture of the results?
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Unfortunately they don’t tune them
I’m trying another shop to see, like DC. Yes I’m running 35s as of now. Saving up for some Dana axles to run 37s.
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I love my extended travel Radflo’s on my ‘22 Wildtrak. 650lb front spring is PERFECT with my modular bumper + winch/mount. Feels incredible on road (not harsh or too heavy in any way, no roll/sway/dive) and they’re great off-road. I’d do it over again this same way given the chance.. I’m running them set to around 2” lift over SAS so not much if any additional preload
Got them straight from RF and their communication/customer service was amazing
Got them straight from RF and their communication/customer service was amazing
@akturbo Spring swaps on these coilover's are a bit of a pain with the bar pins. Hope the new springs work out for you, I'm surprised a 18" spring can fit on those coilovers.@Jms1 unfortunately no, we only service and tune Fox and King shocks.
Keep in mind with custom tuning, be sure the company you are going to has plenty of experience tuning the shocks you have, on the type of vehicle you have. We use a combination of dyno tuning and real world driving to determine our tunes for various models.
FWIW, we also have a spring swap program with a ton of Eibach springs in stock. We will calculate spring rates for you.
OP
OP
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- #28
Based on all the information provided here this is what I am thinking. I need about 1.5'-2" of lift to bring the front back to where it is now with the spacer removed.
Option #1 is to use the standard travel Radflo with and extended length of 23.312" the same as the SAS and Badlands factory Bilstein. So to gain any lift from this length it must come from increased spring rate. If stock rate is 374lbs and the standard Radflo comes with a 650lbs then it would stand to reason that this setup would definitely provide lift. However ride quality would be greatly impacted.
Option #2 is to use the extended travel Radflo which is .586" longer than the SAS and Badlands extended length. So the additional .586" length by itself will provide lift but not the same amount that the 1.125" spacer I currently have does. I now believe that you guys are getting such a high quantity of lift from the extended travel due to the 650lbs spring rate. Being that the stock spring rate is 374lbs I should not need or want a 650lbs spring and the additional lift it provides by not allowing the suspension to settle. So what I think I should do is buy the extended travel but ask Radflo to use a 450lbs or 500lbs spring. Therefore I could gain a bit of lift from the added .586" length over my current shock and then a bit more from an increase spring rate.
Is there any reason this would not work? Thank you all for the information provided here.
Option #1 is to use the standard travel Radflo with and extended length of 23.312" the same as the SAS and Badlands factory Bilstein. So to gain any lift from this length it must come from increased spring rate. If stock rate is 374lbs and the standard Radflo comes with a 650lbs then it would stand to reason that this setup would definitely provide lift. However ride quality would be greatly impacted.
Option #2 is to use the extended travel Radflo which is .586" longer than the SAS and Badlands extended length. So the additional .586" length by itself will provide lift but not the same amount that the 1.125" spacer I currently have does. I now believe that you guys are getting such a high quantity of lift from the extended travel due to the 650lbs spring rate. Being that the stock spring rate is 374lbs I should not need or want a 650lbs spring and the additional lift it provides by not allowing the suspension to settle. So what I think I should do is buy the extended travel but ask Radflo to use a 450lbs or 500lbs spring. Therefore I could gain a bit of lift from the added .586" length over my current shock and then a bit more from an increase spring rate.
Is there any reason this would not work? Thank you all for the information provided here.
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Don't forget the preload is adjustable so you can set the ride height, there is lots of range if you have 16" springs.
I'm currently stuck until I figure out how to compress this monster spring (I wouldn't have to if I had 16" springs!!), the cheap rental/widowmaker from the auto store didn't even compress an inch before I backed off. Going to try this next, only tool can find in stock around town. https://www.autozone.com/test-scan-...coil-compressor/537058_0_0?searchText=641429T
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I don't think spring rate will increase height by itself unless you have extra weight. I have a steel bumper and winch and that 650 spring weight prevents it from sagging lower, but if I took that extra weight off it wouldn't get any higher than the stock rated springs. The springs sit at an angle when mounted, so a .5" longer spring doesn't necessarily mean your height increase is going to be linear to that. Same thing with the preload. I'd suggest talking to a reputable shop or RadFlo directly prior to spending money to make sure you get exactly what you want. They will need to know how much extra weight you have (or will have) to determine the appropriate rate.
I only swapped out my rear lower coils to a higher rate because of the extra weight I have in the rear of my Bronco and not for general ride height purposes.
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