RCLT HD 2.75" - Travel Numbers and Notes

I'm not going to disagree with you but if you're not willing to gain the wheel travel you'd be stuck with 8.75" of wheel travel and you bought the wrong kit or the wrong truck for a dedicated crawler.

 

Wrong kit either way for something that claims to be the only IFS designed for rock crawling and the “first IFS to challenge the benefits of a solid axle” haha

 

Um…ya I know that. So I’ll quote it all for you. “For reference, my personal truck has a Baja Kits +2" kit on it. With an 8" off the shelf king shock, it cycles 12.0" wheel travel bump to strap. Motion Ratio of 1.5 to 1. It uses the full stroke of the shock withoutmoving the shock mount or factory bump stop.”
Reading comprehension isn’t out strong suit today.

 

Ah gotcha. Totally read that wrong.

 

I can see that point of view. 40’s will make belly clearance less of an issue too haha. I don’t want to bump any higher than I am if it would mean losing down travel. It’s all a trade off in a bolt on kit I suppose. For me the one that traded extra up for extra down has worked the best.

 

I think most people ideally target about 50% bump. So on a 14” shock you may have 5” up travel and 9” down. But depends on packaging really.

 

I can see the argument for having more bump. Especially with lighter coils to make IFS stuff a little easier. Still a good bit of force at the last few inches of travel on IFS I would think given preload and travel left if any in the shock added to that. My 16” coilovers get a little loosey goosey at the end.

 

You’ve got me curious on how much traction IFS has close to full droop vs solid axle and if trailing arm or coilovers mounted to the axle would make a difference too…lots of factors involved I know. Preload, leverage ratio etc My gut tells me IFS will have a bit more force at the end of travel than a solid axle? I dunno. Curious what the smart people think.

 

My straps stretch way more with the coilover in vs out at full droop. Preload of the coil and shock not fully extended are why I’m guessing. In my scenario I’m assuming the tire isn’t dangling in the air but an inch or so from totally dropped out. My rear coilovers mounted to the axle don’t have hardly any preload so it’s mostly just the weight of the axle/tires I’m guessing. My guess is the front has more traction in the last inch of down travel than my rear does

 

Great write up bro. You’re a freak… it seems like you’ve forgotten more about this stuff than most people think they know.
So…. Basically my “stock” front end (albeit fully tubbed) has pretty much the same wheel travel as this highly priced kit?

 

Sell and SAS it.

 

If I out wheel what I’ve got I might. My butt needs to catch up with my build right now haha

 

LBH if you do enough cutting and add a large enough tire anything is really possible lol. I think your setup right now would be fine if you add 40+ inch tires and cut a bunch of shit to last you however long.

 

Oh yeah this set up on 37s will last me for a while. Which is good. I want to have more seat time and less garage time for a while haha

 

Really just comes down to ground pressure per corner. F=MA.

All things being equal the ground pressure/force or traction would be the same whether it was 1" from bump or 1" from droop. What typically changes is weight distribution in the corners.

 

I’m having a hard time following that. A tire in bump would be exerting more force on the ground because the vehicle’s weight is shifted to that tire if my thinking is correct. A tire in droop would have less force being exerted on the ground because weight has shifted away. Just for a simple test when the whole vehicle is dropped out on stands I know it’s easier for me to jack my rear tire up one inch than my LCA the same distance. That’s why I’m assuming the front will have more traction at droop than the rear. Lots of preload compared to the rear maybe

 

The spring generates more force as it's compressed. Do you not think that would equate to more pressure to the ground?

 

Good point, I guess weight distribution factors into that. Hard for me to imagine a direct comparison.

 

Ya your right, I'm dumb. I was looking at it too simply. I'm not sure how I could explain my entire thought process simply on a forum.

Basically if we used something simple like F=MA. A being gravity, in order for that coil to actually compress the M would need to increase thus the transfer of weight (M) to the compressed coil and increased force to the ground.

 

I think this is why @EatSleepTacos stuck a longer coil with a lower spring rate on his.