C Rated or E Rated Tires....What Do You Run?

Yes, it is.

Unsprung weight and rotational mass are two different things. One affects suspension performance, the latter, vehicle efficiency.

Point? Simantics...OP used the term "unsprung weight".

 

I bought E ply because that's all that was available in the tire I wanted in 255/85R16. I've gotten used to the way E ply feels and I definitely prefer it. I went back to SL tires for my winter set before buying a new set of winters and it gave me a very strange floating sensation which I think must just characteristic of riding on softer lighter tires exacerbated by using E ply for 6 months.

 

C rated KO2 265/70/16 don't exist. If they did I would probably have them.

 

It was 17" wheel.
Updated my previous post.

 

honestly if you are hauling a "E" weight load in your bed you better have another suspension to supplement. If you are an parking lot off-road king or towing a one-ton trailer (with appropriate tongue weight) you are fine with C rated or SL rated tires. The stock TRD OR 4x4 came with P rated tires. Both P and C rated tires are easier to keep balanced and both ride better than E rated. I'll be staying with Michelin LTX A/T2 P265/70r16.

 

Because the Cd wrap around an object more compared to an E rated tire, would it be correct to think that puncture resistance would be similar between E and C?

meaning the C has less ply to resist the puncture but is more willing to deform around the object that would potentially puncture the sidewall so therefore reducing punctures (within reason). Where the E just has more plys so it’s stronger and doesn’t puncture as easily

 

Oooof gonna be honest that's outside my knowledge and wheel house.

 

Not trying to be a dick here, but E load does not have 10 plies. Not sure if you knew or not.

 

I’ve had both 265/75/16 e rated KO2’s and 265/70/17” c rated KO2’s. I’m currently running the c rated 17”s and like them way more the the e rated 16’s.
I’m sticking with c rated on this truck

 

I loved how the E loads took the corners on the pavement on my stock sport suspension. It actially handled better than lowered E43 that i drove, no joke.

Hated the rough ride off road though. I got the C load and holy shit, what a difference. Much more plush ride but does not corner as well. I will be getting C loads from now on.

 

I run E’s strictly for the thicker sidewall. If you ever cut a sidewall the tiny bit of peace of mind is worth it.

 

What's interesting is my Maxxis 255/85/16 E rated were like riding on horse carriage wheeels.
My new BFG K02 285/75/16 E rated are like riding on clouds.

 

Finding an air pressure your truck likes makes a big difference.

 

I was gonna let it go but might as well clarify.

1. First, that statement in bold is incorrect. Maybe you mean to say that one has a larger effect on fuel efficiency, then yes.
2. The 50lb example is nice, but add 100 lb and you will see a noticeable change in fuel economy.
3. OP says unsprung weight and you were clarifying that its truly rotational inertia that will a significant drop in fuel eff. correct

 

My maxxis felt like riding on horse carriage wheels no matter the PSI. Even 18-20.

 

1. Nice nitpick
2. I don't think so
3. Now you got it

 

SEMANTICS. Since we’re on the subject of splitting hairs...

 

LOL
Thread is gonna crash n burn now

 

My E rated tires have lost very little tread. I got them for two reasons, the so called tougher sidewalls for peace of mind when off roading and to last much longer on the road. I don’t tow anything so it’s worth it to me.