Project REDLYNER: Rock Crawler Driven Daily... - Page 308 - JeepForum.com
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post #4606 of 6894 Old 12-19-2013, 08:54 PM
kyle_craig
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Quote:
Originally Posted by aw12345 View Post
Kinda depends what you plan on doing with your Jeep, lot of offroad rock banging, go Pitbulls. Fair to a lot of street driving and a fair amount of offroading go MTR
I've been doing the MTR vs. PBR debate in my head for quite some time. I love everything about the Pitbulls, other than the weight (85 pounds for a 35/17). My main concern is how well my little 4 banger can spin such a heavy tire in the rocks...but damn do they ever look cool.

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post #4607 of 6894 Old 12-19-2013, 09:03 PM
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Originally Posted by kyle_craig View Post
I've been doing the MTR vs. PBR debate in my head for quite some time. I love everything about the Pitbulls, other than the weight (85 pounds for a 35/17). My main concern is how well my little 4 banger can spin such a heavy tire in the rocks...but damn do they ever look cool.
For my big Jeep I should have bought the 42" bias ply Pitbull rockers and I would have been happy. Bought the 39,5 Rockers and they are to small (37,5" fully inflated) Kinda hard to know what will work when you first build a Jeep from scratch. MTR's are true to size, my 40" MTR's measure 39.5" tall fully inflated, same diam as the 42"Pitbull Rockers. Again I would have been happy with those. Just originally thought the lil 4 popper wouldn't pull them, seems to do just fine with them

My Tinkering and wheeling thread http://tinyurl.com/pbwdm5u
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post #4608 of 6894 Old 12-20-2013, 02:45 PM
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Quote:
Originally Posted by aw12345 View Post
For my big Jeep I should have bought the 42" bias ply Pitbull rockers and I would have been happy. Bought the 39,5 Rockers and they are to small (37,5" fully inflated) Kinda hard to know what will work when you first build a Jeep from scratch. MTR's are true to size, my 40" MTR's measure 39.5" tall fully inflated, same diam as the 42"Pitbull Rockers. Again I would have been happy with those. Just originally thought the lil 4 popper wouldn't pull them, seems to do just fine with them
Sounds like the same issue I had with the Iroks, they were closer to a 35" tire than they were a 37" tire... So it's sounding like the PBR's are also going to be closer to a 35" tire as well... I heard that the radial PBR's run closer to their true advertised tire height but that was 1 post I read randomly somewhere and haven't ever heard it verified.

Seeing as Redlyner has ran both I'm curious about what he has to say about them.
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post #4609 of 6894 Old 12-20-2013, 03:03 PM
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Quote:
Originally Posted by Necromancer_tat View Post

Sounds like the same issue I had with the Iroks, they were closer to a 35" tire than they were a 37" tire... So it's sounding like the PBR's are also going to be closer to a 35" tire as well... I heard that the radial PBR's run closer to their true advertised tire height but that was 1 post I read randomly somewhere and haven't ever heard it verified.

Seeing as Redlyner has ran both I'm curious about what he has to say about them.
Radial Pitbull rockers are true size, it is the bias that runs small. My bias 37" rockers are only 35.5" tall. A 37" radial is 37.25" if I remember correctly.
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post #4610 of 6894 Old 12-20-2013, 03:09 PM
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Radial Pitbull rockers are true size, it is the bias that runs small. My bias 37" rockers are only 35.5" tall. A 37" radial is 37.25" if I remember correctly.
Thanks!
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post #4611 of 6894 Old 12-20-2013, 06:43 PM
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FWIW I have 39.5 bias Iroks and they measure somewhere between 39 and 39.5
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post #4612 of 6894 Old 12-20-2013, 07:44 PM
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By the way if you go that route and want big shoes, look into 40" Nitto grappler MT's, read a thread on Pirate yesterday, seems like the 40" Nitto's have a very soft rubber compound and very strong sidewalls and all that happy for about 450 bucks a pop with free shipping.
Those might just be my next big tire. Much better price than a 40"MTR and supposedly much better sidewall strength.

My Tinkering and wheeling thread http://tinyurl.com/pbwdm5u
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post #4613 of 6894 Old 12-20-2013, 07:51 PM
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They're heavy as ****, though. I worked on a JK with 37" Nittos and they were ungodly heavy. Make my MTR's feel like 33's.

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post #4614 of 6894 Old 12-20-2013, 07:59 PM
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The 40's are in a good price range, nice soft rubber compound and atleast 150 bucks less than a 40" MTR, tougher sidewall to boot, makes a good case for those. The story went that the soft rubber compound is only availabe in the 40" tire. Not quite a sticky but close.
For crawling in rocks a strong but heavy tire that sticks isn't a bad thing. Not many people do a lot of street driving on 40's so as far as that goes it isn't that much of a detractor. There's buggy people out there that put water and antifreeze in tires to get some weight in them.
Anyway this lil didddy is basically for 40" tires only.
MTR's aren't a bad tire, they just cut easier in the sidewall then they should, and they spring are leaks in the sidewall tire siping when you get carried away in the desert, you can ask Jay about that he had 2 flats, both in the sidewall siping, which is not a good spot to repair. Leaks in the are where the thread surface of the tire turns into the sidewall is a rotten area for a tire repair. Have had a heck of a time fixing my stickies

My Tinkering and wheeling thread http://tinyurl.com/pbwdm5u
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post #4615 of 6894 Old 12-20-2013, 08:50 PM Thread Starter
REDLYNER
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I'm traveling, sorry for just chiming in -

The MTR/Ks and RADIAL Rockers are virtually the same height: 37". But each Rocker is like 12lbs heavier, and that is significant rotating mass. I instantly felt the better acceleration..... But the trade off was the weaker sidewall. I never cut a Rocker and never worried about it, to Art's point, I did poke holes in two mtr/k's out in JV. I don't think that would have happened with Rockers or Toyos.

I switched to the mtr/k because I was running the Rubi 44 and was taking every step to reduce the stress- The acceleration was a bonus.



So the question is: would I trade the light and fast for heavy and tough???







I just don't know.

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post #4616 of 6894 Old 12-21-2013, 01:48 AM
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So the question is: would I trade the light and fast for heavy and tough???


I just don't know.
Thanks for clearing that up!
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post #4617 of 6894 Old 12-24-2013, 09:21 PM
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Jay if ya gonna do what you said you are gonna do, then something like this should cut down on time wasted on winching.
Have a winch line extension made out of synthetic rope that kinda looks like this


winch line extension by aartjestaartje, on Flickr

Give it a loop at the end that is about 6 feet in diameter, but that you can still oepn up with a shackle or a strong caribiner, so you can throw it over a rock like a lasso
Then have loops braided into it at about 5 feet apart length about 30 feet after the loop. That should work pretty well. This way you shouldn't have to spool out your winch line more than 5 feet or so, would save a fair amount of time. On average when you are stuck on a rock all you really winch is a few feet, to get unstuck. That make sense to you?

My Tinkering and wheeling thread http://tinyurl.com/pbwdm5u
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post #4618 of 6894 Old 12-24-2013, 10:14 PM
MO2500
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I don't have a problem with you doing things to make winching easier, but better if you can just one shot everything so we don't have to stop and get out

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post #4619 of 6894 Old 12-24-2013, 10:44 PM
aw12345
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One shotting and acing tough sections takes prerunning Mikey, yet still oopsies happen and that time robbing activity comes into play. Seems last year lots a folks resorted to thast time robbing winching thing and wasted tons of time doing so. So Logic would dictate that winching will happen, that being a given make it something that wastes as little time as possible.

My Tinkering and wheeling thread http://tinyurl.com/pbwdm5u
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post #4620 of 6894 Old 12-24-2013, 11:16 PM
MO2500
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One shotting and acing tough sections takes prerunning Mikey, yet still oopsies happen and that time robbing activity comes into play. Seems last year lots a folks resorted to thast time robbing winching thing and wasted tons of time doing so. So Logic would dictate that winching will happen, that being a given make it something that wastes as little time as possible.
I know, I was just taking a jab at Jay and expressing my dislike of running around pulling cable I would be shocked if there was an EMC competitor that didn't winch at least once the entire race, the trails are tough enough for the guys on 40s let alone us on 37s with very little Hammers trail experience.

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