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Unread 11-13-2013, 05:34 AM   #61
Ed209
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Quote:
Originally Posted by Charley3 View Post
What tires do you have now? AT2 of what brand and load rating?
E load Grabbers

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Unread 11-13-2013, 05:55 AM   #62
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Quote:
Originally Posted by Ed209 View Post
I get 16.3 mpg with Moabs & 245/75x16 AT2s on an '04 Rubi. That's 71 lbs of wheel/tire. So what mileage increase could I expect going to a 21 lb 16x7 with a Duratrac C load 245/75 at 40 lbs for a 61 lb total? Also, it feels nimble & quick with the 5 speed & 4.10 gear, would I feel a significant difference?
The difference will feel roughly like the difference between driving with a passenger vs driving alone (probably even less than that).

The mileage increase may be more or less dramatic, however, because of using a completely different tire. Far too many variables to do anything but throw wild guesses out.
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Unread 11-13-2013, 09:57 AM   #63
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Liberty Rims?

Good Day All,

Jhonny thread jacker here.

These 16" x 7" aluminum rims you speak of in this thread (Icon and Silverstar) are from the Liberty? And if so the Liberty has the same 5 on 4.5 bolt patter as my TJ correct?


Very interesting thread to me. I am finally looking to toss re-gear monies at the ole X. Tired of getting up 30 mins earlier than everyone to meet them at the slopes, trout camp or elk camp. Looking to go to a 265/75/R16 Duratrac C rated tire to keep the Dana 35 on the honest side of things.

Running steels(~27lbs) with balding 30x9.5R15 kevlars(~44lbs), a total of 71lbs.

A Silverstar at 21lbs and a Duratrac 265/75/R16 at 45lbs saves me 7lbs per wheel/tire. I'd bet I need spacers to clear said tire. Now to look up Liberty backspacing.


Thanks for the constant education jeep forum world.



Edit: Learned the Silverstras are form the cherokees with 5 on 5 lug pattern, so I'd need an adapter/spacer.

Last edited by JPGoody; 11-13-2013 at 10:18 AM.. Reason: Learned that Silverstars come from the Cherokee, BAH!
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Unread 11-13-2013, 12:39 PM   #64
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YJ, tj, MJ, XJ, zj, and KJ are all 5x4.5. Silver stars were the wheels that 5.9 ZJs had. Icons were on XJ and KJ.

Sent from my phone
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Unread 11-13-2013, 01:40 PM   #65
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Quote:
Originally Posted by JPGoody View Post
Good Day All,

Jhonny thread jacker here.

These 16" x 7" aluminum rims you speak of in this thread (Icon and Silverstar) are from the Liberty? And if so the Liberty has the same 5 on 4.5 bolt patter as my TJ correct?


Very interesting thread to me. I am finally looking to toss re-gear monies at the ole X. Tired of getting up 30 mins earlier than everyone to meet them at the slopes, trout camp or elk camp. Looking to go to a 265/75/R16 Duratrac C rated tire to keep the Dana 35 on the honest side of things.

Running steels(~27lbs) with balding 30x9.5R15 kevlars(~44lbs), a total of 71lbs.

A Silverstar at 21lbs and a Duratrac 265/75/R16 at 45lbs saves me 7lbs per wheel/tire. I'd bet I need spacers to clear said tire. Now to look up Liberty backspacing.


Thanks for the constant education jeep forum world.



Edit: Learned the Silverstras are form the cherokees with 5 on 5 lug pattern, so I'd need an adapter/spacer.
The 16x7 Silverstar from the '98 5.9 Grand Cherokee Unlimited is 5x4.5 and has 5 1/8" backspacing - no spacers needed for use on a TJ.
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Unread 11-13-2013, 01:42 PM   #66
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soooo many Js

Quote:
Originally Posted by mschi772 View Post
YJ, tj, MJ, XJ, zj, and KJ are all 5x4.5. Silver stars were the wheels that 5.9 ZJs had. Icons were on XJ and KJ.

Sent from my phone
Thanks for further clarification there Mr. mschi772.

Now that I have my Js all in a row I'll get back to wheel/tire/re-gear stuffs.
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Unread 11-13-2013, 01:53 PM   #67
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Quote:
Originally Posted by Ed209 View Post
The 16x7 Silverstar from the '98 5.9 Grand Cherokee Unlimited is 5x4.5 and has 5 1/8" backspacing - no spacers needed for use on a TJ.
Right on, I have that circled in my notes from reading through this thread.

5.25" BS and a 265/75/R16 seems dang close, in fact if my math is right that is 0.2" closer than current clearance. My sausage finger barely slides between rear spring perch and current tires.

Will a 7" rim squeeze the 10.4" wide tire in a bit more?
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Unread 11-13-2013, 07:42 PM   #68
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Quote:
Originally Posted by JPGoody View Post
Right on, I have that circled in my notes from reading through this thread.

5.25" BS and a 265/75/R16 seems dang close, in fact if my math is right that is 0.2" closer than current clearance. My sausage finger barely slides between rear spring perch and current tires.

Will a 7" rim squeeze the 10.4" wide tire in a bit more?
What 5.25" BS are you referring to? The Silverstar is 5 1/8" = 5.125"

When I said no spacer needed, I meant no spacer/adapter in order to convert to 5 x 5.0 bolt pattern.

A 7" rim will narrow the section width by .2" if the measuring rim was 7.5", which is likely since the approved rim width is 7-8" for the 275/75x16.
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Unread 11-13-2013, 09:08 PM   #69
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Quote:
Originally Posted by JPGoody View Post
Good Day All,

Jhonny thread jacker here.

These 16" x 7" aluminum rims you speak of in this thread (Icon and Silverstar) are from the Liberty? And if so the Liberty has the same 5 on 4.5 bolt patter as my TJ correct?

Very interesting thread to me. I am finally looking to toss re-gear monies at the ole X. Tired of getting up 30 mins earlier than everyone to meet them at the slopes, trout camp or elk camp. Looking to go to a 265/75/R16 Duratrac C rated tire to keep the Dana 35 on the honest side of things.

Running steels(~27lbs) with balding 30x9.5R15 kevlars(~44lbs), a total of 71lbs.

A Silverstar at 21lbs and a Duratrac 265/75/R16 at 45lbs saves me 7lbs per wheel/tire. I'd bet I need spacers to clear said tire. Now to look up Liberty backspacing.

Thanks for the constant education jeep forum world.

Edit: Learned the Silverstras are form the cherokees with 5 on 5 lug pattern, so I'd need adapter/spacer.
Siverstar are defineately 5 on 4.5 bolt pattern. They came on some V8 Grand Cherokee ZJs and maybe some others Jeeps too. Icon are 5 on 4.5 bolt pattern and came on some Grand Cherokee ZJs, some late model year Cherokee XJs, Libertys, and maybe a few TJs.

These are both 16 x 7 wheels with 5.25" BS that are ideal for fitting 245/75R16 (31 x 9.5 R16) tires. Look for load C tires. For example Cooper AT3, Mastercraft AXT, Hercules AT2, and Duratrac load C tires.

For a 265/75R16 I recommend a load C tire on a 16x 8 aluminum wheel with 4.5" to 5" backspacing.. Moab are good for this.

However, for weight saving, a 16 x 7 Icon or Silverstar aljminum wheel with 245/75R16 load C tire is much lighter.
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Unread 11-13-2013, 11:07 PM   #70
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will I ever get now tires?

Quote:
Originally Posted by Ed209 View Post
What 5.25" BS are you referring to? The Silverstar is 5 1/8" = 5.125"

When I said no spacer needed, I meant no spacer/adapter in order to convert to 5 x 5.0 bolt pattern.

A 7" rim will narrow the section width by .2" if the measuring rim was 7.5", which is likely since the approved rim width is 7-8" for the 275/75x16.
5.125" would be slightly more in my favor. I was just going off of page 1 where it states "Silver star (ZJ 5.9) 16x7 5.25 BS" above the pic of the silverstar rim. Thanks for your response it is all becoming clearer.

I am referring to this guy:


I now understand the bolt pattern(5 on 4.5) of the silverstar(Icon and others) matches my TJs needs.

I'm now wondering if switching to aluminum wheels(15x7") at ~21lbs and a 37lb tire (A/T KO in the 30x9.5x15) size will allow me to bypass the regear?

I'll be dropping 10lbs per tire. I've lived with 3.07s and 30x9.5 this long, maybe I can endure the turtle disease a bit longer.

Thoughts?
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Unread 11-13-2013, 11:16 PM   #71
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Quote:
Originally Posted by Charley3 View Post
For a 265/75R16 I recommend a load C tire on a 16x 8 aluminum wheel with 4.5" to 5" backspacing. Moab are good for this.

However, for weight saving, a 16 x 7 Icon or Silverstar aljminum wheel with 245/75R16 load C tire is much lighter.

Agreed, if I can talk myself into the $1,400 regear, which means I talk myself into wheels and more expensive tires each purchase, I'll def go 16x8 aluminum and I do like the Moabs. Currently none for sale in my area.

This all started with an idea of a 265/75/16 Laod C Duratrac on my 150K rusty jeep. Well that and someone stole my doors .

Thanks for the replies.
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Unread 11-14-2013, 02:37 AM   #72
Charley3
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Quote:
Originally Posted by JPGoody View Post
5.125" would be slightly more in my favor. I was just going off of page 1 where it states "Silver star (ZJ 5.9) 16x7 5.25 BS" above the pic of the silverstar rim. Thanks for your response it is all becoming clearer.

I am referring to this guy:


I now understand the bolt pattern(5 on 4.5) of the silverstar(Icon and others) matches my TJs needs.

I'm now wondering if switching to aluminum wheels(15x7") at ~21lbs and a 37lb tire (A/T KO in the 30x9.5x15) size will allow me to bypass the regear?

I'll be dropping 10lbs per tire. I've lived with 3.07s and 30x9.5 this long, maybe I can endure the turtle disease a bit longer.

Thoughts?
16 x 7 aluminum weigh around 21 lbs

15 x 7 aluminum probably weigh around 15 or 16 lbs. I will weigh one soon.

If you want to use 30 x 9.5 R15 you need 15 x 7 wheels.
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Unread 11-14-2013, 02:51 AM   #73
Charley3
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Ed209, Silverstar and Icon are 16 x 7 with 5.25 BS the way Jeep measures them.

It is possible Jeep's way of measuring BS might be a little different than how other wheel brands measure, which might mean Jeep's 5.25" BS measurement is same as the 5.125" BS you measured.

i.e. - it's possible that a 5.25" BS Jeep wheel is same as a 5.125" BS aftermarket wheel if two slightly different methods of measuring are used.

In any case, the Jeep official BS for Icon and Silverstar is 5.25" BS as Jeep wheels are measured.
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Unread 11-14-2013, 03:05 AM   #74
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Quote:
Originally Posted by Ed209 View Post
E load Grabbers
Grabber AT2 are exceptionally heavy for AT. Even moreso in load E. Grabber AT2 also have a high rolling resistance for AT.

I think you'd experience some improvements switching to Duratrac load C. I can't put any gas mileage estimate to it.

If you switched to a Cooper AT3,, Mastercraft AXT, Hercules AT2, Goodyear Silent Armor, you would see more gas mileage improvement. i.e. - something lightweight and less knobby than Duratrac would give better gas mileage.
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Unread 11-14-2013, 05:01 AM   #75
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Quote:
Originally Posted by Charley3 View Post
Ed209, Silverstar and Icon are 16 x 7 with 5.25 BS the way Jeep measures them.

It is possible Jeep's way of measuring BS might be a little different than how other wheel brands measure, which might mean Jeep's 5.25" BS measurement is same as the 5.125" BS you measured.

i.e. - it's possible that a 5.25" BS Jeep wheel is same as a 5.125" BS aftermarket wheel if two slightly different methods of measuring are used.

In any case, the Jeep official BS for Icon and Silverstar is 5.25" BS as Jeep wheels are measured.
I'm measuring the standard way, from the back edge to the hub mounting flange, and very carefully with precision tools. I have no idea how Jeep measures, but it seems to vary. They say Eccos are 5.25 and I measured my brother's and got 5.25 also. However, they say Moabs are 5" and mine are 5 1/8", same as my Silverstars. In most cases, 1/8" probably won't matter, but when it's crucial, you should always measure and not just accept "official" BS.
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