Author Topic: What size tires do you run with your Longfields?? (Read 10309 times)

pumkin toy · « **on:** May 26, 2009, 08:27:52 PM »

I'm wondering what tires most of you guys are running with Longs, and how often you break them. I have a birf elim kit in the front of my rig with the superjoints. I have already broken three of them and i'm running 37's with beadlocks at 5psi. The axles have a lifetime warranty but i am getting sick of breaking them! i thought they would hold up to 37's better than that. So now i am considering Longs and wondering how much stronger they are.

NaturalDisaster · « **Reply #1 on:** May 27, 2009, 02:30:38 AM »

I have been running them a couple years now on 39 inch bfg red label crawlers and about 5 psi with no breaks at all and i have used it plenty hard they are worth the cost

Russell_G · « **Reply #2 on:** May 27, 2009, 03:42:44 AM »

This is according to Bobby's axle breaking machine.
All breaking measurements are in Ft Lbs.

12000 - Yukon Dana 60 35 Spline 4340 Chromoly Stub
8900 - Longfield 30 Spline Birfield
8300 - Stock Dana 60 35 Spline Stub
7000 - Longfield 27 Spline 4340 Chromoly Birfield
7000 - Newfield 27 Spline 4340 Chromoly Birfield
6800 - Treated Toyota Hub
6500 - Longfield 27 Spline 4340 Inner
6000 - Marlin Drive Flange
5800 - Stock Toyota Hub
5800 - Yukon Dana 44 30 Spline 4340 Inner
5500 - Pig 27 Spline 4340 Inner
5200 - Stock Dana 44 30 Spline Inner
5100 - Treated Toyota Birfield
5000 - Warn Hub
5000 - Randy's Birfield Eliminator Kit
4000 - Stock Toyota 27 Spline Inner Axle
3700 - Stock Toyota Birfield

Found here
http://board.marlincrawler.com/index.php?topic=11245.0

OOPS · « **Reply #3 on:** May 27, 2009, 06:20:22 AM »

36 x 13.50 IROKS down to 4psi. Been running the same ones for three years, no problems. Run all types , Con, 4-Dice, Dusy, Hammers and Moab. Wherever there are rocks I crawl.

pumkin toy · « **Reply #4 on:** May 27, 2009, 06:18:06 PM »

Quote from: Russell_G on May 27, 2009, 03:42:44 AM

This is according to Bobby's axle breaking machine.
All breaking measurements are in Ft Lbs.

12000 - Yukon Dana 60 35 Spline 4340 Chromoly Stub
8900 - Longfield 30 Spline Birfield
8300 - Stock Dana 60 35 Spline Stub
7000 - Longfield 27 Spline 4340 Chromoly Birfield
7000 - Newfield 27 Spline 4340 Chromoly Birfield
6800 - Treated Toyota Hub
6500 - Longfield 27 Spline 4340 Inner
6000 - Marlin Drive Flange
5800 - Stock Toyota Hub
5800 - Yukon Dana 44 30 Spline 4340 Inner
5500 - Pig 27 Spline 4340 Inner
5200 - Stock Dana 44 30 Spline Inner
5100 - Treated Toyota Birfield
5000 - Warn Hub
5000 - Randy's Birfield Eliminator Kit
4000 - Stock Toyota 27 Spline Inner Axle
3700 - Stock Toyota Birfield

Found here
http://board.marlincrawler.com/index.php?topic=11245.0

damn! so according to bobby long his axles are almost twice as strong as my birf elim kit! i really wish i knew more about the longs a few years back when i bought the elim kit.

Slolyfe · « **Reply #5 on:** May 27, 2009, 06:31:05 PM »

Im running 37" mtrs at 7 psi and marlins chromoly inner and outers never broken one

87pickup · « **Reply #6 on:** May 27, 2009, 06:38:58 PM »

37" maxxis creepy crawlers @ 4psi. I have redlined the 3rz in double low and never broken a thing.

Quote from: NaturalDisaster on May 27, 2009, 02:30:38 AM

I have been running them a couple years now on 39 inch bfg red label crawlers and about 5 psi with no breaks at all and i have used it plenty hard they are worth the cost

Thats a true testament if they are standing up to red label 39's

topar · « **Reply #7 on:** May 27, 2009, 06:39:40 PM »

Longs Hub gears, birfs and 30 splines. with a v8 and 5.29 gears and 36" Iroks. No problems other than the broken transfer case which has kept me from wheeling for about 2 years now

However you wont go wrong with Longs!

88_Pathy · « **Reply #8 on:** May 28, 2009, 12:01:35 AM »

Marlin Chromos with 37 MTRs. Work great.

Volcom · « **Reply #9 on:** May 28, 2009, 02:08:42 PM »

39.5" Iroks, standard black steel wheels, (4-5 psi on the trail) with Longfield 30 splines & Hub Gears. Never had an issue and I don't carry any spare front axles with me.

pumkin toy · « **Reply #10 on:** May 28, 2009, 04:34:21 PM »

well its sounding to me like i REALLY need to invest in a set of longfields! i am tired of breaking axles. Thanks for all the info guys!!

tryn2Crawl · « **Reply #11 on:** May 29, 2009, 10:43:46 AM »

Quote from: 88_Pathy on May 28, 2009, 12:01:35 AM

Marlin Chromos with 37 MTRs. Work great.
[/quo

I believe he asked for LONGFIELD.............not Marfield

freds40 · « **Reply #12 on:** May 29, 2009, 02:42:29 PM »

Ben is running them in his XRRA buggy. IIRC the tires are 42" Pitbulls.

pumkin toy · « **Reply #13 on:** May 29, 2009, 10:16:15 PM »

Quote from: freds40 on May 29, 2009, 02:42:29 PM

Ben is running them in his XRRA buggy. IIRC the tires are 42" Pitbulls.

damn! i need some Longs!

Thomas P · « **Reply #14 on:** May 29, 2009, 10:59:17 PM »

i was runnin 39.5" Iroks for 2 years and now 42" Iroks for the last year and a half, and no problem with my longs

boggerunner · « **Reply #15 on:** May 29, 2009, 11:06:54 PM »

37 mtr's with 5 psi for 3 yrs now

95SAS · « **Reply #16 on:** May 29, 2009, 11:16:41 PM »

38.5s 7 psi for a week or so....
37s 5 psi for about 6 months

And I beat the crap out of them too, No problems yet.

Thomas P · « **Reply #17 on:** May 29, 2009, 11:18:48 PM »

i forgot to mention i run 3-7 lbs in my 42"s depending on situation

pumkin toy · « **Reply #18 on:** May 30, 2009, 10:41:32 AM »

yeah i think bobby has his axles figured out! i really need some. maybe i can sell my house soon and buy some

Nothingface5384 · « **Reply #19 on:** May 30, 2009, 11:59:25 AM »

i'll be only running 35x12.50s..perhaps 37s down the line
i got the new style that turns an extra 40 degress

RokCrawlinToy · « **Reply #20 on:** May 30, 2009, 12:02:30 PM »

Irok 42s@ 4-8 psi depending on terrain, 30 splines drive flanges

pumkin toy · « **Reply #21 on:** May 30, 2009, 02:16:00 PM »

so i was lookin on there website and it looks like its about an 800 dollar bill for inners, outers and hub gears. i'm gonna have to start saving

Nothingface5384 · « **Reply #22 on:** May 30, 2009, 07:57:04 PM »

no.. i only paid like 695 for 30 spline superset plus pair of hub gears..

DieselD · « **Reply #23 on:** May 30, 2009, 10:01:15 PM »

Ive broke a inner side short side long...running 38x12.5 SXs

buy them, they are pretty much as good as it gets unless your going 1tons and then even they have there own issues

pumkin toy · « **Reply #24 on:** May 31, 2009, 09:23:02 AM »

Quote from: Nothingface5384 on May 30, 2009, 07:57:04 PM

no.. i only paid like 695 for 30 spline superset plus pair of hub gears..

well looking at their website it shows the superset is 630.00 and the hub gears are 65.00 each so that comes to a total of 760.00, plus shipping it would be almost 800 bucks. but i still think it is worth it. i'm so over my birf elim kit. its a PITA! the axles are a pregnant dog to put together with the big u-joints, and i had to clearance my housing, and i had to replace my stock spindles. so now if i want to get Longs i have to buy a pair of stock spindles because i sold my old ones!

Quote from: DieselD on May 30, 2009, 10:01:15 PM

buy them, they are pretty much as good as it gets unless your going 1tons and then even they have there own issues

yeah i could get a set of 1 tons from my boss for pretty cheap but its alot of work to install them. plus my toy axles already have gears and lockers so it would cost alot more to get tons. that would be my last resort. i'm gonna get some Longs as soon as i can afford it.

87pickup · « **Reply #25 on:** May 31, 2009, 01:17:14 PM »

I think longfield has free shipping. I just bought some drive flanges and they were shipped free

Nothingface5384 · « **Reply #26 on:** May 31, 2009, 01:43:58 PM »

yes, they do

Halladay · « **Reply #27 on:** Jun 01, 2009, 02:35:54 PM »

i have a buddy that is selling birf eliminators for 300 is that worth it i have a open front diff but when and if i get that kit im gonig to spool the front. and i have 35's now but going to 37" mtr's

pumkin toy · « **Reply #28 on:** Jun 01, 2009, 04:47:12 PM »

Quote from: Halladay on Jun 01, 2009, 02:35:54 PM

i have a buddy that is selling birf eliminators for 300 is that worth it i have a open front diff but when and if i get that kit im gonig to spool the front. and i have 35's now but going to 37" mtr's

well it might be worth it just for the fact that you can get new axles for free from the lifetime warranty. and they will be stronger than stock birfs for sure but you will probly still break them.

pumkin toy · « **Reply #29 on:** Jun 01, 2009, 04:53:44 PM »

here is some pics of the one that i just broke. this break was less catasrophic than past breakage i have had. the last one i ended up breaking both the inner and outer shaft into about four pieces each. i have never broken a u-joint though. i think the weak area is the narrow edges that wrap around the u-joint. thats what broke this time. the other thing that sucks is when they do break, the snap rings and bearing caps get all chewed up and get stuck inside the knuckle when you turn it. the inside of my knuckle is all beat to hell from those axles.

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