Outer Limits 4x4 Board

As the title says Longfield Vs Dirty 30s Your thoughs

Also lookand at running the creeper flanges good idea or not??


What type of CV are being used on tailshafts?

dirty 30s are US$499 ATM with full warranty from lowrange, how can you beat that!!

i have longs in the front and will be running dirty 30s in the rear, ill let youknow after a few runs

RHETT runs them and gives them a hiding with no problems

Dirty 30's should be fine although you will be running them in a heavier rig which makes a big difference.
It obviously depends on how you drive & where you wheel also. But by all reports the Dirty's aren't as strong as Longs , but not by enough for most people to justify the $$$ difference.



brooksy

I have a set of 30s and flanges on the way for my 73...... From my research they were the best option for me, I'm
more
worried about then rear axles but the 10mm bolt and dowls have held up ok thus far

I run longfields in my rig and have for 4yrs now, i just broke one but they replaced it free of charge and i had it with 2 weeks.... I would spend the money on longfields any day over any other CV out there.
As Brooksy said your rig is alot heavier than both rhetts and Evl's and Matty White's... All light weight zooks. If you are going to compete in TTC 2011 like yoiu want dont have do it it will cost you...

How bad can they be? They are made in China.

Isn't everything......
I run longs, and have brocken them, replacement was no problems, can't comment on 30's haven't run them.
Cheers Dan

dck7aok wrote:Isn't everything......

No, longs are made in America.

Well if you intend on competing in TTC (which I didn't know) then go Longs. Dirty's may last but that is the question ????
Longs are made in USA by RCV Performance.



brooksy

brooksy wrote: It obviously depends on how you drive & where you wheel also. But by all reports the Dirty's aren't as strong as Longs , but not by enough for most people to justify the $$$ difference.



brooksy

he drives like a girl. He had to put 40's on to break standard cvs

I have never had longs but I know there has been a few break, addmittedly they have been around for a fair while and wear would have played a part. As for 30s, as far as I know there has only one been broken in Aust so far. As for the warrenty Il tell you in a week or two.

[/quote]

he drives like a girl. He had to put 40's on to break standard cvs [/quote]

Thats nice real nice hows all that stuff I gave you for your LC going Ha???

I was down at the 4x4 show on the w/end and noticed on your 45 its spring loaded dropout fr bump stops. I thought they were pretty cool. And I am on your side

the gun wrote: your 45 its spring loaded dropout fr bump stops.

Pics?

I have longs, on my second set now.

Longs are good but they gall up pretty quick and bind up. Havnt heard of the new styles ones having the same issues.

Dirtys are also great, same top shelf design same heat treating. They are cheaper in comparison.

Is it just a name issue? Do people like buying from a tried and true company rather than a new/cheaper? - Id say so..

Would be good to see a destructive test between the 2.

I am pretty sure a destructive test has been done on both.



brooksy

Z()LTAN wrote:Dirtys are also great, same top shelf design same heat treating.

I would love to know where you got this info from. Because I can tell you now its bullshit.

They are not made by the same company they do not use the same material or quality of material and they are not heat treated the same as a Longfield. No other CV is heat treated the same as the Longfields even when made by RCV which is the company manufacturing Longfields. And I doubt Bobby has ever given anyone else his recipe.

Look and sound almost the same...
U can only induction heat treat cvs in so many ways, i know bobbys good but surely hes not doing anything that others cant do.

Dirty 30;

These Dirty 30’s are made out of 100% 4340 chromoly and are precision polished to remove any imperfections that may cause stress risers. The ball bearings are made from ISO 3920 grade 20 material and are precision ground to tight tolerances. The 30 spline axle shafts are 100% chromoly with a polished seal surface.

These parts have undergone years of extensive in-house and field testing and TG is proud to share the results with you. The average failure rate was consistently at 8500 ft. lbs. of applied torque at a 30 degree angle. They were also field tested at the Hammers in TG's competition FToy and other buggies and trucks with no failures to report.



Longfeild;

The new Longfield is made of 4340 chromoly. The balls are smaller which allows us to have a thicker bel and cage. The cage is a completely new redesign that gives more strength af full turn. The inner race is also a new and different design, made from 300M material. It is longer for added strength. The inner axle is also 4340 chromoly.

Thanks for proving my points

They both boast the same breaking force... So how can one be better than the other?

Isnt that really what we are buying these for?

the longfield graph shows them breaking at 8000 ft. lbs.? So does that mean they are weaker than the dirtys?

Z()LTAN wrote:They both boast the same breaking force... So how can one be better than the other?

Isnt that really what we are buying these for?

Boast all they like the Dirt 30 has been tested with witnesses on the same test rig as the longfields and here are the results as posted on pirate. Trailgear have never argued that these results are incorrect.
Tested at 35*
Test 1 results: 41 degree twist, 6000lbs, inner star broke, inner splines stripped.

Test 2 results: 44 degree twist, 6200lbs, inner star broke, inner splines stripped.



A stock Toyota birfield breaks at 4200 lbs.

But in any case your Longfield graph is outdated. His current Birfields are tested at 40* of turn and the short side inner axle fails at 8900-9000ft lbs with 120* of twist. The Birfield was unharmed.

Dirty 30s cant even turn to 40*. The inner axle hits the bell at 38*.

Also the Longfield is through hardened and cryo treated. The Dirty 30 is only surface hardened.

Also they both have a lifetime warrenty.

Difference is TGs warrenty is only valid to the Original Purchaser. Longfields is on the product no matter how many people have owned it.

Ps, Im not bashing Trail gear here just posting facts. They actually make a few really cool products for Toyotas.

Don't Longfields have more turning angle???

I would stick with Longfields and have dirty 30's for backup if I could afford to have backups.......

Tony,

do longfield still use the smaller balls?
also I can vouch for RCV building different cv's to different specs....or not at all

Serg

uninformed wrote:Tony,

do longfield still use the smaller balls?
also I can vouch for RCV building different cv's to different specs....or not at all

Serg

???? Bad experience, please tell

I am looking at running there CV joints in my D60's
https://www.rcvperformance.com/store/ca ... 56ee570d8a" onclick="window.open(this.href);return false; supposed to be the BOMB !! hoping not literally




brooksy

Max turning angle a Longfield is warranted to is 40*.
I have punished my longfields over the past 4 yrs in 2 comp trucks and only recently broke one and for those who know me im not shy of the skinny pedal. I had the replcement in my hand within 10days. and didnt have to send the broken one back. This is the reason i still run toyota diffs as nobodies CV's compare to Bobby's

brooksy wrote:

uninformed wrote:Tony,

do longfield still use the smaller balls?
also I can vouch for RCV building different cv's to different specs....or not at all

Serg

???? Bad experience, please tell

I am looking at running there CV joints in my D60's
https://www.rcvperformance.com/store/ca ... 56ee570d8a" onclick="window.open(this.href);return false; supposed to be the BOMB !! hoping not literally




brooksy

sorry if I wasnt clear

#1 I know that RCV make many different CV's for different companies that look the same and may even be made from the same material, but there are subtle design differences and the heatreating etc is spec'd for each so can vary also = a different outcome/cv for the same application

ie they were building rover type cvs for rovertracks and ashcroft, but they werent identical....

Bad experince = I had a mate try for 2 years (well before the other rover guys) and invest a fair amount of $$$ with them only to get screwed around, a few bad proto's and no end product....he just gave up.

I also contracted a company in the USA that was dealing directly with them and getting stuff made, I suplied them with working drawings and samples of inner axle spine, stub attachment etc and after 8 months the company I was dealing with said they couldnt get any where with RCV and refunded my $3500 for 4 proto's

so RCV may make good products, but are a pain to deal with.....not what you know but who...


AFAIC Longfields are very good for what they are.

cheers,
Serg

RUFF wrote:

Z()LTAN wrote:They both boast the same breaking force... So how can one be better than the other?

Isnt that really what we are buying these for?

Boast all they like the Dirt 30 has been tested with witnesses on the same test rig as the longfields and here are the results as posted on pirate. Trailgear have never argued that these results are incorrect.
Tested at 35*
Test 1 results: 41 degree twist, 6000lbs, inner star broke, inner splines stripped.

Test 2 results: 44 degree twist, 6200lbs, inner star broke, inner splines stripped.



A stock Toyota birfield breaks at 4200 lbs.

But in any case your Longfield graph is outdated. His current Birfields are tested at 40* of turn and the short side inner axle fails at 8900-9000ft lbs with 120* of twist. The Birfield was unharmed.

Dirty 30s cant even turn to 40*. The inner axle hits the bell at 38*.

Also the Longfield is through hardened and cryo treated. The Dirty 30 is only surface hardened.

Did you have a link to this....?