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Old February 5th, 2009, 04:00 PM   #1
solid95yota
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Default trail gears dirty 30 birfeilds

trail gear just made there birfeilds that are called the dirty 30's. they are almost and strong as longfeilds and about 150 dollers cheaper.they also have a lifetime warrenty no questions ask.

this is the page for em
http://www.trail-gear.com/birfield.html

just wondering what u guys thought. i am planing on ordering a set soon as i get my taxes back
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Old February 5th, 2009, 08:29 PM   #2
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They are actually only $110 difference after shipping. I would wait and see if they are actually "almost as strong" before calling them that. I normally don't bad mouth TG, but the fact of the matter is Longfield is PROVEN, TG is not. Not worth saving $110 on something as important as Front Shafts and Birfields.

I have ran Bobby Longs 30 spliners since early on. I bought them like 2 weeks after they came out. They are PROVEN and I have put them in position where they SHOULD have broke and they did not.
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Old February 5th, 2009, 08:34 PM   #3
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The longs turn 40deg. And they have the 300m inner star. I will be gitting the longfeilds for my axle. Spnd the extra money. They are also made in the USA!!!
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Old February 5th, 2009, 08:35 PM   #4
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Here is a post from Bobby Long on POR about this:

We knew this coming for quite some time, they even told me about that themselves. It's a free country, we feel our product is still the best on the market and made in the U.S.A. with over 150 employes working there.
Our birfeilds have the 300m inner race, and our 4340 chromoly is aircraft quality and through hardened (not surface hardened) and of course cryo treated afterwards.
Bottom line it is hard for us to compete with parts made in China.
We will always have our lifetime warranty and free shipping
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Old February 5th, 2009, 08:40 PM   #5
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Currently several threads (some tech, mostly BS) on pirate.

I will stick with Longfields. I need custom length inners anyway.

There are some unanswered questions right now about these parts.

1) max turning angle
2) warranty exceptions?

Yes, they say no questions. We'll see.

Being able to max steering out is one of the best things of the longs. I'm thinking they probably copy them dimensionally(although which generation of longs, there were 3 gens of the 30-splines I think), so are probably similar but at angle, how with the stars hold up.
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Old February 5th, 2009, 08:43 PM   #6
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Originally Posted by cruiserjg View Post
The longs turn 40deg.
We've been posting some good steering tips/tech over on PBB this week. I'm working to get an axle hopefully to actually turn 40*. If the whole axle thing is successful, I'll try to document what to modify. Won't really matter for the average toy, though, because usually the springs are the limiting factor before you can get to the 37-38* point that the felts bottom out anyway.
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Old February 5th, 2009, 08:50 PM   #7
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Another concern is gong to be the longevity of the TG product. How well will they hold up and how long.

If anything, I would guess you might see the longfield price coming down some and then it's a no brainer which to buy.
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Old February 5th, 2009, 08:57 PM   #8
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I have some extra front axles I might play with some ideas that I have to get the extra steering. I think my tires will hit at about 37 to 38 deg.
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Old February 5th, 2009, 10:03 PM   #9
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yea i have ordered alot of stuff for my truck through tg and i like all the other stuff and they seem pretty easy to deal with so i dont think the no qustions asked would be a problem but u never no.i want to the longfeilds its just i saw those and they were cheaper so i got excited lol and how they had the life time warrenty is always good. but yea i didnt get what i was thinking for tax returns so i dont no what will happen about ordering birfeilds. michigan taxs are killing us this year there taking it all.
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Old February 5th, 2009, 10:07 PM   #10
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have u guys heard anything good or bad about marfields?

http://www.marlincrawler.com/axle/fr...-um06-marfield
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Old February 6th, 2009, 08:26 AM   #11
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Your going to have a hard time finding anyone that is running anything else besides longfields.
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Old February 6th, 2009, 08:36 AM   #12
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I'm not a toyota guy but birfield/longfield/marfield? I see they are outer axle shafts/joints that are stronger than stock but they look like rzeppa joints on any cv shafted vehicle. What is special about them?
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Old February 6th, 2009, 09:24 AM   #13
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Quote:
Originally Posted by Flexin' XJ View Post
I'm not a toyota guy but birfield/longfield/marfield? I see they are outer axle shafts/joints that are stronger than stock but they look like rzeppa joints on any cv shafted vehicle. What is special about them?

Nothing special, just that they are aftermarket parts. The shafts are the same size and spline count as Dana 44 shafts, but are very strong. Stronger than dana 44 alloys with CTMs or similar.

Basically, same strength as 35 spline dana 60 (non alloy) stuff. For the average guy running 37s or less, breakage is virtually eliminated.

I know that for me, I wheeled my toyota for 3 years with 36s and 38.5s always locked f/r. On the same harder trips (tellico, harlan, D.I., Canada, etc), we always had several Jeeps on same size tires and dana 44s. I don't wheel easy on my stuff, never suffered any front axle failures of any kind (until a broken R&P on drummond, which was the result of showing off for the video camera). Every trip, the Jeeps suffered more than one broken dana 44 front end (joints, shafts, ball joints....). This is why the Jeep I am currently building is getting toyota axles.

Longfields also allow for 10 degrees additional steering than stock that the knuckle can physically turn, actually.

combine that with a lifetime guarantee, and you see why Bobby Long, and the 30-spline longfields have such a following. The advent of that product completely changed what you coudl do with a toyota axle.
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Old February 6th, 2009, 05:57 PM   #14
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Quote:
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Your going to have a hard time finding anyone that is running anything else besides longfields.
yea thats why i was asking ,cuz i didnt no to much about these other ones .thought u guys might no someone that has them or what not.
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Old February 7th, 2009, 11:31 AM   #15
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Quote:
Originally Posted by solid95yota View Post
yea i have ordered alot of stuff for my truck through tg and i like all the other stuff and they seem pretty easy to deal with so i dont think the no qustions asked would be a problem but u never no.i want to the longfeilds its just i saw those and they were cheaper so i got excited lol and how they had the life time warrenty is always good. but yea i didnt get what i was thinking for tax returns so i dont no what will happen about ordering birfeilds. michigan taxs are killing us this year there taking it all.
I like TG, my SAS parts are from them, and it was all high quality and I have not had any issues. However, when it comes to birfields, as everyone has said Bobby's Longfields are proven and another $100 or so for something proven is worth it to me. When I install a front locker, I will definately be upgrading to Longfields.
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