300M pieces

David Taylor said:
So I went over to CTM today. Turns out they are only about 12 miles from my house. It is some operation. Several large CNC machines hard at work on chunks of 300M. Jack is a super nice guy and spent 45 min with me showing off all kinds of cool stuff and talking about the new stub shafts. Paul, Richard and myself now have some on order. These will allow for 44 degree turn. Nice and sharp. He had one on hand and it really is a piece of art work. Unfortunately it will be approximately 8 weeks before I have one to take pics of.
He also showed off some new 1550 front stuff that makes 60's look like an old 260 size joint. Don't even want to think how much that stuff runs, and some 40 spline inners for his own rig. Hard to imagine how big this stuff is till you hold it in your hand.
Click to expand...


Ha I live closer than you! I live down the street on 78th and el camino and I pass his shop every morning on the way to work.

I got the grand tour as well when I dropped off averys 69 for shaft measurements.

I gotta convince jack to let me work a few hours every afternoon after I get off work for a set of 300m d60 joints.

I noticed he was using his ujoints as shifter knobs on his atlas.........that's insane.

After seeing longfields crap and jacks product and all the workmanship that jack puts into every piece, its a no brainer.

Longfields are half the price for a reason. When I held them side by side with a ctm I could see that I'd rather pay for the best and that's ctm.

Oh and that 300m candy apple looking thing looks ghey. Clicking metal makes usually means something is wearing and fast too......
 
Maxwell said:
i miss the fun of driving a simple piece of crap......those ctms are more
bling than i ever paid for a single jeep i've owned.
whatever, theres maybe 6 people on this forum that could afford that
kind of crap, but thanks for sharing your paycheck with us.

:pirate1:
Click to expand...

Yeah well thats life. Of course you don't need the eltra bling parts to wheel.
 
Here are some more pics from yesterday. Stopped by to order some sets of inner shafts. 1550 stuff just for Lincoln.
This is a 44 joint next to the big stuff
1550004.jpg

1550003.jpg


The stub is Billit. from something like a f650. Like this they will turn 60degrees.

Oh, Cracker the mill is fixed. Maybe it's not to late to take your shafts back for the cut outs.
 
Last edited:
David Taylor said:
Oh, Cracker the mill is fixed. Maybe it's not to late to take your shafts back for the cut outs.
Click to expand...

Thanks

Since Dumptruck seems to go by there every day now, I will ask him to take them over and clearance them.
 
I got a job over there with jack working for parts.I woulda been there yesterday but I had to replace the radiator in my wifes jeep.

looks like I might be joining the 300m crowd soon as well.....

now I just have to build everything else on my junk to match .
 
xDUMPTRUCKx said:
I got a job over there with jack working for parts.I woulda been there yesterday but I had to replace the radiator in my wifes jeep.

looks like I might be joining the 300m crowd soon as well.....

now I just have to build everything else on my junk to match .
Click to expand...

Can you square away my shafts?

-Avery
 
Are those Paule's? I know they are running Jacks 1550 stuff and their new axles are spidertrax with Hih-9's. They just did a TJ and got 56 deg from the steering, the ones for the buggy should be 60deg.
 
Those things give me a woody. :D

Probably Paule's since there's were done a while back. Here is the story I got from Jason.

F650 knuckles to clear the massive yokes. F650's still use a D60 style yoke though. :confused1

Spidertrax is working on their knuckles to accept a 1550 yoke and use the regular 250/350 Ford unit bearing.

That's all I have, so I must go squirt on myself now.
 
Very pretty.

So is the larger area near the splines for the seal surface? Regardless, why not forego a little bit of machining process and leave it that diameter all the way down?

I'm well famailiar with stress risers at transitions, and I realize that the minor diameter at the splines is still the smallest point and most susceptible to twist...just wondering why they're built that way.
 
vetteboy said:
Very pretty.

So is the larger area near the splines for the seal surface? Regardless, why not forego a little bit of machining process and leave it that diameter all the way down?

I'm well famailiar with stress risers at transitions, and I realize that the minor diameter at the splines is still the smallest point and most susceptible to twist...just wondering why they're built that way.
Click to expand...

So you don't twist splines?
 
In a front D30 axle, I've broken 7 u-joints without harming any splines. On a D44 front axle I've broken 2 stock shafts before anything else showed any damage.

In my rear, I was recently informed that the stock XJ D44 I sold to JoeShmoe on here had some twist on one of the shafts. I think I have the cause on video, because I remember watching it and thinking wow, that rear axle really loaded up there...

All I'm wondering is what's the point, because it looks like the remainder of the shaft was turned down after the seal surface. Dana did this same thing on the earlier stock D60 35-spline inners and later kept the same diameter out to the spindle bearing instead of bringing the diameter down.. Just wondering why they were made this way is all.
 
vetteboy said:
In a front D30 axle, I've broken 7 u-joints without harming any splines. On a D44 front axle I've broken 2 stock shafts before anything else showed any damage.

In my rear, I was recently informed that the stock XJ D44 I sold to JoeShmoe on here had some twist on one of the shafts. I think I have the cause on video, because I remember watching it and thinking wow, that rear axle really loaded up there...

All I'm wondering is what's the point, because it looks like the remainder of the shaft was turned down after the seal surface. Dana did this same thing on the earlier stock D60 35-spline inners and later kept the same diameter out to the spindle bearing instead of bringing the diameter down.. Just wondering why they were made this way is all.
Click to expand...

These guys are weight freaks (no offense). Probably has something to do with saving a few ounces to keep the front end light.
 
Capt. Nemo said:
These guys are weight freaks (no offense). Probably has something to do with saving a few ounces to keep the front end light.
Click to expand...

Every little bit helps, I guess...

(my rig is the antithesis of weight savings)

Since it's been quoted and I can't edit it anymore, I'll just mention that where I said "spindle bearing" before, I really meant just to the yoke end of the inner shaft.
 
man i havent been over there in two weeks, looks like i missed some good stuff.......
 
Looks like I'll be swapping axles after this weekend.

:D


When you have chromo axles and CTM's in the front, it makes me wonder about those semi-float 1541 axles in the back (except farmerboy, and Cliff). I guess it just means you're NEVER going to break a front axle.

Opps! I used that word....... :)
 
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