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post #1 of (permalink) Old 12-21-2001, 10:07 PM
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m715 rear axles?

i have a buddy who just got a rear d70 with 5.13's. i believe it is from a m715 because it has the big 6 lug pattern. anyway does anyone know if it can be converted to 8lug? i havn't looked at it yet but i was wondering if the wheel hub can be redrilled to the 8lug pattern. anyone know? i'm at work and havn't got to look myself so i thought i'd ask to see if anyone else know off hand. thanks

brian wilson
80 cj5 "high 5"
stretched to 100" wb
vortec350/4L80E/d300/d60fr/14br/detroits/4.56/38's
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post #2 of (permalink) Old 12-21-2001, 11:41 PM
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Re: m715 rear axles?

If it is from a 715 it should have 5.87 gears. I haven't heard of anyone swapping to 8 lug. It may be possible but you'd have to drill the drum as well. Maybe I'll look at mine tomorrow and get back to you. It is also possible that it is from a 60's Power Wagon, gear ratio sounds right and they also used a big 6 lug pattern.

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post #3 of (permalink) Old 12-22-2001, 12:03 AM
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Re: m715 rear axles?

this rear has 5.13's according to the tag on it. he will go to discs at the same time so he would start with 8lug rotors. i am wondering if the back side of the flange on the wheel hub is flat. if it is it will be nothing more than pluging and welding up the origional 6 holes and redrilling the 8 lug patter. he could use the 8 lug rotor as the guide too. thanks for the info anout the power wagon. could be.

brian wilson
80 cj5 "high 5"
stretched to 100" wb
vortec350/4L80E/d300/d60fr/14br/detroits/4.56/38's
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post #4 of (permalink) Old 12-22-2001, 06:46 PM
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Re: m715 rear axles?

BA, the M715 d-70 isnt that great of a rear axle.. i think it has 17 spline axle shafts.. try finding parts for that thing..
of course, i'm not at all impressed with the m715's front d-60 either

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post #5 of (permalink) Old 12-22-2001, 07:49 PM
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Re: m715 rear axles?

I agree with you based on the stats, but I have seen them in action, and was absolutely amazed at the abuse they'll take.

There is a guy up here running them under his M-715, with a swapped in SM465 and FI 350. He welded the front and added hubs, left the rear open (for now). I have seen him abuse that thing beyone belief, and he has had chunks of metal blow through the front cover. No problems though, they just took the cover off and re-welded it. I have seen him repeatedly attack a ledge, ramming it onto the ledge time and time again, and was amazed at how much abuse it took without snapping.

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post #6 of (permalink) Old 12-24-2001, 08:07 AM
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Re: m715 rear axles?

Don't discount the rear 715 rear axle...they are alot tougher than people think.
D70FF/5.87 gears/1.5" 23 spline axles/detroits are cheap
You can break anything, there 715s with big blocks and 39-44" tires and the rear axles hold up fine...



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post #7 of (permalink) Old 12-24-2001, 08:11 AM
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Re: m715 rear axles?

I think the 17 spline axles elusive is thinking of are the Eaton's used in '68-'72 Chevy Trucks.

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post #8 of (permalink) Old 12-26-2001, 08:38 PM
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Re: m715 rear axles?

it is a 23 spline 1.5" shaft. i really don't think a v6 toyota motor will hurt it. he is going with it because it already had the 5.13's in it. he will weld the diff (it has some sore of l/s but i have never seen one like it) and it can be converted. he is using a jeep cherokee front d44 wit chevy 8lug d44 outers. he will use the calipers from the stock cherokee outers as well as the brackets to build rear disc's all he will need is a set of 3/4ton 8lug rotors to use as a guide to redrill the d70 wheel hubs and to use for the brakes and he will be set. he is trying to spend as little as possible or another rear would be used. but like i said i doubt he will ever have a problem with the stock toy v6.

brian wilson
80 cj5 "high 5"
stretched to 100" wb
vortec350/4L80E/d300/d60fr/14br/detroits/4.56/38's
post #9 of (permalink) Old 12-27-2001, 05:54 PM
 
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Re: m715 rear axles?

i think you friend may be at a loss for power turing that huge axle with a weak 6 cyliner. I know you guys are into crawling and not mud where it doesn't matter as much.

BarrelRoll

97 TJ

Wheel it or drive a minny van

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post #10 of (permalink) Old 12-27-2001, 07:01 PM
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Re: m715 rear axles?

how do you figure? yes the d70 is heavier but why do you think it is harder to turn than the toy axle? gears are gears.

brian wilson
80 cj5 "high 5"
stretched to 100" wb
vortec350/4L80E/d300/d60fr/14br/detroits/4.56/38's
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