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489 splines

Started by Crazy440, April 20, 2010, 08:18:27 PM

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Crazy440

April 20, 2010, 08:18:27 PM
Is there anyway of telling what spline my axles are without pulling one? It's a 489. These numbers are on the side. Thanks for any help.

28814489

2 10325

AAPW 171
I used to have a handle on life....but it broke off.

471_Magnum

#1
April 20, 2010, 09:16:57 PM
I believe All stock 8.75 axles are splined the same (30).

Pinion shafts on the other hand can be 10 or 29 spline.
"I can fix it... my old man is a television repairman... he's got the ultimate set of tools... I can fix it."

mikepmcs

#2
April 20, 2010, 09:25:30 PM
If the pinion nut takes a 1 1/8 socket, it is a 10 spline. If the pinion nut takes a 1 1/4 or 1 5/16 socket, it is a 29 spline.
Life isn't Father Knows Best anymore, it's a kick in the face on a saturday night with a steel toed grip kodiak work boot and a trip to the hospital all bloodied and bashed.....for reconstructive surgery. But, what doesn't kill us, makes us stronger, right?

Crazy440

#3
April 20, 2010, 09:46:38 PM
Thought they were all 30s.  Just wanted to make sure before ordering new axles.
Thanks for the info.
I used to have a handle on life....but it broke off.

mikepmcs

#4
April 20, 2010, 09:48:47 PM
ohhhhhh, axles....my bad..... :P
Life isn't Father Knows Best anymore, it's a kick in the face on a saturday night with a steel toed grip kodiak work boot and a trip to the hospital all bloodied and bashed.....for reconstructive surgery. But, what doesn't kill us, makes us stronger, right?

Nacho-RT74

#5
April 20, 2010, 10:59:59 PM
mostly STOCK 741s and 489 as far I know were 30, then mostly stock 742 were 10

not a general rule but mostly
Venezuelan RT 74 400 4bbl, 727, 8.75 3.23 open. Now stroked with 440 crank and 3.55 SG. Here is the History and how is actually: http://www.dodgecharger.com/forum/index.php/topic,7603.0/all.html
http://www.dodgecharger.com/forum/index.php/topic,25060.0.html

471_Magnum

#6
April 21, 2010, 08:34:16 PM
Quote from: Nacho-RT74 on April 20, 2010, 10:59:59 PM
mostly STOCK 741s and 489 as far I know were 30, then mostly stock 742 were 10

not a general rule but mostly

huh?

If you are talking PINION splines, they are 29, not 30.

We're talking about axle splines though.
"I can fix it... my old man is a television repairman... he's got the ultimate set of tools... I can fix it."

mikepmcs

#7
April 22, 2010, 05:32:44 AM
of course with the exception of the 10 spline pinions that also came in a 489 case.  ;D
Life isn't Father Knows Best anymore, it's a kick in the face on a saturday night with a steel toed grip kodiak work boot and a trip to the hospital all bloodied and bashed.....for reconstructive surgery. But, what doesn't kill us, makes us stronger, right?

Nacho-RT74

#8
April 23, 2010, 12:40:06 AM
oops sorry yes... I mixed stuff... WHAAATEVER LOL
Venezuelan RT 74 400 4bbl, 727, 8.75 3.23 open. Now stroked with 440 crank and 3.55 SG. Here is the History and how is actually: http://www.dodgecharger.com/forum/index.php/topic,7603.0/all.html
http://www.dodgecharger.com/forum/index.php/topic,25060.0.html

Kyles69

#9
April 28, 2010, 09:39:49 AM
My 69 Charger has a 489 case & the axles on it are 30 spline
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