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Author Topic:   car vs. truck 31 spline axles

Posts: 346
From: Toronto,Ontario,Canada
Registered: Aug 2000

posted 04-16-2001 10:39 AM     Click Here to See the Profile for 70coupe     Edit/Delete Message   Reply w/Quote
I was told that the car 31 spline axles are better than the truck 31 spline axles! Is this true? Why? How do you identify one from the other?

[This message has been edited by 70coupe (edited 04-16-2001).]

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Posts: 19686
From: Lyons, IL, USA
Registered: May 99

posted 04-16-2001 03:12 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
One of the two has a more taper to it than the other near the spline end. This is of course providing that you are reffering to 9 inch differentials.

Alex Denysenko Co-Administrator and Moderator NHRA/IHRA/SRA member
Fleet of FoMoCo products
Moneymaker Bio
US Class Nationals link

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Posts: 4780
From: Delta BC Canada
Registered: Dec 99

posted 04-17-2001 04:31 PM     Click Here to See the Profile for TomP   Click Here to Email TomP     Edit/Delete Message   Reply w/Quote
first... truck axles are big ugly bastards, 5 on 5 1/2 bolt pattern and larger flange ,the shortest 31 splines are way too long for the cars.

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