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Why 3 inch vs 2 1/2 inch half shafts?

Brassplyer

Member
Joined
Nov 2, 2018
Messages
19
Location
Florida
I've been told that the 2 1/2 inch shafts are actually stronger than 3 inch shafts.

Why were 3 inch shafts used?
 
Joined
Mar 27, 2003
Messages
3,657
Location
Mustang, OK
Corvette
'13 427 60th vert - CTS V Wagon(4-door Vette)
I thought the bigger, 3-inch half-shafts were used on big block cars to handle the higher torque they could put out.
 

douglasamariani

Well-known member
Joined
May 12, 2008
Messages
184
Location
Anaheim Hills CA.
Corvette
2008 6.2 Coupe,1980 L48 Coupe,1968 427/4spd Coupe
Whoever told you that the 2 1/2 inch shafts are actually stronger than 3 inch shafts is wrong.
 

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