Wheel Nut Seat Angle for T Type (86/87) Wheels?

[MrSony]

I've heard 45 and 60 degree... which is correct?

 

[pacecarta]

60
rockauto
raybetsos 8979N for the TType alum rim

 

[TurboTGuy]

60
rockauto
raybetsos 8979N for the TType alum rim

From a very good source, right there is your answer.

 

[pacecarta]

or from kirbanperformance #6695
https://www.kirbanperformance.com/product/303/GM+Factory+Original+LUG+NUT+(1)+#6655.html