Rear end gear ratio change or transmission change ?

[squaredeal91]

Where does it idle? 1500? Probably wrong tach setting. We went through something like this not long ago on another thread.

 

[Grit dog]

Elvis has left the building. And took the new guy with him….lol

 

[K5 Blazer]

I would recommend a transmission change with overdrive over replacing the gears.

 

[Ricko1966]

I would recommend a transmission change with overdrive over replacing the gears.

You're 9 months late to the party