Stock rear ratio in 76 BBC C10?
 

Can anyone tell me what the rear end ratio would be in a 1976 C10 equipped with the 454 and limited slip rear options?

thanks!

We would only be guessing. What does the RPO code say in the glovebox?

I don't believe there is an RPO code if it is a stock ratio.
Nothing there I could find anyway.

Standard "should" be 3.08:1

The codes would be something like this:
GQ1 REAR AXLE - STANDARD (NON-POSI)
GT4 REAR AXLE - 3.73 RATIO
GT5 REAR AXLE - 4.10 RATIO
GU2 REAR AXLE - 2.73 RATIO
GU4 REAR AXLE - 3.08 RATIO
GU6 REAR AXLE - 3.42 RATIO

Thanks!, I'll take a look tonight.

Also, I don't have this info, but there should be a number stamped on the axle tube that can be used to find what ratio was used by the factory.

Thanks again Chris. I sent you a pm on a couple of other questions.
I appreciate the help and information.

Scott