I recently bought an 02 2500HD Silverado 4X4 with the 6.0L and an automatic and the tow package.The truck runs very well.It has 76k on the odo.I was wondering what the OD rpm's should be.I have 245s on it for tires.I'm running around 2100-2200 at 65 mph.Should they be lower or is this normal. Thanks.

 

sounds about right. whats the gear ratio?

 

I dont know off hand.Will one of the characters in the vin tell me?

 

Look at the RPO codes in the glove box, if you will list the ones that start with G I will be happy to look them up for you.

 

Thanks,I'll look in the morning and post back.