VIN question

[ray_mcavoy]

Originally Posted by Keith Seymore

It might say in here:

http://www.gmheritagecenter.com/docs...olet-Truck.pdf

K

Yes, it's listed in there under RPO F44 "Big-10" ... the GMC equivalent was a "Heavy Half".

Like andrewmp6 said, it was basically just heavier springs to bring the GVW up above 6000 lbs. I believe the whole purpose of doing that was to allow the trucks to be equipped with engines that fell into the "heavy duty" category in terms of emissions. Therefore they didn't need catalytic converters or other emissions equipment that would have been required on trucks under the 6000 lbs GVW limit.