The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - MS WTT: 3 series posi for 4 series posi-12 bolt

usmcchevy · 01-17-2011, 01:55 PM

Casting number. Mine is 32212. Not sure what a 4 series number is but post up what you have and I can do some research.

01-17-2011, 01:55 PM	#3
usmcchevy Has more rust than truck... Join Date: Apr 2005 Location: Ivanhoe, MN Posts: 2,421	Re: WTT: 3 series posi for 4 series posi-12 bolt Casting number. Mine is 32212. Not sure what a 4 series number is but post up what you have and I can do some research. __________________ 1972 Custom/10 SWB, 4.8/4l80e Build thread LSx Swap FAQ index