Just need alil help with my truck - The 1947 - Present Chevrolet & GMC Truck Message Board Network

hotrod_991 · 03-04-2010, 08:57 AM

ok first off i have no idea what model my truck is. the vin decoder says that is it a heavy half and came with a 350 4bbl factory. Manual windows locks. I am just curious cause until recently i called all squares silverados. Now i know there is a diffrence.

Next. I have the 10 bolt rear end. And am wanting to get a posi unit for it. does anyone know what spline there are? Also what is the best setup to you? lil bit of a budject but need a complete backage. Also some 3.73 gears.

Lastly what models and years would i be able to find a 12 bolt posi in teh junk yards?

Thanks for all the help.

03-04-2010, 08:57 AM	#1
hotrod_991 Registered User Join Date: Jul 2009 Location: Thibodaux, LA Posts: 479	Just need alil help with my truck ok first off i have no idea what model my truck is. the vin decoder says that is it a heavy half and came with a 350 4bbl factory. Manual windows locks. I am just curious cause until recently i called all squares silverados. Now i know there is a diffrence. Next. I have the 10 bolt rear end. And am wanting to get a posi unit for it. does anyone know what spline there are? Also what is the best setup to you? lil bit of a budject but need a complete backage. Also some 3.73 gears. Lastly what models and years would i be able to find a 12 bolt posi in teh junk yards? Thanks for all the help. __________________ "Buckle up I wanna try somethin!!" "of course it will hold!, I welded it!" 1977 c10 under knife for full rebuild, 5.3l 4l60e drive rain swap, replacement frame and green repaint

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