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#1
08-03-2004, 02:16 AM
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Block Casting Numbers
Hey guys I just went to http://www.nastyz28.com/sbchevy/sblock.html and looked up the casting number for my engine. It says my numer (3970014) is from a 70-73 ands its a 350 with 300 hp and its from a LA built Camaro. Does anyone know if this is correct or if theres somewhere else I may be able to double check this at? Thanks Again...............
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#2
08-03-2004, 08:50 AM
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I got a little different results. Says here its a 350, 2 or 4 bolt, 1970-1976. Also, I'm pretty sure if there was something that specific, this website would say so. There are other numbers that it specifies for Z28's only. Check it out and then bookmark it, I can't tell you how many times I've used to this site.
www.mortec.com
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#3
08-03-2004, 11:26 AM
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Re: Block Casting Numbers
my reference says 68-79 with 200-255hp, 2 or 4 bolt main.
http://www.thedirtforum.com/castings.htm#block
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 90 Camaro RS V6 - swapped to V8 -350 block, GM Vortec L31 Heads, Edelbrock Performer RPM Vortec intake, 750cfm carb, CompCams XE268 Camshaft ESTIMATED 360-420 hp 380-430lb/ft torque 
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