I am a new member . i am a retired body and paint person who does side work out of my garage . i do excel ant work for 35 dollars an hour instead of 80 to a hundred dollars an hour that body shops charge. i have 50 years of experience .owned my 91 Z for 20 years and know these cars well. love riding bikes as well. i live in chandler AZ 85224. the name of my shop is Pratt Auto. i bought 850 turbos and hi flow exhaust manifolds.timeing belt and water pump kit. i am not a mechanic and am having a hard time identifying the block.as a VG30DETT and could use some help with that.The vin is JN1CZ24H6MX504230 The block is VG30 976156 cast is 1130E 30P. Can anyone tell me if this is the original turbo block i would be in your det, Thank you , Jimster