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Unidentified V-8

Discussion in 'General Chevy & GM Tech Questions' started by b8k2jha, Mar 9, 2009.

  1. b8k2jha

    b8k2jha Member

    Hey does anybody know when GM switched from a left side dipstick to the righthand side on the older engines??? How about how to identify V-8 cid. by numbers??
  2. dwill3015

    dwill3015 Epic Member 5+ Years ROTM Winner 1000 Posts

    I found THIS SITE that has a good list of casting numbers.
  3. Z71_guy

    Z71_guy Epic Member 5+ Years 1000 Posts

    is this a loose motor or in a vehicle, you can try to use the vin if its in a car may not be original motor tho, what i did was use the casting numbers off a block i thought was a 400sm and found out it was a 350sm out of a early 80's pickup.
    I just googled the casting numbers and found it

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