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what does this casting # mean? 40088730-318 3 #1340570
11/24/12 02:42 PM
11/24/12 02:42 PM
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Posts: 189
mn
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flyman Offline OP
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mn
Cast on the side of the block, drivers side.

Re: what does this casting # mean? 40088730-318 3 [Re: flyman] #1340571
11/24/12 03:04 PM
11/24/12 03:04 PM
Joined: Aug 2003
Posts: 12,291
Kent, Wa
340SHORTY Offline
Truck Nut
340SHORTY  Offline
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Posts: 12,291
Kent, Wa
casting #
CID
third revision of the mold when casting


I am truckless..
Re: what does this casting # mean? 40088730-318 3 [Re: 340SHORTY] #1340572
11/24/12 04:30 PM
11/24/12 04:30 PM
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mn
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flyman Offline OP
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mn
Ok so what year does the # make it?

Re: what does this casting # mean? 40088730-318 3 [Re: flyman] #1340573
11/24/12 04:55 PM
11/24/12 04:55 PM
Joined: Jan 2003
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U.S.S.A.
JohnRR Offline
I Win
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Quote:

Ok so what year does the # make it?




that casting number was used for multiple years of the 318 after 73 or 74 , the date the engine was cast is on the side of the engine just like that number you posted , plus under the drivers side head there will be a stamped number that will tell you when it was assembled.







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