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hemi number guys #1590491
03/09/14 04:13 PM
03/09/14 04:13 PM
Joined: Mar 2004
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MD
HEMI472 Offline OP
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HEMI472  Offline OP
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MD
what year are these hemi heads?? g 28 3 2780559 and the other one e 29 3 2780559 and both heads also has a f on them thanks Ed

Re: hemi number guys [Re: HEMI472] #1590492
03/09/14 04:31 PM
03/09/14 04:31 PM
Joined: Jan 2003
Posts: 42,714
Spokane Washington
ScottSmith_Harms Offline
Mr Wizzard
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Spokane Washington
Are all of those numbers castings or stamped in? Pics?

Re: hemi number guys [Re: ScottSmith_Harms] #1590493
03/09/14 04:49 PM
03/09/14 04:49 PM
Joined: Mar 2004
Posts: 781
MD
HEMI472 Offline OP
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they are all raised casting numbers?? i dont see any stampings thanks Ed

Re: hemi number guys [Re: HEMI472] #1590494
03/09/14 05:16 PM
03/09/14 05:16 PM
Joined: Jan 2003
Posts: 17,516
Las Vegas, NV
6bblgt Offline
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Las Vegas, NV
cast #2780559 = part #2780557 ('66-'71 "street" HEMI cylinder head)

are you sure those "3"s are not "8"s? (or were they still casting "street" HEMI heads in '73?)

month*day*year

G*28*8 = 7/28/68
E*29*8 = 5/29/68

H*14*7 = 8/14/67

Re: hemi number guys [Re: 6bblgt] #1590495
03/09/14 06:02 PM
03/09/14 06:02 PM
Joined: Jan 2003
Posts: 42,714
Spokane Washington
ScottSmith_Harms Offline
Mr Wizzard
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Mr Wizzard

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Posts: 42,714
Spokane Washington
They did cast heads and blocks in 73 but I'd agree with your first date breakdown on these examples.

Re: hemi number guys [Re: ScottSmith_Harms] #1590496
03/10/14 12:58 AM
03/10/14 12:58 AM
Joined: Mar 2004
Posts: 781
MD
HEMI472 Offline OP
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HEMI472  Offline OP
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Joined: Mar 2004
Posts: 781
MD
thanks 6bblgt for your help ? i think i figured out what they are thanks Ed







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