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marks on hemi block need identifi? #939202
02/27/11 08:17 PM
02/27/11 08:17 PM
Joined: Jan 2004
Posts: 1,468
N.Y.
sixpacksteve Offline OP
pro stock
sixpacksteve  Offline OP
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N.Y.
have 66 hemi block with this mark, has a wierd cross and A sideways
does this mean anything? thanks

6500168-hemiblock001.JPG (114 downloads)

Hell Hath No Fury Like Mine
Re: marks on hemi block need identifi? [Re: sixpacksteve] #939203
02/27/11 08:49 PM
02/27/11 08:49 PM
Joined: Jan 2003
Posts: 25,750
Rio Linda, CA
John_Kunkel Offline
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Rio Linda, CA

The Maltese cross means .001" undersized crank, the A means .020" oversized cylinders.


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Re: marks on hemi block need identifi? [Re: John_Kunkel] #939204
02/27/11 10:14 PM
02/27/11 10:14 PM
Joined: Jan 2004
Posts: 1,468
N.Y.
sixpacksteve Offline OP
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N.Y.
thats not a maltese cross


Hell Hath No Fury Like Mine
Re: marks on hemi block need identifi? [Re: sixpacksteve] #939205
02/28/11 12:34 AM
02/28/11 12:34 AM
Joined: Feb 2004
Posts: 7,196
Harrisburg, Pa.
screamindriver Offline
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Harrisburg, Pa.
You have just the block ? What did the bores mic out to ???

Re: marks on hemi block need identifi? [Re: screamindriver] #939206
02/28/11 01:07 AM
02/28/11 01:07 AM
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Posts: 10,707
North Dakota
6PakBee Offline
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North Dakota
I have no clue what the 'cross' means as it looks like it's stamped on the pan rail. The 'A' is probably the finished bore size at assembly.


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Re: marks on hemi block need identifi? [Re: 6PakBee] #939207
03/01/11 06:18 AM
03/01/11 06:18 AM
Joined: Jan 2004
Posts: 1,468
N.Y.
sixpacksteve Offline OP
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N.Y.
the A is stamped next to cross,its a stock standard block


Hell Hath No Fury Like Mine
Re: marks on hemi block need identifi? [Re: sixpacksteve] #939208
03/06/11 03:34 PM
03/06/11 03:34 PM
Joined: Jan 2003
Posts: 10,707
North Dakota
6PakBee Offline
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Posts: 10,707
North Dakota
I don't doubt that it's standard. But if you look in a FSM for '66, there is a cylinder bore size chart in Group 9 as follows:

'A' 4.24975"
'B' 4.25025"
'C' 4.25075"
'D' 4.25125"
'E' 4.25175

That's what I mean by if it's on the pan rail it's probably the finished bore size.



"We live in a time when intelligent people are being silenced so that stupid people won't be offended".






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