Original Message
Can't tell.
By Dave Shoe - 11/15/2002 9:37:34 AM; IP 216.243.176.34
52 DIF
W1
1F4
352 80

It's either a 1961 or 1971 casting. If it's was a 1961 casting it'd have many more very clear markings, so I'm confident the block is a 1971 casting. It likely has 4 bolt holes tapped per motor mount which verifies it's a 1965-later block casting.

Since car engines were no longer being made in 1971 (the Galaxie 390 of 1971 was apparently a low-compression pickup truck engine), you can be sure it came from a truck. Whether it was an FE truck or FT truck, you cannot determine this from the outside casting features, as both FE and FT used the same outer markings.

If you pop out all six core plugs and "feeler gauge" between the cylinders with a 15/64" drill bit shank (sorry, I don't have the metric equivalent handy), id the bit fits between the cylinder jacket at any one spot, it's most likely an FE destined block of 360/390 origins. If it does not fit in even one spot, it's most likely an FT block with 361/391 origins. Both FE and FT bare blocks are quite interchangeable for car applications. There are a couple minor machining differences, that's about it.

Shoe.
This thread, so far...
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Collapse <a href=../ForumFE/reply.aspx?ID=15088&Reply=15088><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor15088" onclick="return false;">Is this 390 truck block?</a>&nbsp;-- <font color=#0000ff>Keke, <i>11/01/2002</i></font><script type="text/javascript">
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 Is this 390 truck block? -- Keke, 11/01/2002
Collapse <a href=../ForumFE/reply.aspx?ID=15147&Reply=15088><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor15147" onclick="return false;">Try again - did you check behind the starter motor? [n/m]</a>&nbsp;-- <font color=#0000ff>Mr F, <i>11/06/2002</i></font><script type="text/javascript">
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 Try again - did you check behind the starter motor? [n/m] -- Mr F, 11/06/2002
Collapse <a href=../ForumFE/reply.aspx?ID=15274&Reply=15088><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor15274" onclick="return false;">RE: Try again - did you check behind the starter motor? [n/m]</a>&nbsp;-- <font color=#0000ff>Keke, <i>11/15/2002</i></font><script type="text/javascript">
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 RE: Try again - did you check behind the starter motor? [n/m] -- Keke, 11/15/2002
 Ford did not offer solid lifters in truck blocks. -- Dave Shoe, 11/15/2002
Collapse <a href=../ForumFE/reply.aspx?ID=15280&Reply=15088><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor15280" onclick="return false;">there are no marks behind a starter motor on an FE</a>&nbsp;-- <font color=#0000ff>hawkrod, <i>11/15/2002</i></font><script type="text/javascript">
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 there are no marks behind a starter motor on an FE -- hawkrod, 11/15/2002
 The #1 cylinder skirt is the normal location. -- Dave Shoe, 11/16/2002
 Sorry - meant to type 'alternator'. SBs on the brain, I guess.[n/m] -- Mr F, 11/20/2002
Can't tell. -- Dave Shoe, 11/15/2002
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