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CC Advertisers
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01-15-2003, 03:11 PM
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CC Member
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Join Date: Aug 2001
Cobra Make, Engine: CSX Cars
Posts: 754
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Not Ranked
C6ae-b
What type of 427 motor is this. Is it a S.O. or a C.O. The guy who is selling says it is a C.O. but in the motor casting sheets I have seen list it as a S.O. Is there something I should look at for final confirmation.
Thanks
Allan
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01-15-2003, 03:37 PM
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CC Member
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Join Date: Jul 2001
Location: Senoia,
Ga.
Cobra Make, Engine: 427SO with big twin autolite inlines on custom intake, jag rear, top loader, wembeldon white, guardsmen blue stripes
Posts: 3,155
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Not Ranked
My book shows 1966 and 1966 S.O.
You know Ford!
__________________
Perry
Remember!, there's a huge difference between a 'parts' changer, and a mechanic.
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01-15-2003, 04:18 PM
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Senior Club Cobra Member
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Join Date: Oct 2000
Location: Las Vegas,
NV
Cobra Make, Engine: Kirkham#182/Shelby 496c.i.
Posts: 756
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Not Ranked
According to the casting #'s I have it's a 428.
C6AE-B
'66/ 428 c.i.d.
Police Interceptor, Solid Lifters
You better check further. 
__________________
"You can NEVER teach a pig to sing! You'd just be wasting your time and annoying the pig!"
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01-15-2003, 06:00 PM
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CC Member
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Join Date: Apr 2001
Location: San Diego,
CA
Cobra Make, Engine:
Posts: 1,112
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Not Ranked
I think the answer is it can be either a 427 or a 428. In addition, for that code you may need the date code to identify whether it is a SO or CO--believe it can be either there too.
__________________
Bill Malone
Gashole
CSX4786
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01-15-2003, 06:37 PM
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I'm a bonehead!
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Join Date: Jan 2002
Location: VA/DE/MD,
Posts: 129
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Not Ranked
whether it's a sideoiler or not can be told simply by looking at the driver's side of the block, lower portion...
center-oiler (from Gessford's site):
side-oiler (note the oil gallery running along the side of the block slightly above the crossbolts-from ebay):
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They serve also who stand and wait
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01-15-2003, 07:20 PM
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Senior Club Cobra Member
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Join Date: Mar 2001
Location: Seattle, WA,
Posts: 1,389
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Well in my book"Big block Ford engines by Steve Crist" it lists as -65 /66 so.
if you can take a look at the back of the block,if its a side oiler it will have two plugs left and right of the cam, co will be undrilled and just have the raised caststing
good luck , Karl
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Foolish consistancy is the hobgoblin of tiny minds
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01-15-2003, 08:36 PM
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CC Member
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Join Date: Apr 2001
Location: San Diego,
CA
Cobra Make, Engine:
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Yeah I guess its kind of silly to look for a date code if you are right there looking at the engine. 
Point is, though, it can be either SO or CO or 428.
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Bill Malone
Gashole
CSX4786
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01-15-2003, 10:47 PM
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CC Member
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Join Date: Jul 2002
Location: Portland, OR area,
OR
Cobra Make, Engine: Contemporary CCX33868 Sold. Just "playin' the boards now."
Posts: 634
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Not Ranked
I don't want to stick my neck out too far here, but C6 says the year 1966 and I am not aware of any CO blocks being built after 65. The SO came out in 65. I wouldn't argue the 428, because 66 is when it came out.
Al
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And too much is just enough."
--Carroll Shelby
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01-16-2003, 08:25 AM
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CC Member
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Join Date: Apr 2001
Location: San Diego,
CA
Cobra Make, Engine:
Posts: 1,112
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Hi Al, yes that is right. Supposedly after March 65, all 427s were SO's. But I think what may have happened is that some '65 blocks got this stamp too, and if they were early they may have been CO's. Who knows--a bit confusing at times.
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Bill Malone
Gashole
CSX4786
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01-16-2003, 09:03 AM
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CC Member
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Join Date: Jul 2001
Location: Senoia,
Ga.
Cobra Make, Engine: 427SO with big twin autolite inlines on custom intake, jag rear, top loader, wembeldon white, guardsmen blue stripes
Posts: 3,155
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Not Ranked
Actually it's
65-66 to 12/9/65 side-oiler
and 66 CO
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Perry
Remember!, there's a huge difference between a 'parts' changer, and a mechanic.
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01-17-2003, 05:16 AM
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CC Member
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Join Date: Oct 2002
Location: Honey Brook,
PA
Cobra Make, Engine: Contemporary, CCX 3748
Posts: 10
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Not Ranked
Al,
There are a copuple of possibilities. One is that the casting numbed is not clear on the 6 and it could be an 8 which would make the block a side oiler with hydraulic lifters. The other possibility is that it is a marine engine, drilled as a center oiler with hydraulic lifters. I have a pair of C5AE-H blocks I removed from a boat. These are side oiler, cross bolt blocks and are drilled as center oilers with hydraulic lifters.
Rhino
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