Thread: 390 or 391?
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12-09-2003 11:26 AM #1
390 or 391?
What's the difference? How can I tell them apart?Andy
My project build video:
http://www.youtube.com/watch?v=iubRRojY9qM
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12-09-2003 12:48 PM #2
Hey Andy, heres FE #s
FE Casting Numbers
Blocks (C1AE8015C)
390 cid
C1AE-CC1AE-GC1AE-VC2AE-BC
C2AE-BEC2AE-BRC2AE-BSC2SE
C3SE-AC3AE-KYC3ME-BC3AE-AY
C4AE-DC4AE-FC5AE-AC5AE-B
C6MEC6ME-AC8AE-AC8AE-C
C8AE-ED3TE-1D3TE-ACD3TE-HA
D4TE-ACD7TE-BA
406 cid
C2AE-JC2AE-KC2AE-VC2AE-BD
C3AE-DC3AE-V
427 cid
C3AE-MC3AE-ABC3AE-ZC4AE
C4AE-AC5AE-AC5AE-EC5AE-D
C5AE-HC6AE-BC5JE-DC6JE-B
C6AE-CC6AE-DC7AE-AC7JE-A
C8AE-AC8AE-BC8AE-H
428 cid
C6AE-AC6AE-BC6AE-FC6ME
C6ME-AC7MEC7ME-AC8MEObjects in the mirror are losing
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12-09-2003 07:15 PM #3
"FE" stands for "FORD EDSEL"!!!!!!!
I thought you geezers would know that?Ensure that the path of least resistance is not you...
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12-13-2003 06:54 PM #4
for all you guys thay dont know ,FE does stand for Ford Edsel,or for us ford lovers first everyday!!!!!!!!!!!!!!!!!!!dave
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01-26-2004 05:57 PM #5
no no its f___n exspencive
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01-26-2004 08:57 PM #6
Am I the only one here that cares at all for the FE motors? Well maybe that just because Ive got one and am intending on using it."its better to rule in hell, than serve in heaven."
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01-27-2004 03:34 PM #7
I have two with the FE motor,are rats and mice what the pest controll are called to get rid of?. My pest controll for the chevy varmints are a sledge hammer to every one that gets in my driveway,even though I have a chevy when it comes time to repower it wont be with one of the varmint motors.
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01-27-2004 04:41 PM #8
Who would have thought a bow-tie geek could read? I guess he's reading about the blue ovals to find out where the real power is. Your heading in the right direction now!!!!
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01-28-2004 04:09 AM #9
Originally posted by techinspector1
Andy, according to my research, the best way to tell a 391 is by the oil drainback hole in the block low on the passenger side about halfway back, just above the pan. This was to drain air compressor oil back to the pan.
The 330MD, 359, 361, 389 and 391 were all designated as "FT" engines as opposed to "FE" passenger car engines. FT's were used in medium and HD trucks. The blocks were cast from a high-grade iron alloy with manganese, silicon and other alloys added to improve durability. Most blocks were strengthened with thicker main caps and main bearing webs. The FT uses the FE oiling system, including hydraulic lifters. A larger distributor shaft bore was used in the FT to accomodate a larger 5/16" HD oil pump drive shaft. FT blocks do not have the "352" cast into the front of the block like FE's. Most, but not all FT's have a mirror image "105" cast into the front of the block. The front snout on the FT's crank is a larger diameter than the FE's, so must be turned down to use FE components on the front of the motor. All FT's used forged cranks. Forged cranks can be identified by a wide parting line as opposed to a very thin line on cast cranks. Also, if the crank is out of the motor, hold it up in the air with a pliers or piece of wire (not held with your hand) and smack a counterweight with a hammer. If it rings like a bell, it's forged. Hope this helps.
I have a 73 motorhome with what I thought was a 390 big block does this means that it most likely is a 391 fe big block. Two barrel carb. Ed ke6bnl So. CalifEd ke6bnl@juno.com
1963 Ford Econoline 5 window
1950 Ford F1 pu
1948 Ford F3 pu
1953 Chevy 3100 AD
1970 Chevy Short bed c10
1972 El Camino chopped top
Welcome to CHR. I think that you need to hook up your vacuum advance. At part throttle when cruising you have less air and fuel in each cylinder, and the air-fuel mixture is not as densely packed...
MSD 8360 distributor vacuum advance