Engine & Transmission
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Mountain Pass
Joined: Feb 2004
Posts: 205
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From: West Vancouver BC Canada
Engine & Transmission
All: My '66F250 came with a 390 in it, but PO gave me the original 352. The transmission, still in place, has C8AP 7006 C cast into side and a tag attached with PFB F on top line, 012406 on next line.
I assume this may be a C6 from a 68-70's vehicle and probably came with the 390.
Is this correct, do I have a C6?
If so, will it bolt up to the original 352?
I know I should just try it, but wonder if there is some experience out there that might be shared. Thx. Jeff
I assume this may be a C6 from a 68-70's vehicle and probably came with the 390.
Is this correct, do I have a C6?
If so, will it bolt up to the original 352?
I know I should just try it, but wonder if there is some experience out there that might be shared. Thx. Jeff
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If it is all aluminum and has an integral bell, it is a C6.
Iron case and aluminum bell? Cruise-0-Matic, or MX series trans.
C8 is 1968, but I can't decipher the rest. Others here can, but a quick look might tell you sooner.
Iron case and aluminum bell? Cruise-0-Matic, or MX series trans.
C8 is 1968, but I can't decipher the rest. Others here can, but a quick look might tell you sooner.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
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From: Simi Valley, CA
All: My '66F250 came with a 390 in it, but PO gave me the original 352.
The transmission, still in place, has C8AP 7006 C
(C8AP-7006-C = C8AZ-7005-C 3 speed MANUAL transmission case) cast into side and a tag attached with PFB-F on top line, 012406 on next line.
I assume this may be a C6 from a 68-70's vehicle and probably came with the 390.
Is this correct, do I have a C6?
If so, will it bolt up to the original 352?
I know I should just try it, but wonder if there is some experience out there that might be shared. Thx. Jeff
The transmission, still in place, has C8AP 7006 C
(C8AP-7006-C = C8AZ-7005-C 3 speed MANUAL transmission case) cast into side and a tag attached with PFB-F on top line, 012406 on next line.I assume this may be a C6 from a 68-70's vehicle and probably came with the 390.
Is this correct, do I have a C6?
If so, will it bolt up to the original 352?
I know I should just try it, but wonder if there is some experience out there that might be shared. Thx. Jeff
C6 = 17 transmission pan bolt holes.
FX/FMX/MX Cruise-O-Matic = 14 transmission pan bolt holes.
Are you sure the ID code reads PFB-F??
I could not find a listing for PFB-F in any 1965/79 Ford & L/M Passenger Car & 1964/79 truck parts catalogs.
However, all the PFB ID code prefixes I did find (PFB-A / -B / -B1 / -B2 / -D / -D1 / -D2 / -D3 are for F100/350 Cruise-O-Matic's, not C6's.
A Passenger Car or F100/350 C6 from this time frame (1966/72) would have a PGA or PGB ID prefix.
Thread Starter
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Mountain Pass
Joined: Feb 2004
Posts: 205
Likes: 3
From: West Vancouver BC Canada
Engine & Transmission
Number Dummy: Thx for your reply. You are an incredible resource person.
I checked my transmission again, and the codes I provided earlier are correct, i.e. C8AP 7006 C and PFB F on the alum. tag with 012406 below. The bell housing is aluminum and the casing and extension are cast iron. The extension casing itself is 7" long, which from other sources tells me my tranny is an C-O-M type as you guessed. Thx for your help. Jeff
I checked my transmission again, and the codes I provided earlier are correct, i.e. C8AP 7006 C and PFB F on the alum. tag with 012406 below. The bell housing is aluminum and the casing and extension are cast iron. The extension casing itself is 7" long, which from other sources tells me my tranny is an C-O-M type as you guessed. Thx for your help. Jeff
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