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Old April 18th, 2010, 10:37 AM   #1
bjkttr
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390

Ok I have a 1978 ford 4x4 with a 390. I am looking to take my manual transmission out and replace it with an automatic, I been told that I need a C6 transmission, but I know they come with different bolt patterns and I am not sure which one to get. Please Help!
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Old April 18th, 2010, 10:53 AM   #2
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332 V8
352 V8
360 V8
361 V8
390 V8
391 FT V8
410 Mercury V8
427 V8
428 V8
They are getting hard to find. Look in the mid 70's f150-250 trucks.
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Old April 18th, 2010, 11:54 AM   #3
bjkttr
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I had some one tell me that I could use on off of a 351m.
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Old April 18th, 2010, 03:44 PM   #4
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whoever told you that was wrong. The 390 block has a rounded bellhousing, almost a circle, I am pretty sure the 351M shares its bell housing with a bigblock,429/460. I would have to go out to the garage and look to be positive.
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Old April 18th, 2010, 04:25 PM   #5
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are u sure its a 390? or a 78? 390 isnt stock for 78...infact 390s are kinda rare for trucks..usualy they are 360s but u cant tell from the outside..the 352/360/390/428 share bellhousings..they are "fe" series...351m/400/429/460 share bellhousings and are totaly diffrent
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Old April 18th, 2010, 10:05 PM   #6
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Quote:
Originally Posted by bigarsetrucks View Post
whoever told you that was wrong. The 390 block has a rounded bellhousing, almost a circle, I am pretty sure the 351M shares its bell housing with a bigblock,429/460. I would have to go out to the garage and look to be positive.
i havent actually seen the trans setup on an FE, but the 351M, 400 do have the 385 series bell pattern. or it is really close
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