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3 speed transmission swap HEF BK for HEF BB

Old 08-11-2009, 06:21 AM
  #1  
munson1578
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Default 3 speed transmission swap HEF BK for HEF BB

I have a problem with my 3 speed manual transmission(1964 1/2 with a 260 eng) and have found a used transmission from a 1965 with a 289. Both are 3.03. Mine is a HEF BB and the other is HEF BK. Are these interchangeable?
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Old 08-11-2009, 10:43 AM
  #2  
Starfury
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I was under the impression 3.03's didn't get put on Mustangs until '67. Somebody correct me if I'm wrong.
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Old 02-06-2019, 09:10 PM
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Sal Gerace
 
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Default hef bb trans

do you have the hef bb trans and is it for sale??
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Old 02-06-2019, 09:47 PM
  #4  
imp
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Originally Posted by Starfury View Post
I was under the impression 3.03's didn't get put on Mustangs until '67. Somebody correct me if I'm wrong.
From the '65 Mustang Ford Shop Manual:

"The 2.77 three-speed transmission is used in all models with a 144 or 170 CID engine."
"The 3.03 HEF Model three-speed transmission is used on all models having a 260 or 289 CID engine."
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