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Old Jun 14, 2004 | 03:48 PM
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Question Please help identify motors!

I recently acquired two motors from my grandfathers old shop. Both motors are older FEs. How can I identify them for sure? One of them I'm told is a 428. The other is a 390 I believe. Are there block numbers or bell-housing numbers that will help me? What numbers am I looking for? Thanx!!!
 
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Old Jun 14, 2004 | 03:57 PM
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Your best bet is to measure the stroke or identify the crank. FEs are notoriously difficult to ID from casting numbers.

390 stroke is 3.78"
428 stroke is 3.98"
 
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Old Jun 14, 2004 | 04:10 PM
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Just for starters block ID,C6AE-A,C6AE-B,C6AE-F,C6ME,C6ME-A,C7ME,C7ME-A,C7ME-C
C8ME,,,I dont have the complete list I dont think? but that amy get you started on the 428 block #s,, and sometimes you have to pull a freeze plug out to see 428 inside the water jacket..
 
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Old Jun 14, 2004 | 04:19 PM
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RapidRuss
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And Like Greg said..pull 1 and 4 plugs and measure the stoke..bring #1 up to TDC...that will put #4 at BDC..and then mearsure the distance between the pistons with a wooden dowl..or something you can mark with a marker..Russ
 
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