Engine id help

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Old

Apr 6, 2005 | 03:35 AM

#1

bootie

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From: New Zealand

Engine id help

just pulled the flathead out of my 41 truck and am trying to work out what year and specs it has - the head has EAC-6049-B cast into it - i'm thinking it is a 52-53 merc but not entirely sure - any body able to tell me what the 6049-b [part means

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Old

Apr 6, 2005 | 07:17 PM

#2

mtflat

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From: Kalispell, MT

You're right on the 52/3 merc. 6049 is the part number for a late series right hand head. The left side should read EAC-6050. The 'B' is just a series upgrade as far as I know.

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Apr 9, 2005 | 03:19 AM

#3

bootie

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kool the other head has 8RT on it is there any difference between the 8cm and the 8rt motors

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Apr 9, 2005 | 10:29 AM

#4

mtflat

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From: Kalispell, MT

From what I've seen the 8BA, 8RT and 8CM all have a similar cc volume and flow about the same. Your engine should run fine that way.

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