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| engine serial number https://slantsix.org/forum/viewtopic.php?t=42838 |
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| Author: | DadTruck [ Fri Dec 10, 2010 10:57 am ] |
| Post subject: | engine serial number |
looking at the numbers on the motor that I got out of a 81 D150 head part number 4104362, so that is a 79-80 mechanical lifter head block casting number is 2806830-7, that makes it a 68-75 RG block the serial number stamped on the pad behind the alternator has 4225 T 312 I'm confident the 225 means it is a 255 what about the 4,, would that mean 1974? any idea on the T is the 312,,, March 12th? thanks |
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| Author: | 4speed [ Fri Dec 24, 2010 9:25 am ] |
| Post subject: | |
T is for truck? |
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| Author: | 66aCUDA [ Sat Dec 25, 2010 5:38 am ] |
| Post subject: | |
T= Trenton Plant |
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| Author: | DadTruck [ Sat Dec 25, 2010 7:18 am ] |
| Post subject: | |
found the magic decoder info at this site http://www.yearone.com/updatedsinglepag ... bers3.html from this it does appear the the 4 does indicate 1974 225 certainly is 225 the text indicates that the T for truck is after the year and before the displacement, at least on the V B/RB blocks, so perhaps this is a Trenton engine,, |
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