Electronic control unit....basically this is the computer which controls the engine. You can google the code which is stuck onto the ECU to find out which model vehicle it is for. eg;6 cyl, 8 cyl, auto, manual, etc. Each has a different code.
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The letter V stands for made in Flint.
1023 is October 23rd
The letters HW can mean its a 1965 model 327 or a 1969 model 350. The casting number should tell you which size it is.
if you want to get rid of your MAF sensor, you will need to upgrade your engine management. there are a few piggy-back systems like MAP-ECU . you could also go with a stand-alone system like the AEM EMS
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