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ATHS Member
 
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Last Login: 3/9/2010 7:48:28 PM
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| I like to know the similarities and differences between the 2 engines, are parts interchangeable between the 2? The pros and cons as well as availability of parts for the A model 3406, thanks for the inputs.
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ATHS Member
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The early 3406A's were pre-combustion style=glow plugs for starting. The later 3406A's were direct injection. PC fuel system parts are getting expensive and with the economy and emmisions I forsee them becoming obsolete which is too bad. For a working truck I would recommend a B-model. Not alot of parts interchange between the two, fuel systems are different, heads different, timing covers different, etc etc.
Scott Waggoner
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| sub;3406; the early heads were the same, the pre chambers were replaced with a direct injection unit and the pump was retimed[in ca. the hp was rated at 380 on di and 360 on pc, over
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ATHS Member
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Last Login: 3/9/2010 7:48:28 PM
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| The truck I looked at is a 400 HP 3406A and it does not have the glow plugs to it. It is in a 1985 model Western star. The motor is a reman from 1992 in it and so I am thinking it is direct injection.
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ATHS Member
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Last Login: Today @ 2:43:34 AM
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The layer DI'd like the one you are looking at are very good engines. Performance will be equal to a B-model of the same rating.
Scott Waggoner
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