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tornado427

V8 Turbo Mack Motor

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up at my family's saw mill there is an engine that was pulled out of an R 700 L, and replaced with a BCIII 400 cummins. I was wondering what it is and if it would be worth rebuilding for high performance. it is a V8 with turbo, where should I look to find size and model #? thanks, :huh: Doug

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If you can't find it stamped on the engine block,look at the VIN# of the truck,if it was a R795,then the engine is a ENDT865,325 hp ,if it was a R797,then it is a ENDT866,375 hp.Either way,parts are getting scarce for both.

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up at my family's saw mill there is an engine that was pulled out of an R 700 L, and replaced with a BCIII 400 cummins. I was wondering what it is and if it would be worth rebuilding for high performance. it is a V8 with turbo, where should I look to find size and model #? thanks, :huh:  Doug

On the rocker cover there should be a plate with the info regarding DOB, and Hp rating,My 500 has it on the left front cover. nigel

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On the rocker cover there should be a plate with the info regarding DOB, and Hp rating,My 500 has it on the left front cover. nigel

Thanks, maybe the reason it was swapped out for the cummins was because of the lack of parts availability and cost I am going up there today to look for some steer axel brakes for truxnut, so I will look for the engine info then Thanks Doug

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I have heard the early V8s turbo and non turbo were troublesome. the later V8s were good engines and boy did they have some power.

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