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SparrTruck

1991 12-valve?

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I work in the office here at Sparr Truck and had a customer call looking for a replacement engine for their 1991 DM. They claim it came with and still has a 12-valve in it, so my question is how long did they run the 2-valves for? I had always thought that they switched over to all 24-valves in the 90's(other than the V8s, etc.).

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'85 was the year they went to the 4V heads,I wonder if what he has was a glider kit?

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We have an 87 DM mixer that has a 2valve in it. Plate on the motor says it's an 87'

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Two valve versions of the EM6-275L and E6-350 remained available for the DMM, and were equiped with Series Charged Air Cooling (SCAC) rather than Chassis-Mounted Charge Air Cooling (CMCAC).

Is this DM possibly a DMM?

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