Quote:
Originally Posted by C/K Man
The 6.4L is not durable enough for a truck like the Topkick and Kodiak 6500/7500/8500. What is needed is an engine like the Isuzu 7.8L, Caterpillar C-7, Cummins ISC, navistar DT-466 (now called the Maxforce).
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My Bad, it was my understanding that 4500/5500 series was on the block aswell. It could work though on lower power, they did put the Vortec 8.1L in them and Ford used the 6.0L in F 650/750s.
My basic point though is Navistar has thier own line of engines, Maxx Force DT,9 and 10.