Aside from its body, there’s absolutely nothing square about this 1978 Chevy one-ton heavy-duty. Oozing cool, this Squarebody C30 single-cab dually was rebuilt to be a daily driver - one the owner isn ...
Cummins engines are found in Ram trucks, but Allison transmissions are in GM's realm. Can you put an Allison transmission behind a Cummins engine?
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