The Vikings and Spartans were designed to accommodate a V8 engine. So, you are good to go. The AD trucks were only available with an inline 6. That's why you are limited to only a few engine choices (inline 6's) without having to make a lot of changes.

Good luck.

John


~ J Lucas
2006 GMC Envoy 4.2 I6
2023 Ram 2500/Cumins 6.7 I6
2010 Jeep Grand Cherokee (Wife’s)
2002 Silverado 2500 Gas 6.0
1941 Chevy 1/2-Ton
1942 Chevy 1.5-Ton SWB
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