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I have a ‘99 GMC Suburban K2500 with a 454 and I’m really thinking I’d like to swap out the 454 for a diesel engine. I have a travel trailer I pull with it and the GVWR is 8,500 pounds. Not really sure what route would be best. My goal is to have plenty of power for pulling in the mountains and not breaking the bank with a swap. What are some suggestions you all may have? I appreciate any and all feedback. Thank You!!!