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I’ve got a 78 1/2 t Sierra grande with a dead 350 in it so I got to thinking why not put a 6.5 turbo diesel in it instead of another 350? Now as far as I know the 92 and 93 years had a mechanical fuel pump and minimal electronics to deal with if I go this route. Any advice would be appreciated!


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I’ve got the SM 465 and NP 205 which I think would work behind the 6.5? I could use my existing front Dana 44. As long as I can use at least my 205. Advance adapters has one for gm nv4500 to gm 205 for 650$ roughly.just need to make sure I can use nv4500 behind 6.5 if I go that route. Does anyone know how well the 465 mounts to the 6.5?

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