If it were mine I would use the NV4500 with the 3.91 gear and a vacuum secondary carb. Any of those cams would work and I would probably use the 222 @ .050 cam with the 3.91 gear or the 214 cam with a 3.23 gear. I would not recommend the DP carb in a truck that heavy. I had a 650 DP carb on my W200 with a 4.10 gear and 31" tire and it didn't work out to well. I ended up converting it to a VS, much better now.
"Follow me the wise man said, but he walked behind"
'92 D250 Club Cab CTD, 47RH conversion, pump tweaks, injectors, rear disc and hydroboost conversion.
'74 W200 Crew Cab 360, NV4500, D44, D60 and NP205 divorced transfer case. Rear disc and hydroboost coming soon!
2019 1500 Long Horn Crew Cab 4WD, 5.7 Hemi.
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