I don't use orifice plugs. I like to use a 4.8 band lever and then adjust the band to get rid of the overlap. You can get rid of the WOT overlap this way but it may still have a little at low speed. It's never perfect, there's always a comprimise.

"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 conversion.
2019 1500 Long Horn Crew Cab 4WD, 5.7 Hemi.