if the only reason to use it is paint, id go with the 69 setup....... the 83 one wont bolt right up and requires mods..... why not clean up and paint the 69 booster?
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My Truck pictures
www.xframeimpala.com
68 4x4 short fleetside 327 CH465 edelbrock intake and carb MSD distributor its the "SHAGROLET"
56 big window short stepside 235 dual 1 brls
64ImpalaSS 327
70 C10 LWB fleetside custom/10 350/TH350
IM me on aol SN= SHAGROLET