I have kinda been experimenting front lips. I know the s10 front lip fits with little modification. Many guys run that.
I know in the datsun community 620 and 510's use Mk1 VW golf Large duck bills like this(
http://www.build-threads.com/project-51 ... 00-part-8/)
I bought one, doesn't fit like those do. I would have to realllllly modify and extend it to make it work.
Some datsun guys use 90's Toyota Four runners rear spoilers as their front lip.
Pretty much what i'm getting at is your going to have to modify something. Unfortunately nothing will be a direct bolt on for the LUV.
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1977, Currently in the process of SBC 350/TH350 Swap.