TwinTurbo.NET: Nissan 300ZX forum - oil residue on bumper
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Subject oil residue on bumper
     
Posted by WazTTed on July 20, 2015 at 8:42 AM
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Message ive been dealing with a weird oil residue covering my rear bumper after long runs.

TT vg30dett, built motor, rods pistons cams etc 500hp on 18psi

drives perfect no issues
compressions fine
powers good
boost fine
turbos rebuilt
intact stock pcv system
not sure what else it could be really. unless turbos are getting to much oil or something.. restrictors are in place tho !
czp oil lines

anything else i that would cause this residue??

     
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