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So should oil be amber in color or dark after 20 hrs of use is the question I want to know. Years ago I asked a Honda engineer this question due to the natural gas civic's oil being so clean after many miles of use compared to a regular gas engine. He told me that the difference is the fuel type obviously and in a normal gasoline engine if the oil is still amber in color after 5k of use then its not doing its job of capturing contaminents. In fact it should be dark in color. This doesn't mean its necessarily bad just that it's detergents are doing what they're intended to do. I'm no engineer in any way, but this guy I talked to seemed to know his stuff.
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2005 Predator
Stage 1 Hot Cams CFM oil tank UM nerf bars and heel guards
Pro Aluminum skid plate and front bumper
Pure Polaris pipe K&N filter Jet Kit
Renthal bars, chain and sprockets Battery relocated
Civic style intake
1997 Trailboss
Jet Kit DG pipe
Modded cylinder fitted w/ 400 V-Force reed valve
Milled cylinder head
Namura piston and rings .040 over
Moose Racing gaskets
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