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s14 Variable Valve Timing
Hello to everybody;
Im a proud owner of a 91 240sx Hicas, and am working on switching to a s14 sr20. I've viewed a few pictures of the s14, and have noticed a few things that seemed to be different which I would like to get some insight on. I believe the hump on the front of the valve cover to be part of the variable valve timing feature (which I no nothing about), however some other pict show the engine with a straight edge on the front. Im curious, are these two different types of the s14? The back of the valve cover does have the downward slant in both pictures, which I no is a good noticable difference in the s13 and s14,(blacktop of course) Can anybody help explain the difference in the two models?
Thanks
New Learner
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