Have you actually used those S13 / S15 valves in your GTiR engine? They are actually different and shouldn't work.. I was going to get Brian Crower to custom make an oversize set at one point..
I wouldn't bother to be honest. Unless you're really building a car thats going to make decent use of such a cam. I went down this route and had custom springs, seats, etc made up. You also then need to have some head work done just to allow that lift.
Other options would be a set from...
Getting that cast manifold to glow for any length of time is no easy talk.. I would be more inclined to say that something was wrong.
Tubular manifolds glow if they are farted at but the cast one is a lot thinker and takes a lot more prolonged heat.
I'm sure someone else on here had this...
From what I can remember its about an extra 1L of oil.. Replace the filters and add the normal 3.4L.. When the thermostat opens, add about 1L more oil.. Once its all cooled down you should be topped up on the dip stick with the extra oil sitting in the pipes and cooler..
You can run the 3071 but I just think its wasted on a standard engine. You'd have been better with a GT28RS running 1.5bar or there abouts..
Either way you will need to add 700cc Injectors, Z32 and have it remapped. Don't go using an A/F Pressure Regulator to adjust the fueling!!
As they...
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