Quote:
Originally Posted by xntrx
Advancing can increase nox due to slightly increased cylinder pressures. This increase is also why most 80-90's car can benefit from some advancing (were retarded relative to ideal from the factory).
Can it improve your car? Depends. A D15z1 is advanced about 4 deg from the factory relative to all the others, and is why it has different timing marks. I have tried advancing and retarding it in 1 degree increments (-4/+4), nothing was better than factory. You would have to look at your car to tell.
If you're looking for low end, cut weight. Either from the engine, or chassis. Gearing will help too, but is just done off of the final drive will hurt highway mpg. There are other ways, but they can be hit/miss and not easy or cheap.
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Well I have a VX tranny in my HX so I like the tall gearing, I just wanted a little more torque so when I take off I don't take off like a snail.