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3

Generally, in the automotive world, there are two different types of dynamometer (or dyno for short) which might be used: chassis dyno; engine dyno. I'll discuss the general procedures for each type of dyno. Every dyno operator has their own procedure and will operate it how they see fit. You have to allow for this mainly because it's their dyno, they paid ...


4

Upstream the throttle body A dirty intake by itself isn't the problem, but it is a sign of contamination of related components: MAF sensors don't take kindly to dirt This will usually lead to the fouling of the hot-wire(s), resulting in the underreading of air mass flow, which will lead to positive fuel trim correction. If the contamination is bad ...


0

Removing the acoustically engineered OEM intake and replacing it with a bit of pipe and cone filter is likely to result in a decrease in bhp. Most of the independent before and after tests done on non-turbo vehicles find that reduces performance.


4

Would there be a substantial enough of a horsepower boost to be noticeable? The most you could see from such a modification is 15hp. This would not be enough for the seat dyno to register, unless there are plenty of hemorrhoids to detect it. More then likely you'd see a measly 5-10hp, and then only at the higher RPM levels would this be apparent. You ...


2

The only thing that will make a big difference on an economy car motor (ie, more than a placebo effect) in terms of acceleration is forced induction. Having been down this road myself, I feel I should warn you now: once you start doing serious modifications, you're going to be maintaining your car a lot more. Get a spare car. best route is probably to get ...


7

bit of a braindump... Hard to get more specific without more specific requirements... Is this a drag car, track car, street car, daily driver, etc. Basically this will lead you to - where do you need power and how much do you need. "Speed costs money, how fast do you want to go?" Just about everything is a balance of top end power vs bottom end power. ...



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