What is the MPG for a Nissan 350Z with a Vortech Supercharger?

Question

I want to purchase a vortech supercharger for my 2004 350Z. I'm just wondering how much will the Supercharger affect my gas mileage? does anybody have this kit installed and can tell me what their exprience is with gas before and after the install?

Answer 1

Good news is that I actually have an 04 350z with a Vortech Supercharger, and I own a supercharger company so I know a lot about this topic.

Around town just driving around normal you can expect the fuel economy to stay the same. If you do step on it and drive hard it will show an average of 19mpg on the meter that we have.

Now I took a couple trips to Las Vegas and when my car was stock besides exhaust it showed an average of 24mpg. Well, last year I did the same drive with the supercharger and I got an average of 32mpg. So the Vortech actually helped out during those long consistent drives.

Now the supercharger has been my car for around 2 years now and has been flawless. There are over 40,000 miles with the blower on and it is okay so please don't listen to the other guy.

As long as you stay in the lower boost levels of 6-9psi you will be pretty safe. The Vortech out the box will give you around 6-7psi and at this boost level it is safe and you will be able to beat the EVO's, and STI's out there.

Now Vortech does design their systems around stock applications so you DO NOT need to build up the bottom end to make it stronger or to lower the compression. As long as you run 91 or higher octane fuel and you stay below 9psi you engine will hold up.

On top of that since these systems are complete it will have all the proper fuel and tuning accessories so your engine will run perfectly.

Now, just to give you a heads up of how the supercharger works since the other guy is misleading. The supercharger works under vacuum. So basically your engine will feel stock when you are just driving around normally, however it will feel slightly more responsive since the supercharger is helping the engine produce HP. Now once you give the gas pedal a heavy load it will then switch from vacuum to boost and you will then see a major improvement in HP and torque, that will pin you into your seat.

The HP lost from a supercharger should not even be a factor since you will gain so much more…usually around 120 HP plus. On top of this since it is always forcing air into the engine…your engine will be more efficient since your engine will not have to work as hard to produce HP.

I know this from experience…since I ACTUALLY own a supercharged 350z =)

Here is a link to my car with the supercharger that you are talking about. I know you will love it.

Answer 2

Nissan 350z Supercharger

Answer 3

Supercharger is just the begining. Any time you make the engine bigger with positive pressure you will need more fuel to run it with out leaning out and burning pistons. So what kind of boost do you think a engine with 10 to 1 compression can use? Already needing the best premium fuel to keep from ping and knock and your going to just throw on a supercharger on. Don't do it unless your want to lower the compression ratio to about 7 to one then you can use boost of about 14 to 17 psi. With stock engines and 91 octane your asking for problems. Headers and exhaust cold air intake not enough? And a professional tune on a dynometer should net you around 285 at the wheels. To bad your not starting with the HR 2005 annerversary edition engine with 306 stock HP and almost 300 at the wheels with headers intake exhaust and correct tune. Gas mileage will be horrible 13 14 in town and 25 highway with a supercharger that takes away 30 hp at 6,000 blower speed.

Answer 4

350z Vortech Supercharger

Answer 5

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Answer 6

I think the supercharger is a 10 hour job so just multiply that to whatever shop rate you can find. Racing seats takes about 2 hours total for both. Unless you want to retain the heated feature. A new hood is easy, so 1 hour.

Answer 7

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