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To tune or not to tune?


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Iv'e got a 5 week wait before my 2010 GT500 arrives from LA and my PC has been working hard finding out all the info I can. I have a few questions for you all. Hope you can help. Thank you in advance for your comments.

 

1. Should I get car tuned for New Zealand conditions? Air temp approx 8-15 degrees Celcius and sea level. We have 98 octane fuel too.

2. I have got some 20" CS40 wheels for the car, when I fit those, do I expect problems with ecu fault codes because tyre size is different and the tyre pressure sensors will not be fitted. What is the norm thing to do when changing wheels?

3. Iv'e read somewhere on here that the supercharger doesn't boost until the car has completed some miles. Is this true? It doesnt make sense as the SC is driven by belt.

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Grats on the new ride. I'll try to help with your questions. Yes you should (but you don't have to) get your car tuned for the 98 octane fuel, John Lund or Justin at VMP would be my choices (mine as well get a smaller pulley while your at it). The supercharger is restricted from the factory for something similar to the first 5 miles or 50 starts (helps break in and keeps the techs from pounding on new cars). You are going to need new tire pressure sensors (TPMS) for the new wheels, their about $25.00 each I believe.

Edited by jsarkis
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Iv'e got a 5 week wait before my 2010 GT500 arrives from LA and my PC has been working hard finding out all the info I can. I have a few questions for you all. Hope you can help. Thank you in advance for your comments.

 

1. Should I get car tuned for New Zealand conditions? Air temp approx 8-15 degrees Celcius and sea level. We have 98 octane fuel too.

2. I have got some 20" CS40 wheels for the car, when I fit those, do I expect problems with ecu fault codes because tyre size is different and the tyre pressure sensors will not be fitted. What is the norm thing to do when changing wheels?

3. Iv'e read somewhere on here that the supercharger doesn't boost until the car has completed some miles. Is this true? It doesnt make sense as the SC is driven by belt.

 

 

I think if you find someone with the right Dyno you can get Van & Jon Lund from Revan Racing to remote into the dyno and remote tune it.

 

If you run it on the 98 octane though you don't need to unless you want more power, in which case you probably want to do some suspension work before looking for extra ponies as the handling on a GT500 is pretty wild from standard.

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I wouldn't worry about getting a tune day one. Drive it and enjoy it stock for a few thousand miles. Make sure you don't have issues which is even more important since it's not like you can go down to your local Ford dealer for service.

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I do a lot of tunes for GT500s out of the US, your 98 RON gas is our like 93 R+M/2, so not a big deal. The air conditions are not really a big deal either, as the mass air automatically compensates for most of that.

 

It won't take many miles for boost to kick in.

 

Pulley and tune package will be the best bang for the buck on a 2010+ car to start with.

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I wouldn't worry about getting a tune day one. Drive it and enjoy it stock for a few thousand miles. Make sure you don't have issues which is even more important since it's not like you can go down to your local Ford dealer for service.

 

 

+1...

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I do a lot of tunes for GT500s out of the US, your 98 RON gas is our like 93 R+M/2, so not a big deal. The air conditions are not really a big deal either, as the mass air automatically compensates for most of that.

 

It won't take many miles for boost to kick in.

 

Pulley and tune package will be the best bang for the buck on a 2010+ car to start with.

 

 

Thank you for you input Justin, you have a great reputation with the members and clearly know what you are talking about. I own my own automotive workshop in Wellington, NewZealand, www.huttcityautoservices.co.nz so I have a clear understanding of what Im doing, just not the experience on the GT500. I have great respect for people like yourself because of your reputation for Customer Service.

I have spoken to a Ford tuner in Taupo NZ, Issac Performance, and they say the same thing about our fuel. I don't have a dyno & I don't specialize in tuning. What would you recommend is the best way I go about getting the car running its best with our fuel and conditions. Looking forward to hearing more from yourself and members.

Cheers from the land of "The All Blacks", Kiwis and Hobbet's

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Will you be forced to switch to right hand drive?

 

Thankfully no. New Zealand has a great law with LHD cars that providing its considered a collectable, coupe or convertible and high performance it can stay LHD. The only catch is that the car cannot be sold as a LHD within the first four years of ownership. This prevents people selling them for a profit.

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Plus, don't engines turn the OTHER way down there? I mean like the toilets?! THAT'S gunna be a problem!! :hysterical: :bandance: :hysterical2::hysterical3:

 

We also play contact sports without pads and helmets...........haha........haha.. All jokes aside, I think its pretty cool how these SHELBYS are making an impact world wide. When the people down here see a car like a 2010 GT500 driving around, there will be smiles from onlookers and driver. I believe there is a total of 6 2005-2011 Shelbys in New Zealand so there very rare to see. I cant wait.

 

As to my original post, Im now in conversation with Justin from VMP and he is going to sort me out. Thank you to Team Shelby for running such a great site that enables people like me to make contact with Shelby people that help newbies out.

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