Increase performance

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11-20-2020, 09:10 AM

William757

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Increase performance

I recently purchased a 06 jag s-type 4.2l S and I’m trying to increase performance. I’m running at 350hp right now.

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11-20-2020, 09:30 AM

GGG

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Welcome to the forums William757,

I've moved your question from Jaguar Forums Feedback & Suggestion Centre to S-Type forum. This is the place to post technical questions about your model.

Graham

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11-20-2020, 01:46 PM

JagV8

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Quote:

Originally Posted by William757

I recently purchased a 06 jag s-type 4.2l S and I’m trying to increase performance. I’m running at 350hp right now.

Frankly I don't believe that. What makes you think so?

Easily the cheapest and best way is sell that car and buy an STR.

Not that you'll want to hear that...

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11-20-2020, 01:56 PM

Don B

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Hi WIlliam757,

Welcome to the Jaguar Forums! It's great to have you with us.

Since Jaguar rated the U.S. versions of the normally-aspirated 4.2L V8 at around 290 bhp, what has been done to your car to increase its power output, and how has it been measured?

Cheers,

Don

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11-20-2020, 02:38 PM

William757

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Quote:

Originally Posted by JagV8

Frankly I don't believe that. What makes you think so?

Easily the cheapest and best way is sell that car and buy an STR.

Not that you'll want to hear that...

The vehicle was originally purchased at a Jaguar dealership in Hawaii. I have the original car tag with make, model , specs , horsepower etc. it says 350 hp. Haven’t got it tested yet

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11-20-2020, 02:43 PM

William757

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Quote:

Originally Posted by JagV8

Frankly I don't believe that. What makes you think so?

Easily the cheapest and best way is sell that car and buy an STR.

Not that you'll want to hear that...

Quote:

Originally Posted by Don B

The vehicle was originally purchased at a Jaguar dealership in Hawaii. I have the original car tag with make, model , specs , horsepower etc. it says 350 hp. Haven’t got it tested yet

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