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-   -   SVT head and Non SVT head interchangeable? (

Dave037 11-10-2012 10:22 PM

SVT head and Non SVT head interchangeable?
Im new to the focus interest group and in the market to buy a used focus. I really like the looks of the SVT but Im more interested in gas mileage and using cheaper 87 octane fuel, so heres my question. If I purchase an SVT focus, can I swap the head for a non SVT head, and if so will this lower the motors compression or are the pistons also different in these motors?

Blue5ive 11-11-2012 01:01 AM

Just buy a zx3 or zx5 and forget about the svt. You'll save lots of money and time.

amc49 11-11-2012 03:25 AM

As he says. It is nowhere near that simple. The SVT has variable valve timing and the other does not. Doing so would also lower the value of the car.

ianmcc 11-11-2012 06:44 AM

Do what lots of people have done-buy an inexpensive ZX3 and swap the SVT specific parts onto it.

1turbofocus 11-11-2012 08:24 AM

No it wouldnt lower the compressionand yes the pistons are Diff.

You can run 91 fuel in the Focus would be about as low as I would go and even then you will give up some performance


Dave037 11-11-2012 08:47 AM

OK. Thanks guys. I was hoping the engines were basically the same w just a better head on the SVT. I'll keep looking for a gas sipping ZX3.

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