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Author Topic: Exhausts  (Read 4039 times)

Offline VR6-Joe

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Exhausts
« on: 30 October 2009, 07:54 »
I'm getting a new car this weekend..

Does anyone know;

Firstly - The diameter of a 16v/VR6 exhaust
Secondly - The diameter of a 1.6 exhaust

I'm hoping I can swap the exhausts over with the help of a reducer but need to know which size reducer to buy.

Cheers
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Offline Len

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Re: Exhausts
« Reply #1 on: 30 October 2009, 09:31 »
Sorry Joe but which way round are you going? Fitting a Vr6 exhaust to a 1.6?

If so that wont do the engine much good as you will get back pressure!
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Offline Mikester

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Re: Exhausts
« Reply #2 on: 30 October 2009, 10:11 »
You can fit a VR exhaust to a 1.6 fine, its fitting a 1.6 exhaust to a VR6 that would cause back pressure.

Depending on your 1.6 engine size and age, it may be able to use the 8v to 16v reducer sleeve, but its certianly usable.

You can run a 16v or VR6 on an 8v bore exhaust, i know someone that done it for a conversion, its not ideal, but it doesnt mean death either.

Basically measure your 1.6 exhaust. 2inch is 8v, and 2.25 inch is 16v and VR size, although if you are planning on tuning the VR engine than 2.5inch is a btter option,and for turbo 3inch really, lol.
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Offline Len

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Re: Exhausts
« Reply #3 on: 30 October 2009, 10:34 »
Back pressure is caused by using too large a diameter! So fitting a larger exhaust causes the gasses to slow down, THAT is what causes back pressure!
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Offline Mikester

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Re: Exhausts
« Reply #4 on: 30 October 2009, 10:36 »
Fitting a larger exhaust will be fine.

Otherwise what is the point with tuners and exhaust manufactures making and fitting a 2.5 inch to a 16v/Vr6 when standard it is 2.25inch.

That would be the same upgrade in exhaust size from a 8v to a 16v/exhaust as said in the original post.

Shut up len. You have no experience with this.
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Offline Len

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Re: Exhausts
« Reply #5 on: 30 October 2009, 10:40 »
No experience sonny! Go back to school!


You only put a larger bore exhaust on when you increase the flow through the engine!
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Offline Mikester

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Re: Exhausts
« Reply #6 on: 30 October 2009, 10:43 »
Or when you ask a question on a forum, to people you trust for answers. To ask if it will work ok.

To which the answer is YES.
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Offline Wayne

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Re: Exhausts
« Reply #7 on: 30 October 2009, 10:46 »
Quote from: Len on 30 October 2009, 10:34
Back pressure is caused by using too large a diameter! So fitting a larger exhaust causes the gasses to slow down, THAT is what causes back pressure!

 :undecided: what is the point of fitting a bigger bore exhaust then.
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Offline Mikester

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Re: Exhausts
« Reply #8 on: 30 October 2009, 10:47 »
Quote from: Wayne on 30 October 2009, 10:46
Quote from: Len on 30 October 2009, 10:34
Back pressure is caused by using too large a diameter! So fitting a larger exhaust causes the gasses to slow down, THAT is what causes back pressure!

 :undecided: what is the point of fitting a bigger bore exhaust then.

There isnt mate.

Len told me :)
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Offline Adam

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Re: Exhausts
« Reply #9 on: 30 October 2009, 10:48 »
Len is right in what he is saying. So is Mike. Chill out!



Quote from: Wayne on 30 October 2009, 10:46
Quote from: Len on 30 October 2009, 10:34
Back pressure is caused by using too large a diameter! So fitting a larger exhaust causes the gasses to slow down, THAT is what causes back pressure!

 :undecided: what is the point of fitting a bigger bore exhaust then.

If uz use a vr6 xhaust it makes it sound like you haz a vr6 init bruv.
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