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Author Topic: how exactly does a 20v engine work???  (Read 6508 times)

Veedubgt18v

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how exactly does a 20v engine work???
« on: 23 September 2004, 15:41 »
i been thinking about this and is it 2 valves inlet and 3 exhaust or the other wat round or 2 in 2 out and one that does both? or what im confused  ???
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Offline Gambit

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Re: how exactly does a 20v engine work???
« Reply #1 on: 23 September 2004, 16:06 »
3 inlet 2 outlet
« Last Edit: 23 September 2004, 16:09 by Gambit »
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Veedubgt18v

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Re: how exactly does a 20v engine work???
« Reply #2 on: 23 September 2004, 19:08 »
ok are the outklet bigger than the inlet?
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kniterider

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Re: how exactly does a 20v engine work???
« Reply #3 on: 23 September 2004, 20:27 »
yep 2 big exhuast valves and 3 small inlet valves, heres a pic of my damaged head which i removed when my cambelt tensioner failed.....


Gaz 8)
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Veedubgt18v

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Re: how exactly does a 20v engine work???
« Reply #4 on: 23 September 2004, 21:00 »
bit blurred but i understand now! and i suppose a v5 is a vr6 with a cylinder lopped off? must have a balancing device somewhere? sorry just wondering out loud about vw engines!
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kniterider

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Re: how exactly does a 20v engine work???
« Reply #5 on: 23 September 2004, 21:04 »
yup your assumpton of the v5 is correct, not sure how they balance it though but they are nice and smooth!

Gaz 8)

sorry for quality of pic, i was (as you can imagine, very pi55ed off at the time!!!)

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Offline JMallows

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Re: how exactly does a 20v engine work???
« Reply #6 on: 23 September 2004, 21:08 »
And i was always it was a five cylinder, with two in, and two out...!  ::)  :-[
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Veedubgt18v

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Re: how exactly does a 20v engine work???
« Reply #7 on: 23 September 2004, 21:13 »
eh?  ???
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Offline JMallows

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Re: how exactly does a 20v engine work???
« Reply #8 on: 23 September 2004, 21:37 »
Quote from: Veedubgti8v on 23 September 2004, 21:13
eh? ???

Well, two inlet, and two exhaust for each cylinder. Thats four, four times five, is 20.
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Offline Gambit

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Re: how exactly does a 20v engine work???
« Reply #9 on: 24 September 2004, 10:12 »
though VW are binning the 20v and going back to the 16v with 2.0 turbo unit found in the new GTI

apparently the FSI injection system doesnt like the 5 valve setup
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