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VIS - Non VIS question on a 20V
#498499
07/12/2007 07:39
07/12/2007 07:39
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Joined: Dec 2005
Posts: 1,648 Ireland !!!!
darmtb
OP
club member 1890
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OP
club member 1890
My life on the forum
Joined: Dec 2005
Posts: 1,648
Ireland !!!!
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Been asked about a HGT Bravo from a guy I know. His question is about 20V engines and the VIS non VIS version, this is his question: "Is there actually any difference between those engines, major stuff like? I'm guessing neither is more reliable its just a few updates and a little bit of extra power." I don't know much about N/A 20V's myself apart from they sound fantastic
"Mighty MO"
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Re: VIS - Non VIS question on a 20V
[Re: darmtb]
#499113
08/12/2007 06:43
08/12/2007 06:43
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Kevcrab
Unregistered
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Kevcrab
Unregistered
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I don't know much about N/A 20V's myself apart from they sound fantastic Yes they do. ( what good taste you have! ) Never seen a VIS , so can't comment really..............they have about 5bhp more though
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Re: VIS - Non VIS question on a 20V
[Re: ]
#499169
08/12/2007 15:56
08/12/2007 15:56
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Joined: Dec 2005
Posts: 1,648 Ireland !!!!
darmtb
OP
club member 1890
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OP
club member 1890
My life on the forum
Joined: Dec 2005
Posts: 1,648
Ireland !!!!
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I don't know much about N/A 20V's myself apart from they sound fantastic Yes they do. ( what good taste you have! ) One day, after leaving a shop in town, I could hear a car revving away at the lights, sounded brilliant, but I couldn't see it because of a slight hill. I said to myself 'that's no Jap hatch! ' So I waited to see what it was, if it came my direction, it roared away from the lights, I thought it must be a V6 engined Alfa, it was a.....................................20V Marea !! I had seen it about town parked up, and this was the first time I'd seen it be driven. I think it has some sort of a sports exhaust and 17" aftermarket wheels and thats about it, no body kit/spoilers. A young fella drives/owns its, it's probably insured as the parents car, but top marks to him for not going the usual Civic/Corolla route I do hope he checks the oil though, all the revving and roaring away from lights will use a bit of oil.
"Mighty MO"
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Re: VIS - Non VIS question on a 20V
[Re: darmtb]
#499178
08/12/2007 16:29
08/12/2007 16:29
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h2ypr
Unregistered
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h2ypr
Unregistered
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Re: VIS - Non VIS question on a 20V
[Re: Rog20VT]
#499295
08/12/2007 21:36
08/12/2007 21:36
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Vickster
Unregistered
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Vickster
Unregistered
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Re: VIS - Non VIS question on a 20V
[Re: ]
#499323
08/12/2007 23:23
08/12/2007 23:23
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Joined: Dec 2005
Posts: 1,648 Ireland !!!!
darmtb
OP
club member 1890
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OP
club member 1890
My life on the forum
Joined: Dec 2005
Posts: 1,648
Ireland !!!!
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Cheers Rog !! @Hyper The guy who's asking about the 20V is in Dublin, but he's after a Bravo not a Coupé The guy with the 20V Marea is in the West of Ireland near where I live.
"Mighty MO"
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Re: VIS - Non VIS question on a 20V
[Re: skinflint]
#499475
09/12/2007 04:47
09/12/2007 04:47
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Kevcrab
Unregistered
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Kevcrab
Unregistered
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Re: VIS - Non VIS question on a 20V
[Re: ]
#500526
11/12/2007 05:21
11/12/2007 05:21
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DanielTheManual
Unregistered
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DanielTheManual
Unregistered
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Is that a Cybox exhaust Kevcrab? Sounds ever so nice!
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Re: VIS - Non VIS question on a 20V
[Re: skinflint]
#500568
11/12/2007 14:05
11/12/2007 14:05
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Joined: Dec 2005
Posts: 3,158 Near Reading
JohnS
I need some sleep
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I need some sleep
Joined: Dec 2005
Posts: 3,158
Near Reading
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I would go VIS every day of the week! The VIS engine is much easier to extract more power out of because it produced the higher power whilst also meeting more stringent emissions regulations. It isn't that complicated once you understand the CAN bus system that all the components hang off. The Stilo Abarth has the VIS and same sort of ECU arrangemnt.
Former low boost hero - 616BHP@1.5 bar. 2.4 20VT RIP
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Re: VIS - Non VIS question on a 20V
[Re: JohnS]
#500672
11/12/2007 17:10
11/12/2007 17:10
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DanielTheManual
Unregistered
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DanielTheManual
Unregistered
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I've just bought a VIS JohnS, what things different to a non-VIS can I do to extract more power?
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Re: VIS - Non VIS question on a 20V
[Re: ]
#501216
12/12/2007 05:24
12/12/2007 05:24
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555
Unregistered
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555
Unregistered
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Whats the VIS look like under the plastic engine cover?
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Re: VIS - Non VIS question on a 20V
[Re: ]
#501603
12/12/2007 23:38
12/12/2007 23:38
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Joined: Dec 2005
Posts: 3,158 Near Reading
JohnS
I need some sleep
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I need some sleep
Joined: Dec 2005
Posts: 3,158
Near Reading
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The VIS has a two-part cover. There is a black plastic unit that attaches to the cylinder head which you would describe as functional, and there a plastic cover which then attaches to that which is the equivalent of the rocker cover I suppose except it covers everything.
The VIS engines respond very well to having some carbon intake (BMC CDA I think). There are two cam sets available - the 20V Coupe C&B cams and the 20V stilo abarth C&B cams. The latter have more lift as far as I recall. You will only get the benefit from them if you lose the airbox. The downside to fitting an induction kit is you lose some of the bottom end grunt. Don;t fit a K&N filter as it will kill off the bottom end and destroy the benefit of VIS There is some sort of partial decat kit available I think which also makes a big difference. VIS works in a very similar way to the Porsche 993 VarioRam
Former low boost hero - 616BHP@1.5 bar. 2.4 20VT RIP
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Re: VIS - Non VIS question on a 20V
[Re: JohnS]
#501606
12/12/2007 23:49
12/12/2007 23:49
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Joined: Dec 2005
Posts: 3,158 Near Reading
JohnS
I need some sleep
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I need some sleep
Joined: Dec 2005
Posts: 3,158
Near Reading
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Just to clear up the complexities of the ECU. The VIS ECU works on a bus basis. The bus is controlled by the ECU and every major component has its own controller that registers on the bus. So if one component goes wrong with the right OBDII reader you can identify the component and the error signal it is firing onto the bus and then replace only the faulting component rather than having to work your way around everything. The expense comes if the controllers themself fail or the bus fails or something like that. An example benfit is that if you buy a Stilo without cruise control but it was available as an option you can retrofit the cruise control and it will register itself and work. If it doesn't work a flash of the main computer with the right program will allow it to work. Not much use on the coupe other than if you can write the program to allow a new component to operate but there you go
Former low boost hero - 616BHP@1.5 bar. 2.4 20VT RIP
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