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Topic: Fitting 2.0 16V inlet manifold to 2.3 ... (Read 8193 times) |
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Tekno
Full Member
Tenho Ruohoranta
 
Posts: 599
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Fitting 2.0 16V inlet manifold to 2.3 ...
« on: Oct 29th, 2011, 9:34pm » |
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Hello,
is there anyone that has done this, and can provide information on hoses etc, which goes where and setting up VIS?
once I get old manifold out, I may ask tricky questions 
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1998 Ford Scorpio Ultima Estate 2.3i 16V
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Octavian_P
Senior Member
 
Posts: 1126
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Re: Fitting 2.0 16V inlet manifold to 2.3 ...
« Reply #1 on: Oct 30th, 2011, 3:16pm » |
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You can't set up a fully working VIS on the 2.3 as the ECU isn't programed to used it. Otherwise you can solve the problem with a RPM switch. The advantages of the 2.0 manifold on the 2.0 are pretty nice. After i have done the swap i have obtained a ~20% better fuel economy when keeping revs below 3000 rpm, also the low end torque is allot more better.
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2.0 16V Ultima|2.3 16V Ghia|2.9 24V Cosworth Ghia
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Mike H
Senior Member
Renault Clio
Posts: 2594
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Re: Fitting 2.0 16V inlet manifold to 2.3 ...
« Reply #2 on: Oct 30th, 2011, 3:51pm » |
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2L 16V has twin throttle butterflies so will also need the twin VIS unit and inlet hoses set-up, I believe something different about the thermostat or coolant plumbing as well. But Ipresume you've already looked at pictures?
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Mike H
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Tekno
Full Member
Tenho Ruohoranta
Posts: 599
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Re: Fitting 2.0 16V inlet manifold to 2.3 ...
« Reply #3 on: Oct 30th, 2011, 3:52pm » |
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How about using WOT Relay? My car is automatic, which means revs are at least 3200 when WOT relay gives voltage (?). Also when cruising legal speeds, revs are under 3200..
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1998 Ford Scorpio Ultima Estate 2.3i 16V
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Tekno
Full Member
Tenho Ruohoranta
Posts: 599
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Re: Fitting 2.0 16V inlet manifold to 2.3 ...
« Reply #4 on: Oct 30th, 2011, 3:53pm » |
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thermostat and coolant things look pretty same, except 2.0 16v has egr pipe welded together with coolant pipe 
I have now detached 2.3 16V inlet manifold.
2.0 16V inlet is under my investigation and needs good clean, new coolant temp sensor (leaking?) and thermostat gasket.
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1998 Ford Scorpio Ultima Estate 2.3i 16V
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Mike H
Senior Member
Renault Clio
Posts: 2594
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Re: Fitting 2.0 16V inlet manifold to 2.3 ...
« Reply #5 on: Oct 30th, 2011, 3:53pm » |
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We really need sombody who's actually done it to describe
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Mike H
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Tekno
Full Member
Tenho Ruohoranta
Posts: 599
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Re: Fitting 2.0 16V inlet manifold to 2.3 ...
« Reply #6 on: Oct 30th, 2011, 4:00pm » |
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Are you 200% sure ecu isnt programmed for VIS?
I still want to check this ecu pin:
44 WH Intake Air Control Valve (VIS) 2 C768
would be easy if that still exists in 2.3
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1998 Ford Scorpio Ultima Estate 2.3i 16V
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Matt
Senior Member
Manual'd and a 4.0 in the making
Posts: 2816
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Re: Fitting 2.0 16V inlet manifold to 2.3 ...
« Reply #7 on: Oct 31st, 2011, 11:05am » |
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I did the conversion a good 3 years ago now
The 2.0 intake manifold have one less vacumme connection to the 2.3 so you need to T into one of the smaller ones
The brake servo vac connection fits but iirc it needs a little re-routing
Youll need the complete 2.0 intake from the air box to the throttle bodies
Youll need to cut and extend the idle control wiring and agsin iirc youll have to refit the 2.3 idle valve so the bonnet doesnt foul it
If you fit the 2.0 head and cams youll end up with a nice engine as you will essentially built a RS2300 lump 
Exhaust manifolds are the same
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FDS2000 Scans - Birmingham
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wes
Newbie
I'm a YaBB newbie!
Posts: 29
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Re: Fitting 2.0 16V inlet manifold to 2.3 ...
« Reply #8 on: Oct 31st, 2011, 6:46pm » |
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i done the head swap on 1 of my engines really cant see where its differnts is checked valves and ports both the same unless its todo with the injection? 
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Matt
Senior Member
Manual'd and a 4.0 in the making
Posts: 2816
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Re: Fitting 2.0 16V inlet manifold to 2.3 ...
« Reply #9 on: Oct 31st, 2011, 10:13pm » |
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Its the cams and the bowls in the head are slightly smaller so the compression is upped slightly
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FDS2000 Scans - Birmingham
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Mike H
Senior Member
Renault Clio
Posts: 2594
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Re: Fitting 2.0 16V inlet manifold to 2.3 ...
« Reply #10 on: Oct 31st, 2011, 10:50pm » |
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So no problem then with ECU using the different inlet and stuff?
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Mike H
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Matt
Senior Member
Manual'd and a 4.0 in the making
Posts: 2816
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Re: Fitting 2.0 16V inlet manifold to 2.3 ...
« Reply #11 on: Nov 1st, 2011, 9:09am » |
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Not that i found,
The engine will suck more air through thr 2.0 manifold as the diameter of the twin butterflys is greater then the single one on the plastic 2.3 one
Hardest bit i found was trying ti get the 2 vac hoses on that are on the underside of the 2.0 manifold
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FDS2000 Scans - Birmingham
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Mike H
Senior Member
Renault Clio
Posts: 2594
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Re: Fitting 2.0 16V inlet manifold to 2.3 ...
« Reply #12 on: Nov 1st, 2011, 10:43am » |
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That seems to answer the ECU / VIS query then.
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Mike H
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Tekno
Full Member
Tenho Ruohoranta
Posts: 599
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Re: Fitting 2.0 16V inlet manifold to 2.3 ...
« Reply #13 on: Nov 2nd, 2011, 8:53pm » |
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how about using vis solenoid but use WOT relay to control it to close/open flap?
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1998 Ford Scorpio Ultima Estate 2.3i 16V
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Tompion
Administrator
1997 2.3 Ultima estate.
Posts: 2918
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Re: Fitting 2.0 16V inlet manifold to 2.3 ...
« Reply #14 on: Nov 3rd, 2011, 12:22pm » |
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Vis is about tuning the inlet to suit either the lower rev range or the upper rev range.
So linking it to WOT means you're likely to get the worst of both worlds - cutting in too early in the lower rev range & cutting out too early in the upper rev range.
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ABS multiplug wheel sensor pins MK IV or MK 20
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Tekno
Full Member
Tenho Ruohoranta
Posts: 599
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Re: Fitting 2.0 16V inlet manifold to 2.3 ...
« Reply #15 on: Nov 5th, 2011, 5:58pm » |
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on Nov 3rd, 2011, 12:22pm, Tompion wrote:Vis is about tuning the inlet to suit either the lower rev range or the upper rev range.
So linking it to WOT means you're likely to get the worst of both worlds - cutting in too early in the lower rev range & cutting out too early in the upper rev range.
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but I have automatic transmission. WOT = high revs, always (and vice versa, except for second before it upshift after acceleration...)
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1998 Ford Scorpio Ultima Estate 2.3i 16V
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Tompion
Administrator
1997 2.3 Ultima estate.
Posts: 2918
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Re: Fitting 2.0 16V inlet manifold to 2.3 ...
« Reply #16 on: Nov 5th, 2011, 7:29pm » |
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You always drive at wide open throttle, you never back off to say 90%
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ABS multiplug wheel sensor pins MK IV or MK 20
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Mike H
Senior Member
Renault Clio
Posts: 2594
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Re: Fitting 2.0 16V inlet manifold to 2.3 ...
« Reply #17 on: Nov 5th, 2011, 7:35pm » |
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Have to confess I am confused as well, apparently Matt has done it without worrying about rpm or WOT switches and things
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Mike H
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Tompion
Administrator
1997 2.3 Ultima estate.
Posts: 2918
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Re: Fitting 2.0 16V inlet manifold to 2.3 ...
« Reply #18 on: Nov 5th, 2011, 7:42pm » |
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It'll run whether you use it or not, what effect it has on the 4 cylinder engines I don’t know.
Details about it with the 24v are here:
http://www.fordscorpio.co.uk/vis.htm
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ABS multiplug wheel sensor pins MK IV or MK 20
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Tompion
Administrator
1997 2.3 Ultima estate.
Posts: 2918
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Re: Fitting 2.0 16V inlet manifold to 2.3 ...
« Reply #19 on: Nov 5th, 2011, 8:10pm » |
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Matt posted scans of a Technical Training manual here:
http://www.fordscorpio.co.uk/cgi-bin/yabb/YaBB.pl?board=admin;action=dis play;num=1290587487
On pages 27 & 40 of the pdf (25 & 38 on the pages themselves) you’ll see details of the 2.0l VIS.
Of the 2.3 a technical training manual I have says:
“The torque curve is particularly well-balanced at both low and moderate engine speeds so that a torque of over 185 Nm is continuously available from 2000 rev/min upwards.
This favourable torque curve eliminates the need for a VIS system.”
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ABS multiplug wheel sensor pins MK IV or MK 20
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