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Downgrading the engine



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Why would you disconnect the O2 sensor?  Full throttle switch won't affect anything other than less power at WOT.  I'm pretty sure the ICU would be fine.  As far as the frequency valve, well, uh, I don't know what that is:(  HTH-
Rob
 "W. Hawker" <willhawk@shaw.ca> wrote:I must admit, it is a bit unusual, but it was necessary to take the 1.7l
engine from my project Scirocco and put it in my everyday driver, an 83
Rabbit Gti (I will be rebuilding the 1.8 as a winter project). I took the
entire 1.7 except the fuel control unit. The Gti had of course, an O2
sensor, frequency valve on the fuel distributor, both of which are absent on
the 1.7l. Question is, will disconnecting the O2 sensor, full throttle
switch and maybe the frequency valve, adversely affect the engine
management system.? Will the ignition control unit be affected, and is there
anything I can do to make this engine work effectively on the Gti. How about
pulling any electrical components associated with the emission controls? Oh
by the way, I am keeping the catalytic converter.

Bill
82 Scirocco (Project)
83 Gti 


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<P>Why would you disconnect the O2 sensor?&nbsp; Full throttle switch won't affect anything other than less power at WOT.&nbsp; I'm pretty sure the ICU would be fine.&nbsp; As far as the frequency valve, well, uh, I don't know what that is:(&nbsp; HTH-
<P>Rob
<P>&nbsp;<B><I>"W. Hawker" &lt;willhawk@shaw.ca&gt;</I></B> wrote:
<BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">I must admit, it is a bit unusual, but it was necessary to take the 1.7l<BR>engine from my project Scirocco and put it in my everyday driver, an 83<BR>Rabbit Gti (I will be rebuilding the 1.8 as a winter project). I took the<BR>entire 1.7 except the fuel control unit. The Gti had of course, an O2<BR>sensor, frequency valve on the fuel distributor, both of which are absent on<BR>the 1.7l. Question is, will disconnecting the O2 sensor, full throttle<BR>switch and maybe the frequency valve, adversely affect the engine<BR>management system.? Will the ignition control unit be affected, and is there<BR>anything I can do to make this engine work effectively on the Gti. How about<BR>pulling any electrical components associated with the emission controls? Oh<BR>by the way, I am keeping the catalytic converter.<BR><BR>Bill<BR>82 Scirocco (Project)<BR>83 Gti <BR><BR><BR>_______________________________________________<BR>Scirocco-l mailing list<BR>Scirocco-l@scirocco.org<BR>http://neubayern.net/mailman/listinfo/scirocco-l</BLOCKQUOTE><p><br><hr size=1>Do you Yahoo!?<br>
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