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<DIV><FONT size=2>OK, twin SUs then, but HS or HIF?</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2>Screw both the idle screws in until you can get it to idle,
only then can you really have any chance of adjusting the air-flow
balance and mixture.</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2>If you still have problems getting it to idle, perhaps the
mixtures are way out. The starting point is to screw the jets up until the
top is flush with the bridge, then screw back down two full turns.
You will probably also need some enrichment from the choke.</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2>For air-flow balance yes when listening with a tube at the
carb intakes if one carb is quieter than the other the quieter one needs the
idle screw to be screwed in further until the sounds are as equal as you can
judge. This should speed up the idle, so while doing that the louder carb
may well need its screw unscrewed a little to keep the engine at a
reasonable idle speed.</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2>Whilst you can adjust for air-flow balance while the engine is
warming you won't be able to adjust properly for mixture until the engine is
fully up to temperature.</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2>PaulH.</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2></FONT> </DIV>
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV style="FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: black">I can’t
keep the engine running when tuning for both slow idle, it dies as soon as I
start it. I have had some success listening through the rubber tube and there
is significant difference. I presume the intake which sounds weaker needs the
idle raised??<o:p></o:p></DIV>
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