A4 (B5 Platform) Discussion Discussion forum for the B5 Audi A4 produced from 1995-2001 B5 FAQ

crushed a 330ci tonight.......

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Old 09-08-2002, 10:28 AM
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Default As I said .. the two ends of the spectrum are pretty extreme. Such a diff tween the fuel requiremnt

on full boost and at idle. I wonder if the lower voltage on the arc w/ the Ign Solutions coils isn't a contributer. W/ 440's you go pretty damn rich at throttle lift and I wonder if that weaker spark doesn't just blow out on you??
Old 09-08-2002, 10:42 AM
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Default we did some tests @ ignition solutions.....

it was a few weeks back but IIRC, there coils have a higher initial votage & more current for the initial spark than stock.. only when it trails off on its secondary sparks does the energy drop below stock levels
Old 09-08-2002, 11:03 AM
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Default h mmm plots at their site way back when showed lower initial pulse and wider (muliple pulses)

duration. They change the profile or am I just tupid and misread the data at their site?
Old 09-08-2002, 11:38 AM
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Default hrmm....

im headed down there on monday & ill ask em about that & see what they say
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