Re: Dr Boost: another esoteric question... - Saab Performance Bulletin Board - Saabnet.com
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Re: Dr Boost: another esoteric question...
Posted by Dr Boost (more from Dr Boost) on Fri, 8 Nov 2002 17:31:07
In Reply to: Dr Boost: another esoteric question..., Eric Law, Fri, 8 Nov 2002 15:46:57
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Hi !
Simple....(I'll give you the short version, it's late here in Sweden)
A wider gap will of course produce a longer spark.
As you know that air/fuel mixture needs to be exposed of the HOT spark, the HEAT will start the flame.
The larger area of exposure the better, "as a general rule of thumb".
As the pressure raise, during hi boost conditions, the voltage need will also raise. IF you have got an ignition system with too low voltage, there will be no combustion, since there will be no spark across the gap.
I have had NO probs with the plugs gapped to 1.10 mm, even at H/O applications, well that is if 350 bhp is H/O for you....
Last but not least, there is no connection between having the plugs gapped to 1.10 and premature DI failure.
No Connection.
Do I make myself clear enought ? :-)
The 1.10 (compared with 0.85) will NOT make the DI cassette to work harder.
I tried to explain that earlier last week or so, see if you can find that thread, or else ask again.
posted by 195.67.249...
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