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  #1  
Old 29th September 2008
gm1ll's Avatar
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Default Setting timing

I have a question about a nose cone ignition module. I have the Twintec 1005. Got it set up and static and dynamic timed. Even with the lowest setting on the switches, I have detonation at the slightest application of the throttle. Retarding the module back to the static timing point helps. My question is how far back can I go? Until it settles down and runs without detonation or can I only retard back as far as the static timing point? Is there any harm being done by retarding back past the static timing point? Is it possible to retard the module far enough back to cause other problems? I've probably asked the same thing 5 different times, but I'm just asking as they come to me.
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Started life as a 2000 883 been through many mods but now is a 1212 w/04 XB heads, SE .497 cams, CV carb, Twintec 1005 ignition, Pro-flow oil pump.

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  #2  
Old 29th September 2008
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There is no problem with turning your igntion down by retarding it past the static timing. Static is usually about 28 degrees and often we have to start ours out around 26 degrees or even less if the compression is high. You would be surprised how many bikes we get on the dyno that are way too advanced. When we turn them down we will find 5-10 more hp just with a simple timing adjustment. More advance is not necessarily a good thing even if you don't hear any detonation.
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Last edited by NRHS Sales; 1st October 2008 at 16:35..
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  #3  
Old 30th September 2008
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Thanks Dan. Oh I received the carb bracket and got it installed. It is just what I needed to replace that cheap chrome bracket that blocks the idle mixture screw. Thanks again!
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  #4  
Old 30th September 2008
Dakin Engineering Dakin Engineering is offline
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Default

Do you have a VOES? If not, is there a wire for it on the Twin Tec? (Not my brand) My iggy wants the wire grounded if not used...

Sam
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  #5  
Old 1st October 2008
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Yes Voes is connected and operational. I set the timing back a few degrees retarded from the static point and it's running much better.
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  #6  
Old 5th May 2009
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Default

Did you adjust your VOES? Are you running colder plugs.

Both need to be done.
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  #7  
Old 5th August 2009
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i have a ? , turnning the ignition wich way to retard,clockwise????
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  #8  
Old 6th August 2009
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Clockwise will advance timing and counter-clockwise will retard timing.
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