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what does this do?


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#1 blacktulip

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Posted 03 April 2006 - 06:38 PM

what does the screw on the bottom of a 25d type dizzy do? its the bottom left as you look at it.

#2 Dan

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Posted 03 April 2006 - 06:43 PM

Inside on the baseplate? Outside on the casing? Holding it to the block? Got a picture?

#3 blacktulip

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Posted 03 April 2006 - 06:47 PM

no pic at the moment, all i can say is that its next to the lead going to cylinder 4, it faces south and its looks like its part of a clamp. will have to get a pic i think lol.

#4 Dan

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Posted 03 April 2006 - 08:27 PM

Does it look like there's a shaft connecting it to the vacuum advance? If there is then it's the micrometer advance adjustment. Very useful but deleted from later dizzys for some reason.

#5 blacktulip

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Posted 04 April 2006 - 04:40 PM

yes its that, so what can i use this for? would i be advised not to play around with it?

#6 Dan

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Posted 04 April 2006 - 10:12 PM

Its for fine tuning the ignition advance, don't play with it except while tuning the engine.




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