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 Post subject: Re curve Dizzy
PostPosted: Mon Jun 27, 2005 1:56 pm 
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998cc
998cc
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Joined: Tue Mar 23, 2004 9:52 pm
Posts: 874
Location: Bundaberg QLD
Where in QLD can i get my dizzy recurved.

What advance curve should i go chaneg it to as I have a Nissan Dizzy and it is a 16 degrees advance.

I was thinking of going to the cooper s specs but not to sure whats everyone else using in a 1275 or bigger.

PS engine is out and confirmed 25 thou endfloat in crank will start dismantle next weekend.

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 Post subject:
PostPosted: Mon Jun 27, 2005 2:10 pm 
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1098cc
1098cc

Joined: Wed Nov 24, 2004 10:23 am
Posts: 1494
Location: Armidale, NSW
Vizard recomends getting your distributor curve done after you have had your engine dynoed.

The idea was that at about 500 rpm increments you fiddle around with the dizzy until you get peak power and then note the advance at that particular rev level. By combining these plots you are able to map an advance curve that will give maximum power for your engine.

I am not sure how the pulsar dizzy works but this should give whoever you decide to modify your dizzy something to modify it towards. Modifying it to a Cooper S setup would mean that you are not making full advantage of the pulsar dizzy's better spark ability.

A poor spark needs a richer mixture and more advance I think :? :?:

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