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[Spridgets] hif-6 tuning

To: spridgets@autox.team.net
Subject: [Spridgets] hif-6 tuning
From: Andy Webster <a_d_webster@yahoo.com.au>
Date: Wed, 16 Jan 2008 17:10:52 +1100 (EST)
Greetings, 
  I further bastardised my sprite on the weekend, fitting a 1 3/4" HIF SU and a 
titan manifold.
  just fits under the bonnet, I mean just... I had to omit the phenolic spacers 
to make it happen. (it is a newish SU with the higher profile black cap on the 
dashpot top..a slightly earlier HIF has the flatter cap and would be less of a 
clearance issue)
   
  It goes ok... but needs some tweaking.
  the low end response is better than with my tired twins, but if I floor it 
there is a big old flatspot, and the engine has to catch up before the power 
kicks back in.
  Does this mean I am running too rich, or need a different needle?
  Or have I just gone a bit over the top going that big? (engine is a 1293cc, 
with a bit of a cam, and headers)
   
  The carb doesn't have the piston lifting pin for tuning, but i used a skinny 
screwdriver to lift the piston a fraction and set the idle mixture to somewhere 
in the range.
   
  any tips appreciated.
  Andy

       
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