[Healeys] HD mixture setting

[goldengt at cal.net]

Pertronix. I lift the piston with the tubular tool in the SU tool kit. I put a thin flat blade across the jets so I know where flush with the bridge is.
Ken

----- Original Message -----
From: "Alan Seigrist" <healey.nut at gmail.com>
To: goldengt at cal.net
Cc: "healeys" <healeys at autox.team.net>
Sent: Tuesday, April 22, 2014 5:53:19 PM
Subject: Re: [Healeys] HD mixture setting


The piston lift test you should only lift the piston 1/32 " ... I find the little piston lifter is to imprecise and I lift the piston by hand with a little screwdriver. Try it that way first and see if your results vary. Also make sure your jets are at the same level in both carbs, sometimes they are uneven and then you end up getting very weird results. 


Are you running points or pertronix? 



On Wed, Apr 23, 2014 at 4:11 AM, < goldengt at cal.net > wrote: 


It seems like I have to have the mixture adjusting screw at almost 4 turns out to pass the piston lift test and get smooth running. This is the case with the old rebuilt original SU's and the Burlen SU's. It has been like this for quite a few years. I get about 15mpg. 
I am supposing it is due to ethanol and maybe headers. Seems like I used to be about 2 1/2 turns many years ago before ethanol. 
Ken Freese 
65 BJ8 
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