Seems to me you should be able to. I put fixed ones in my later HS AUD405's
with no problem.
Mike
'79B
----- Original Message -----
From: "Christian, Skip" <ChristianWL@navair.navy.mil>
To: <mgs@autox.team.net>
Sent: Monday, September 30, 2002 12:17 PM
Subject: SU HIF Needle Swap Question
> Hello Group. I'm trying this again after sending the first one to the
wrong
> group. Has anyone tried putting a "fixed" (i.e.. unbiased) needle in an
HIF
> carb ?? I've been told that HS and HIF carbs are completely different.
> However, the SU book shows some common part numbers. It looks like the
> needles and what Moss calls the "air chamber & piston" (what the jet
> attached to) might work on both types of carb. Since the HIF carbs use a
> spring to bias the needle to one side, I'm betting that the jet is already
> centered. Anybody know for sure ?????????????
> What I'm trying to do is set my '74 up exactly the same way as the early
> MGBs to duplicate their top end power and throttle response. I'm not
trying
> to build a racer. Would like to use the "fixed" needles because they're
> shorter and provide full (.090) fuel flow at full air flow (the last three
> needle stations).
> Thanks in Advance, Skip '74 MGB
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