I'm sure I've read that you can put fixed needles in the HIF. I just
can't remember where. It might have been "How to Power Tune"
Skye
Word on the street is Christian, Skip said:
> 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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