?I was using RC and RB SU needles in my ZS 175s, but running too rich
according to my wideband O2 sensor so I switched to RH needles and saw
better readings. You might have luck with the RB or RC profile. ?
On Wed, Jun 28, 2017 at 9:54 AM, Henry Morrison via Fot <fot at autox.team.net>
wrote:
> I think my engine wants more gas than is being supplied by the RH
> needles. Anyone used another standard needle to accomplish this? The
> carburetors are the H6.
>
>
> Cheers, Henry Morrison
>
>
> Sent from Outlook <http://aka.ms/weboutlook>
>
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