Damping oscillating boost gauge needle???

[Tom Neimeyer]

This may sound stupid on my part, but I assume your boost gauge is full of
silicone or glycerine?

Regards, Tom

----- Original Message -----
From: "Brian Renegar" <thomas.renegar at nist.gov>
To: <diy_efi at diy-efi.org>
Sent: Tuesday, May 08, 2001 5:15 PM
Subject: Re: Damping oscillating boost gauge needle???


> >I use a make of boost gauge that works fine in 90% of installations but
> >occasionally the needle will sense intake pulses and go haywire,
> >oscillating about and buzzing. Any ideas for a cheap and simple in hose
> >damper to put between manifold and gauge? Thanks.
>
> You might try just increasing the length of tubing from the gauge to the
> intake.  The extra air in the tube should help dampen any pressure pulses.
>
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