[Healeys] Pre-ignition

[David Porter]

For the record: Some SU's are vented internally and some through the cap.
Also for the record. Not all dampers are the same, either in rate of flow
back or even in diameter. They are not mix and match at your whim. Same goes
for the piston springs.
Dave

frogeye at porterscustom.com

Porter Customs   2909 Arno NE
Albuquerque, NM USA 87107
505-352-1378
1954 BN2  1959 AN5
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-----Original Message-----
From: healeys-bounces at autox.team.net [mailto:healeys-bounces at autox.team.net]
On Behalf Of john spaur
Sent: Tuesday, June 04, 2013 6:36 PM
To: healeys at autox.team.net
Subject: Re: [Healeys] Pre-ignition

The dampers on my HS4 carbs have the hole.

John Spaur

At 07:06 PM 6/4/2013 -0500, Dan Stromquist wrote:
>Jim Taylor used to drill a small hole in the tops of the dampers he
>refurbished-at least he did on mine.    Maybe that was to prevent the pin,
>etc  from blowing out on a cold start backfire.
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