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RE: Dry dashpots

Subject: RE: Dry dashpots
From: James Charles Ruwaldt <jruwaldt@indiana.edu>
Date: Tue, 9 Sep 1997 09:10:07 -0500 (EST)
Cc: triumphs@Autox.Team.Net
Okay, I don't get what the advantage is of the increased air flow.  I
thought the whole point of the dashpost oil was to enrich the mixture
momentarily during acceleration.  Why isn't this good in racing?
Jim Ruwaldt
'72 TR6 CC79338U
Bloomington, IN


On Mon, 8 Sep 1997 Ljbtvr@aol.com wrote:

> RE: Dry dashpots 
> 
> The purpose of the oil in the dashpot is to retard the air piston's opening.
>  A
> dry dashpot obviously will allow the piston to slam open quickly when the
> throttle butterfly is opened.  In a racing application this is a good thing
> and I
> know some LBC racers who run this way.  Of course, it requires modified
> carb needles to take advantage of the greater air flow.  With stock needles
> all
> you do is suddenly lean out the motor and maybe burn valves.  But then again,
> maybe the fellow who recommended running dry already had his car set rich
> and the added air flow was just putting the car back to the proper mixture.
> 
> Without all the other mods needed to take advantage of running dry I suggest
> using some oil and checking it often.
> 
> Larry Bickel
> ljbtvr@aol.com
> Lancaster, PA
> '68 GT6, my sleeping racer
> '71 TVR 2500, my street car and sometimes racer
> '85 Dodge Van
> '83 Chevy S10
> '80 Yamaha 650
> 
> 


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