[Spridgets] SU needle question

[ldsp]

Why should you never switch the front and rear pistons and dashpots?  Is 
there a way to tell the difference if the carbs were all apart and in a box?

Leo
----- Original Message ----- 
From: "Frank" <spritenut at comcast.net>
To: <kk7ss at verizon.net>
Cc: <spridgets at autox.team.net>
Sent: Wednesday, May 27, 2009 9:41 PM
Subject: Re: [Spridgets] SU needle question


> Dave G. wrote:
>> I have a pair of SU's
> And I think he wrote something about swing needles replacing fixed 
> needles.
> If that is what you mean, the needles will not fit in each other's 
> pistons.
> The swing needle uses a larger collar for the spring and the set screw.
> BUT if you use the pistons and dashpots from the "other carbs" they will 
> bolt right on.
> You may get lucky and be able to just swap pistons but we all know that 
> one should NEVER mix up the pistons and dashpots.
> I am sure nobody ever mixed up the front and rear dashpots/pistons right? 
> ;)
> I have used switched carby pistons six ways from Sunday, some work fine, 
> others stick or drop too quick.
>
>
> -- 
> Frank Clarici
> Toms River, NJ
> My own Fleet of Sprites
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