How to know which pipe to use.

[Gabriel Gonzalez]

Ron, did you modify any of the pipes, or just used them like they are?

Gabriel

----- Original Message ----- 
From: "Ron Van Putte" <vanputte at cox.net>
To: <discussion at nsrca.org>
Sent: Wednesday, October 08, 2003 2:32 PM
Subject: Re: How to know which pipe to use.


>
>
> Gabriel Gonzalez wrote:
>
> >  I got a 7.5cc Macs quiet pipe for my 140FZ, but I'm not sure if it's
the right thing to use.
> >
> >  How can it be determined what would be a good pipe to use with a 4c
engine?
> >
> >  7.5cc seem awfully small, but in an earlier post I saw someone using a
3.5cc pipe!!!! Was this a typo?
> >
> >  I don't want to ruin my engine or my plane, and thought to ask before
trying it.
> >
> >
>
> I've been using 6.5 and 7.5 cc Macs Quiet pipes on YS 1.20s and 1.40s
> for years.  On my 11 lb Advantage I have a 7.5 cc Macs Quiet pipe on a
> YS 1.40L and it has almost unlimited vertical on Cool Power 25% Pro
> Pattern fuel.  Some people say you should use bigger pipes and that may
> be fine for them, but I don't and have all the power I need.
>
> Ron Van Putte
>
>
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