Charles,
don't know if anyone evr tested the "full" (tubes) against
the fixed open boost. i still think the later will have the better
"response", the restiction will support velosity to some degree (i think).
open to being told otherwise.
thanks for the vote of confidence on the stacks.
steve #1131
>From: <[EMAIL PROTECTED]>
>Reply-To: [EMAIL PROTECTED]
>To: V-MAX TECH LIST <[EMAIL PROTECTED]>
>Subject: Re: Stage VII and V-Boost
>Date: Sat, 22 Apr 2000 17:13:18 +0200
>
>Sorry I got into this a bit late, I had my server down, but I hope you can
>tell me what this dip is and what the green line means in the test shown on
>"scott.jpg".
>
>I do understand that if you run a S7K with a fully operational V-boost you
>would get the curve shown on the red line (most likely the bike would be
>unrideable), but has anyone tested the difference between a full S7K with
>interconnecting tubes and a S7K with a fixed open V-boost? Need to now how
>much horsepower loss you can expect from the V-boost more restricted
>passage way. Knowing the Max a bit more it could be anything, meaning that
>maybe there is no power lost or even a slight improvement ( I don't know ).
>
>I find the Max very prone to behave very differently with the slightest
>modification to the carb setting and normally it catches you unaware.
>Specially if you follow other peoples experiences. As someone said earlier
>on, if your bike performs as you think it should with plenty of torque and
>loads of top end power, you are better off leaving it as it is.
>
>My last improvement on the S7K, which I think everyone should take a
>careful look at is an undoubtful gain of midrange you achieve by inserting
>the standard carb stacks inside the individual K&N filters. This
>modification was hinted and fully explained to me by Steve Detamore and I
>carefully followed his instructions. The result is unbelievable since I got
>back all the mid range power lost when I installed (beware of this) not the
>Stage 7 Kit but the individual K&N filters. I was quite happy with the
>standard box, K&N standard replacement filter and no "Y" installed.
>
>I have no way of testing top end power where I live, but I'm sure it will
>also benefit from the stacks being where they should. Please ask Steve and
>try it yourselves, since as far as I know it is the cheapest and easiest
>mod. to regain lost midrange power in a big way. I also want to remind you
>that every person, every Max, every situation can differ and make results
>different, but you must experiment and get it the way you want it.
>
>Thanks Steve
>
>Regards, Charles ( [EMAIL PROTECTED] )
>----- Original Message -----
>From: Terry and Pat Hayden <[EMAIL PROTECTED]>
>To: V-MAX TECH LIST <[EMAIL PROTECTED]>
>Sent: Saturday, April 22, 2000 9:34 AM
>Subject: Re: Stage VII and V-Boost
>
>
> > I don't have the web page done but Scott Mellor's dyno chart is at:
> > http://www.geocities.com/MotorCity/Speedway/2476/scott.jpg
> >
> > It is interesting to see how the V-boost causes a dip on the stage 7.
>This
> > is fairly common judging from some of the other S7/v-boost dyno's
>posted...
> >
> > Scott, was the stage 1 done with normal V-bbost or always open valve?
> >
> > cheers, Terry
> >
> > -----Original Message-----
> > From: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
> > To: V-MAX TECH LIST <[EMAIL PROTECTED]>
> > Date: Friday, April 21, 2000 10:01 AM
> > Subject: Re: Stage VII and V-Boost
> >
> >
> > >Yes i compared them closely. In fact they are printed on the same
>sheet.
> > The
> > >dyno printed out the figures hp at speed rather than rpm which kind of
> > >stinks. The way they did it was a 4th gear roll on, at 50 mph the
>stage 7
> > >increases above the stage 1 nice and steady across the entire range. no
> > dips.
> > > below the 50 mph mark the stage 7 is right on top of the stage 1
>graph.
> > >never below . He actually made a run with the vboost in stock
>automatic
> > mode
> > >with the stage 7 then there was a bad diparound 55 mph.
> > >I will be posting this chart on the 120 hp club as soon as I figure out
> > how.
> > >scott mellor
> > >.............................................
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> > >
> >
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