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compression ratios & fuel

To: "Rick Byrnes" <rick@rbmotorsports.com>, "Keith Turk" <kturk@ala.net>,
Subject: compression ratios & fuel
From: "John Beckett" <landspeedracer@email.msn.com>
Date: Fri, 20 Oct 2000 10:28:03 -0400
Didn't Winston cup cars run compression ratios upwards of 19 to 1 awhile
back? Ran on spec gas too, I believe 110 octane.

My understanding is Alcohol is worth about 10% on HP. Jeez, if I had run the
N2O setting that Dave recommended it would have been worth 50% more HP.

John Beckett


----- Original Message -----
From: "Rick Byrnes" <rick@rbmotorsports.com>
To: "Keith Turk" <kturk@ala.net>; <land-speed@autox.team.net>
Sent: Friday, October 20, 2000 9:15 AM
Subject: Re: List Imput


> Since Keith wants some questions from lurkers, I have one about  fuel.
>
> My current engine (Pinto) has been built at 17.5:1 CR to run gasoline (ERC
> A8C) at Bville.  With that CR, I have great fear of running at sea level
in
> Michigan or Maxton with any gasoline, but plan on switching to methanol
for
> 2001 season.
> The question is, what power changes can I expect?  (I know....more) and
how
> should my thoughts change relative to timing advance and what starting
> problems might occur.
> My current EFI system is equiped with 4 80 PPH injectors and I will
replace
> with 4 160 pph injectors designed for methanol.  Fuel delivery system is
all
> designed for any fuel.  (all stainless or anodized).  Fuel supply is
> sufficient at 3 bar pressure thru -12 hose and fittings.  (I was making
> somewhere between 600 and 700 HP [measured 600 at wheels] with the turbo
> motor and of course will use the same fuel delivery system.)
> So the question is POWER...
> Now, Keith, no words about laughing gas, I'm talkin about real fuel...
>
> The second part of this question, what reduction in compression is
necessary
> to use NitroMethane in this proposed fuel.  I know the learning curve is
> quite steep and do not plan on doing this for 2001, but my daddy was
mixing
> methanol and nitro back in the 30's with midgets (cars, not people) and I
> sure wouldnt mind following in his footsteps...he is still my hero.
>
> Gentlemen (and ladies) the floor is open  :=D
>
> Rick Byrnes
> We have enough youth...........How about a fountain of smart
> www.rbmotorsports.com
>
> ----- Original Message -----
> From: "Keith Turk" <kturk@ala.net>
> To: <land-speed@autox.team.net>
> Sent: Friday, October 20, 2000 5:04 AM
> Subject: List Imput
>
>
> > We came up with a fancy term for folks that hang out in the back round
and
> > don't ask questions ... ( formerly lurkers)... but the answer remains
that
> > we need questions... even questions of Dubious Quality...
>
>




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