Wouldn't that be a CFM change and not a density change. most carbs will
compensate for a CFM change quite well. I can put the same 750 Holley or carter
on a wide variety of engines and it will work quite well but neither will handle
a 4000 ft change in altitude very well.
Dave Dahlgren
Joe Amo wrote:
>
> Dave, the "Lectron" is the "Fast By Gast" carb of Pauls.
> Sort of Pauls, it came on two strokes a few years ago,
> he simply picked up on it again, Vesco ran them on many
> of his machines. They are truly the poor mans EFI,
> the set I got came off of a 1500cc plus 275 hp NA
> motor, when I called Paul to find out were I should
> set the metering rod length for a baseline on my 998cc
> motor, he said
> "didnt they work on the bike they came off of", I said
> yes, and on they went, they carburate perfectly,
> how is that for compensation?
> Joe :)
>
> Marge and/or Dave Thomssen wrote:
>
> > Joe
> > Paul Gast makes a carb for the pro stock motorcycles that does the same
> > thing, now that you mention it. None of the scooter racers have to change
> > jets at all.
> >
> > Dave the Hayseed
> >
> > ----- Original Message -----
> > From: Joe Amo <jkamo@rapidnet.com>
> > To: Dave Dahlgren <ddahlgren@snet.net>
> > Cc: Marge and/or Dave Thomssen <mdthom@radiks.net>; Land-speed Racers
> > <land-speed@autox.team.net>
> > Sent: Saturday, June 16, 2001 2:28 AM
> > Subject: Re: Fw: Hilborn v. carbs
> >
> > Mine do Dave, you can borrow them, they are
> > Lectron (brand name), a flat slide carb with a tapered metering
> > rod, no jets, yes they compensate
> > for air density, dont need no electronics, dont need
> > no high falootin fuel system, its all natural, self compensating,
> > the dyno and the timing system dont lie, ask ANY motorcycle
> > prostocker (or 90% of any at the dragstrip, or wanna be me)
> > Joe :)
> >
> > Dave Dahlgren wrote:
> >
> > > Then what is with all the jets for changing things?? You mean to tell me
> > that a
> > > Holley or carter carb will need no jet correction to run at 4000 ft and
> > 110
> > > degrees instead of sea level and 60 degrees.. Sure wish i had one of those
> > !
> > > Dave
> > >
> > > Marge and/or Dave Thomssen wrote:
> > > >
> > > > And the answer is: any brand but Stromberg!
> > > >
> > > > ----- Original Message -----
> > > > From: Dave Dahlgren <ddahlgren@snet.net>
> > > > To: Marge and/or Dave Thomssen <mdthom@radiks.net>
> > > > Cc: Land-speed Racers <land-speed@autox.team.net>
> > > > Sent: Saturday, June 16, 2001 5:20 AM
> > > > Subject: Re: Hilborn v. carbs
> > > >
> > > > And the brand carb that will make air density changes is?
> > > > Dave Dahlgren
> > > >
> > > > Marge and/or Dave Thomssen wrote:
> > > > >
> > > > > Bill
> > > > >
> > > > > I think the major difference between a Hilborn and a carb is the
> > modern
> > > > carb
> > > > > (not a 97) automatically adjusts for changes in air density (within
> > > > limits)
> > > > > and the Hilborn relies on you to change the pill. If you get the pill
> > > > > wrong, the carb out-powers the Hilborn. EFI is one step better, it
> > > > > automatically adjusts everything. CFM aside, Hilborn trumps carb and
> > EFI
> > > > > trumps Hilborn just because of the fineness of the spray(liquid fuel
> > does
> > > > > not burn, only vapor). Having done it, I have to say that tuning an
> > engine
> > > > > equipped with 97's was the biggest challenge, but I like my Holly 750.
> > > > > Dave the hayseed
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