MAF History

[andy quaas]

injector size= (bsfc x HP) / cylinders

bsfc=.45 (normally aspirated)
HP=500 (real, on the dyno HP)
cylinders=8
injector size=28.125

for you, bsfc is .55?

The intake i have is a dual-plane edelbrock performer with a couple
screwed up threads.  I don't wanna use it.  

Andy

--- Frederic Breitwieser <frederic.breitwieser at xephic.dynip.com> wrote:
> > Hmmm... I found out that accel sells a single-plane
> intake with injector
> > bosses pre-machined and it includes pre-machines
> fuel rail, too!  All
> > for $475 from summit racing.  So i'm going to have
> to order this guy
> 
> Before you leap and order that, bring an existing
> intake if you have one to
> various machine shops... before I opted to do it
> myself (I'm a cheap
> bastard!) I received quotes from 300-350 bucks to
> make the bosses, weld them
> into the intake at an angle I specify, and machine
> the fuel rails out of
> billet aluminum.  Of course if you have to buy an
> intake to have a machine
> shop do this, then you are at about the same price of
> 475 bucks.
> 
> If you have an intake though, you can save money
> assuming you like the
> intake.
> 
> > today.  according to the equation, i only need 28
> lb/hr injectors for
> > 500 HP.  That seems kinda smallish, but maybe i'm
> not htinking right.
> 
> Seems very small-ish.  I ended up with 55lb/hr.  Lets
> see the math Andy,
> maybe one or both of us messed up the math somehow.
> 
> > Know where i can get some nice used injectors on
> the cheap (less than
> > $500!)?
> 
> 28lb/hr should be had from a junkyard... they are
> small enough.  My problem
> is I can't tell them apart from one another until I
> clean 'em up and even
> then its a challenge.
> 
> --
> 
> Frederic Breitwieser
> Bridgeport CT 06606
> 
> 1993 Supercharged Lincoln Continental
> 1989 HWMMV w/turbocharged 500cid Caddy
> 1975 Dodge D200 Club Cab soon to have 431 stroker +
> turbos
> 2000 (I hope) Buick GTP (Mid-Engined Sports Car)
> 
> 
> 

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