Newbie questions

[Steve Gorkowski]

yes the regulator on throttle body.

Steve

Bruce Plecan wrote:

> -----Original Message-----
> From: Jim Yeagley <jimyeagley at stratos.net>
> To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
> Date: Thursday, February 04, 1999 8:51 PM
> Subject: Newbie questions
>
> snip
> >
> >What (if any) is the difference between Chevy car systems and truck
> systems?
>
> Cars usually use a Air Temp Sensor.  Trucks might be considered
> high torgue applications.
>
> >If I use a  late model Ford fuel pump, frame mounted, is the regulator in
> >the throttle body?
>
> Don't know
>
> >Will a 305 throttle body have enough cfm for my 400?
>
> Not really, but the throttle body off of a Big Block Chevy Truck would.
> >
> >I've been reading here about different software/hardware for communicating
> >with the car's computer, but I admit I haven't been able to pick up much.
> I
> >have a little experience with OTC Monitor 2000 and 4000, but they couldn't
> >change any settings.  Can someone explain the basic idea behind changing
> >(and figuring out the changes needed) the prom?
>
> You have to make changes in the prom to change the timing or
> fueling.
>
> >>From what I can tell, there's a program that allows you to hook up a
> laptop,
> >kind of intercept the signals and change them between the cars computer and
> >the engine, test the changes, then save them.  Does this sound right?
>
> Ther is a device called an emulator that goes where the prom goes
> that you can edit things (using a laptop), and then burn a prom.
>
>   Then,
> >how do you get these changes into a new prom?
> >
> >Geez, that's enough for now.  Thanks for your patience and answers, or at
> >the least the entertainment from reading all the posts to this list.
> >
> >Jim Yeagley
> >
> >