Question about Howell conversion.

[rr]

esc wrote:
> 
> At 10:14 AM 4/4/99 -0700, you wrote:
> >They use a GM 1227730 and 1227747 ECMs with their own calibration.
> >Their website is www.howell-efi.com, but they don't have the 7730 stuff
> >there.  Bruce Plecan bought a calibration from them (for the 7730) and
> >he says it's sloppy.
> >
> >The wiring is simple.  You have to change the MAP sensor to a GM type.
> >They dont use an air temp sensor, but all the rest are the same.
> >
> >Do you have an IAC?  If so, that will plug right in, also.
> >
> >Andy
> >
> 
> Ther are no remenants of the origional computer system in my car.
> 
> All I have right now is the Holley ProJection4 system (analog w/MSD
> controller).
> 
> I looked at their site.  It looks like they are using the 7747(sometimes).
> I have a 7747 laying around, so I may try and put this together myself.
> 
> But not today.  :)
> I'm still gathering info.  I hope to come up with a plan pretty soon.
> 
> I DO have a computer distributor that I would like to use.  I have read the
> recent posts about using the computer for ignition control only, that
> sounds like a starting point.  But I wonder what the MINIMUM would be to
> make that work?

Well, besides the harness, distrib, coil and ecm, the temp sensor, knock
sensor and vss are all I'm using... (And you might not need the vss).

BobR.

> 
> Also since I have a one-of-a-kind combination, and change it regularly, i
> need to be able to easily change the fuel and ignition curves.  I guesss I
> kust need to get a prom burner and start playing.
> Eric
> esc at firstnethou.com
> If it breaks, make it stronger.
> If it doesn't, try harder.
> '68 Big Block Bird
> '69 Spitfire
> '82(sort of) Camaro