<VV> Re: VirtualVairs Digest, Vol 7, Issue 228

[John Dozsa]

> Subject: Re: <VV> OT waterpumpers
> Date: Tue, 23 Aug 2005 09:05:16 -0400
> From: Padgett <pp2 at 6007.us>
> To: "henry kaczmarek" <kaczmarek at charter.net>, <virtualvairs at corvair.org>
> References: <5.2.0.9.2.20050822201140.01dd6390 at mail.bellsouth.net>
> 
> >So tell me, How did you re-program the mixture control solenoid, and the
> >Idle speed control sensor to change idle speed and fuel/air mixtures to
> >respond at a temperature lower than the 192 that is programmed into the
> >prom and the engine control computer by the factory??
> 
> Didn't need to, A/F maps for my cars are flat for anything over 176F (80C)
> and below 219F (104C) and BTW there is no mixture control solenoid,
> injectors are pulse width modulated - same as the afterburner in an F-16.
> 
> I did adjust the warm idle speed up from 625 to 700 rpm (10%) for a little
> better a/c performance at a stoplight. Does that count ?
> 
> Padgett
> 
> ps GM cars prior to OBD-II which has flash memory used UV-PROMs mostly
> 27C256s, all you need are some adapters for the MemCal connector, a UV
> eraser ($50) and a PROM Programmer ($150). Fiero used plain DIPs and is
> even easier. If someone is really interested, contact me offline and I can
> provide some links.


I'm interested in the links you referenced.

John Dozsa
jdozsa at carr.org