howell chip problems

Carl Summers InTech at writeme.com
Fri Nov 19 18:41:11 GMT 1999


If both computers have two connectors, one red and one blue,,,they are
identical...part numbers have changed but are interchangeable...program id
codes are either E6, 0D, or 0E...this is at location 4008 in the .bin
file...hth's
-Carl Summers

> -----Original Message-----
> From: owner-gmecm at esl.eng.ohio-state.edu
> [mailto:owner-gmecm at esl.eng.ohio-state.edu]On Behalf Of KasaRyan at aol.com
> Sent: Friday, November 19, 1999 9:58 AM
> To: gmecm at efi332.eng.ohio-state.edu
> Subject: howell chip problems
>
>
> Nope, I don't know what the difference is between computers but I
> had a 93,
> and now I have a 94.  Actually I still have the 93, and would
> love to be able
> to send back the 94.
>
> No retard seen or detonation on top end pulls.  It just lays down
> if I put in
> more than 12 deg initial.  Have to crank initial timing waaay up to get
> detonation.  I don't think advance is quite right.  troy says I
> have 36 deg.
> availible in the box.  With 8 inital that is 44 total - too much
> right.  But
> part throtlle reaction and gas mileage seem to be directly
> related to timing.
>  What I have seen and used before indicates 12 initial 36-38
> total is right
> for iron heads, but more initial and less total at 33-34 for al heads.
>
> My scan tool will give real time TPS, MAP, BAR, RPM, Integrator, Blk lrn
> cell, Blk Lrn value, injector pulse width, timing retard, O2 values, just
> about everything except real time ignition advance - which I would really
> like.
>
> Would a heated O2 sesor be advised?  Do they go direct to 12V
> continuous or
> is the heater modulated or timed.
>
> Thanks for your help folks - Ryan.
>




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