Oh Class, tap, tap, tap ECM'sa smokin

[Bruce Plecan]

-----Original Message-----
From: Raymond C Drouillard <cosmic.ray at juno.com>
To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
Date: Friday, January 29, 1999 11:07 PM
Subject: Re: Oh Class, tap, tap, tap ECM'sa smokin

But, the point was to get hard numbers, and observed results.
The attempt was going to be firing 16 injectors without add on electronics.
Bruce


>It makes sense that injecters in series don't open as fast.  There is
>more inductance.  It takes the current (and the magnetic field) longer to
>build to maximum strength.
>
>I would be inclined to use a transister to fire each one seperately.  A
>2N3055 is pretty cheap.
>
>Ray
>
>
>On Fri, 29 Jan 1999 17:19:19 -0500 "Bruce Plecan" <nacelp at bright.net>
>writes:
>>Todays' lesson so far is
>>series/parrarel injectors don't work, ie 2 groups (of 8 injectors) in
>>  series, and the slow injector openings don't happen.  Where a 
>>  stock setup will fire injectors to less than 1 msec.  the series/
>>  par, sign off at about 2.1
>>The intake air temp., correction makes little difference at idle,
>>  but at higher rpm makes a huge difference.
>>The above information is specific to a gm 1227730 using a AUJP
>>calibration.
>>More to follow
>>Cheers
>>Bruce
>>
>>
>
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