AWWH and AWUP

[Dr.Acacio]

Thanks for the reply
I checked the truck and is really a bigblock engine 454.....
the chip is the AWUP and we have changed for the AWWH ( from another truck)
to test and there are big differences in performance .. The AWWH is
better...
I couldnot read the chip ( the truck 's owner was waiting the test) and now
my friend wants to use the AWWH chip...Do you think the BAMY will have more
power????  Where I can find AWWH????
COULD SOME ONE GIVE DIRECTIONS TO ACESS  BAMY38F1.BIN  ???
I didnt find it  in ftp site...
Many thks...
-----Mensagem Original-----
De: Walter Sherwin <wsherwin at idirect.com>
Para: <gmecm at diy-efi.org>
Enviada em: Friday, March 10, 2000 3:54 AM
Assunto: Re: AWWH and AWUP


> There's a small problem here.  Broadcast code AWWH8443 is the calibration
> file for a 91 454SS pickup.  AWUP8555 is for a 92-93 454SS.  Both were
> subsequently superceded by BAMY5250.  You can find the BAMY binfile on the
> FTP site under filename BAMY38F1.BIN.  All of these cals were exclusively
> for the 454SS C1500 truck with GENV L19, 4L80E trans, dual exhaust, 4.10:1
> gear, and 16147060 PCM.
>
> Your truck (if it is a 92 5.7L) is an entirely different beast.  Your best
> bet is to remove your glove box liner, and examine the top surface of your
> ECM/PCM (the silver rectangular box to the right hand side).  You should
> note a white sticker which should contain both the service part number of
> your controller and the broadcast code of your calibration file.  If the
> controller has ever been replaced in the past, then the white sticker may
> not illustrate your particular broadcast code.  In this case, remove the
two
> screws holding the access door in place, and observe the blue MEMCAL unit
> beneath.  Through one of the two oval windows located on the top surface
of
> the MEMCAL, you should see a silver sticker denoting both the 4 character
> broadcast code, and a 4 digit number beneath (ie: something like
BAMY5250).
>
> Once you have your truck's descriptors, then ask around the list, and
surely
> you will find someone who has had experience with your particular cal &
> controller combination.
>
> Walt.
>
>
>
>
> >> Does any one knows the difference between those ECU's???
> >> I friend said that his Truck (1992 with 5.7L ) works much better with
the
> >> AWWH.....
> >> Is it a normal GM ECU or a after market with more power???
> >> Where can I get the bin files for those ECU's????
> >> Many Thanks
>
>
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