V8 S-10 and '747

Bruce Plecan nacelp at bright.net
Thu Oct 1 22:38:38 GMT 1998


-----Original Message-----
From: Steve Ravet <steve.ravet at arm.com>
To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
Date: Thursday, October 01, 1998 5:45 PM
Subject: Re: V8 S-10 and '747


>> The ecm ya got is the car.  The 747 is truck.  Supposedly the
>> truck ecms are designed for more torque applications.  Weither
>> they mean in the software or hardware I don't know.  As I mentioned
>> before the car has the run lean mode for cruise.
>> Cheers
>> Bruce
>
>It's that simple? 

Sometimes, my answers are too short I guess.

And yes, I have run that ecm.  Got great mileage, throttle response
was nothing like what I wanted.  Course then I just starting, when
I was playing with it.
Bruce

 Never would have guessed.  I assumed there would be
>sensor and wire harness changes.  Man, that makes all the difference. 
>There are some things I want to change like the idle settings (too high
>right now, like 1050 rpm).  So I can go get a '747 ECM, and a copy of a
>prom from a 350 truck, and I'll be set to go?  And I can keep the 6965
>under the seat for emergency backup?  Too cool. Thanks, Bruce  <picks up
>phone to call junkyard>
>
>--steve
>
>ps, still curious to hear from the original poster about before-n-after.
>
>
>
>
>
>>A couple days ago someone posted about their V8 S-10, that they switched
>>from 16316965 to '747.  I also have a V8 S-10 w/6965.  I've considered
>>switching to '747, but need a good reason to take my daily driver out of
>>service for the time it would take.  I'm curious about why you made the
>>conversion, how difficult it was, and what effect there was, like on
>>mileage or performance.  My engine is a stock 350 from a '91 Caprice.
>-- 
>Steve Ravet
>steve.ravet at arm.com
>Advanced Risc Machines, Inc.
>www.arm.com
>




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