[Gmecm] 749 ECM

[James Panter]

Mark:    I have the injector set at 7 for 42 lb injectors which should be 
correct.   The engine dies within two or three minutes after starting which, 
I believe, is due to the rich condition.  That constant was about 4.5 before 
so the new consant may help.
What line items are you referring to on the VE tables?  The only line item 
that I see  with VE and closed throttle is F30.
Your help and suggestions are greatly appreciated/
Jim Panter
----- Original Message ----- 
From: "Mark Romans" <romans at starstream.net>
To: <gmecm at diy-efi.org>
Sent: Monday, March 12, 2007 9:43 AM
Subject: Re: [Gmecm] 749 ECM


> Hi Jim:  First make sure that your injector constant is set properly.
> 2nd.  A stock engine idles at about 35kpa, so what kpa does your engine 
> idle at?
> Past the VE setting from 35 kpa to the kpa your engine idles at.  Copy 
> that kpa from the
> colume where it idles all the way to the smallest kpa settings on the map. 
> (Closed Throttle).
> This will get you started.
> Mark
> ----- Original Message ----- 
> From: "James Panter" <9jim30 at charter.net>
> To: <gmecm at diy-efi.org>
> Sent: Monday, March 12, 2007 6:22 AM
> Subject: Re: [Gmecm] 749 ECM
>
>
>> Mike:   Good point you make particularly on the injectors.   I doubt 
>> whether the small block is a 350 or 355 would make much difference in the 
>> larger picture (a stroker would).  I'm using a very mild Isky cam and 45 
>> lb injectors and was just really surprised at how rich the engine is 
>> intially after just changing the bin to reflect a V8 rather than the V6 
>> because the actually cyl volume is very similar.  And, yes I have an LM1 
>> and all the Moates stuff.   I was just hoping to get close on the 
>> settings and save time.   The car hasn't been driven yet, just started 
>> and it's far too rich to drive.
>> I appreciate you response.
>> Jim
>> ----- Original Message ----- 
>> From: "Mike V" <efi at dyakron.com>
>> To: <gmecm at diy-efi.org>
>> Sent: Monday, March 12, 2007 7:48 AM
>> Subject: Re: [Gmecm] 749 ECM
>>
>>
>>> Hi Jim,
>>> it's unlikely that there will be a bin that is ready made for your 
>>> combination of
>>> cam, injectors, etc.   Do you have a log file from your ALDL datastream?
>>> Also, what are the specifics of the engine?  There are other factors, 
>>> but
>>> the camshaft specs and injector size are two big ones that come to mind.
>>> Datastream monitoring is critical for addressing this sort of thing.
>>> mv
>>>
>>> ----- Original Message ----- 
>>> From: "James Panter" <9jim30 at charter.net>
>>> To: <gmecm at diy-efi.org>
>>> Sent: Sunday, March 11, 2007 7:34 PM
>>> Subject: [Gmecm] 749 ECM
>>>
>>>
>>>> Hey Guys    Is there anyone who has done a small block Chev (twin 
>>>> turbos @ 8 psi boost) using the $58 program that has it tuned??  I have 
>>>> my project running but very rick and was hoping to find someone who 
>>>> could send me a corrected bin or give me line items changes they made 
>>>> that worked.
>>>> Thanks for any help---
>>>> Jim
>>>>
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>>
>>
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>
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