[Gmecm] Re: MSD or Delco DIS

[David Allen]

That's my general idea!

----- Original Message ----- 
From: "William Lucke" <william.lucke at highspeedlink.net>
To: <gmecm at diy-efi.org>
Sent: Sunday, December 31, 2006 12:32 PM
Subject: [Gmecm] Re: MSD or Delco DIS


> So you plan to build a controller external to the ECM that would handle 
> the feedback loop to control the VVT actuator so that all the ECM would 
> have to do is output a signal describing where it wanted the cam phasing 
> held and wouldn't have to control the feedback loop itself. Interesting.
>
>
>
> Will
>
>
>> From: "David Allen" <davida1 at hiwaay.net>
>> Subject: Re: [Gmecm] Re: Gmecm Digest, Vol 22, Issue 32
>>
>>   I had planned to fully utilize the VVT - will be another challenge I 
>> look forward to learning from.
>>   Haven't taken it to the track because there are no tracks here that I 
>> know of; and I'm not in the loop of people locally to make such an 
>> outing.  That day will come however.
>>   I'm using a Tech Edge 2B0 datalogger for this car.  Nothing high-tech; 
>> I have to review the data in Excel and adjust the tables manually.
>>   As for the VVT; I can build a controller which will look at cam 
>> reference and crank reference and hold the VVT at whatever position is 
>> commanded. This could take a duty-cycle signal from the ECM.  It could 
>> possible use the PWM output, and table in the BIN originally for EGR to 
>> allow an older ECM to work. Something to think about anyway.
>>   I'd rather not have an MSD system unless it is necessary.  It was 
>> necessary with the distributor but I bet DIS will be strong enough as-is.
>>   Thanks!
>> David
>>
>>
>>
>>
>> - ---- Original Message ----- 
>> From: "William Lucke" <william.lucke at highspeedlink.net>
>> To: <gmecm at diy-efi.org>
>> Sent: Saturday, December 30, 2006 6:59 PM
>> Subject: [Gmecm] Re: Gmecm Digest, Vol 22, Issue 32
>>
>>
>>> That's a cool setup. Have you ever taken it to a drag strip and gotten 
>>> numbers?
>>> The 3900 and '06 3500 both have variable cam phasing. This necessitates 
>>> an advanced ECM. The latest engine that would be compatible with your 
>>> current (or any OBDI) ECM would be an '04-'05 3500. Stock 3400's have 
>>> made over 300 WHP turbocharged.
>>> MSD makes multi-channel boxes with adapters that mount between the DIS 
>>> module and the coils.
>>> Your page mentions an aftermarket datalogging system... what system is 
>>> that?
>>>
>>>
>>> Will
>>>
>>>
>>>> From: "David Allen" <davida1 at hiwaay.net>
>>>> Subject: Re: [Gmecm] Re: MSD or Delco DIS
>>>>
>>>>> BTW, im curious what type of vehicle this is in. Is is
>>>>> a s10 or camaro or an older front drive car ?
>>>>   It'a an older FWD car - a Buick Century.  Maybe this didn't go 
>>>> through. http://home.hiwaay.net/~davida1/superc.htm shows the car and 
>>>> it has a link to the engine setup.
>>>>   I'm not in this for looks or to be able to say "I have an MSD 
>>>> ignition" to the riceboys.  I just wanted something that works properly 
>>>> with my setup.  A stock 1-coil distributor did NOT work properly... The 
>>>> MSD was a very non-invasive drop-in solution that absolutely _fixed_ 
>>>> the problem.
>>>>   The MSD box works exceptionally well, but my next motor will be a 
>>>> newer one with factory DIS. (maybe even a 3900!)
>>>>   I know the GN guys have a standard DIS and boost 20 PSI with it and 
>>>> have plenty of ignition.
>>>>   Thanks,
>>>> David
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