[DeTomaso] MSD fuel injection

Asa Jay Laughton asajay at asajay.com
Tue Mar 12 00:10:13 EDT 2013


Justin,
As I recall, Doug Braun of Panteras Northwest has this same Powerjection 
III system on his 1969/70 Mach I.  He loves it.  He's a tuner and an 
engineer.  He found one problem, got it fixed and it's been beautiful 
ever since.  Doug is on this forum... somewhere.  Perhaps he'll pipe up.

Asa

Asa Jay Laughton, MSgt, USAFR, Retired
&  Shelley Marie
Spokane, WA
******************************
http://www.racingagainstautism.com
http://www.teampanteraracing.com
http://facebook.com/racingagainstautism


On 3/11/2013 5:50 PM, Justin Greisberg wrote:
> Did you set up the system yourself?  Obviously  a person who is experienced with EFI will have an advantage over a newbie like me.  But remember, all these things are advertised as 'Install it on saturday, drive it on sunday to the show...'    I like the idea of a fast idle on cold starting, that is the benefit of the idle motor control system.  As I spend more time with the whole thing, I am beginning to understand my some people just eliminate the idle circuit entirely.
> A fuel injection system on your own from scratch is not easy.  A carb is not easy to tune either, but the reality is that for most motors, if you take an appropriate carb out-of-the-box and use it, it will run pretty well.  Fuel injection is a lot like a carb that can be tuned with a computer, so I like the concept, and I still like the potential, but after 4 years of more tuning than pleasure driving, I wonder about all those pleasure cruises I missed out on.  Part is because customer support for my system is very low because the company was bought out by another company a month after I installed it.  But with any system, tuning over the phone with a helpful tech is still a challenge.
>
>> Subject: Re: [DeTomaso] MSD fuel injection
>> From: kirby.schrader at gmail.com
>> Date: Mon, 11 Mar 2013 19:24:21 -0500
>> CC: detomaso at poca.com
>> To: justingreisberg at hotmail.com
>>
>> Justin,
>>
>> Wow…. I'm honestly sorry to hear that.
>>
>> Even though I've had some issues (and all the local guys in the Houston area know of my trials and tribulations), I am still very happy with my Electromotive systems.
>> One on the GT40 (TEC3r) and one on the Pantera (TEC GT).
>>
>> I used to have an F9a Haltech (fuel only) on the Pantera. It was a 1996? system that I installed in 2000.
>> Never had a bit of problem until all the smoke went out of it after 14 years.
>>
>> I would NEVER go back to a carburetor.
>> Even if 'The Carbman' threatens me some more!
>> :-)
>>
>> I turn on the key on the GT40. I push the start button.
>> It starts.
>> I don't even have to be in the car to pump it or turn off the key again and try again or…. anything.
>>
>> The Pantera? Just got the EFI installed a couple of months ago. Wasn't the EFI that had me baffled on it.
>> It was the damned coils. I won't _EVER_ buy anything that has smoke in it off of eBay again.
>>
>> Still got some tweaking to do with the Pantera startup settings, but it always starts.
>> It's in the paint shop right now and I sure as hell hope it's finished for the Fun Rally. I intend on driving the car there.
>> A first in my history.
>>
>> Oh, and I don't use an IAC on either car. I've never found a reason to use one?
>>
>> And yes, a chassis dyno helps a lot, but isn't strictly necessary. Just takes more time and lots of logging.
>> The buttometer helps some, too.
>> I took the GT40 to a dyno. It was a total waste of time and money. The guy said…. 'Oh, you don't have a FAST system?'
>> We struggled from there and I went home.
>>
>> FWIW,
>> Kirby
>>
>> PS: Some of the above are 'inside jokes'. You _know_ who you are! Bill!
>> :-)
>>
>>
>> On Mar 11, 2013, at 6:02 PM, Justin Greisberg<justingreisberg at hotmail.com>  wrote:
>>
>>> I still am the voice of reason in the EFI discussions.  I have been working with my Retrotek EFI system for 4+ years now.  Still doesnt run as well as my carb'd engines.  I am making progress, and I hope that one day I will have a really nice setup.  But I would never do it on another vintage car.  And there is nothing plug and play about it.  I still have not achieved satisfaction in cranking, cold engine running, and idle.  i have not yet really worked on acceleration much at all.  With a chassis dyno and an EFI system and some time, it is possible to really do some nice stuff.  But without a chassis dyno, becomes more tedious.  And the various settings and controls are not so intuitive and not so easy for an interested amateur.  MSD system looks more or less comparable to FAST EZ EFI and retrotek (professional products).  The ACCEL DFI looks even more confusing to me...  justin
>>> P.S. - a big problem with the pantera is that, if the engine does not catch on the first try with the starter, you have to turn ignition to off and then on again to crank the starter again.  In some, maybe all, of these systems, ignition off starts a process of resetting the idle control motor.  That takes maybe a minute or so, but there is not outward indicator of the process.  If you dont give it that full minute, then when you re-crank, the idle motor is not in the right position and the car wont run right the entire time it is running.  Ask me how many years that took me to figure that out....  that is the kind of thing you discover when you try to make these things work.  justin 		 	   		
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