[DeTomaso] final verduct on self-tuning fuel injection

Rich hoppe1 at cox.net
Wed Oct 5 21:05:44 EDT 2011


Ok
I don't respond very often.
I have an electromotive tec 3 unit in one of my cars.
I wanted to learn about EFI so that is why I did it.
I have to say one car I built with a carb ran good from the first day I 
started the engine.
It took three different EFI systems for me to get my car running to where I 
am.
I had it on a dyno for a week.  Ouch!
Is it perfect? -- no.
If you want EFI and not a learning experience-- have a vendor do it.
I wanted to learn the new technology and just like in the 60's ( yeah I am 
old) I had to learn the hard way with carbs and points and cams .....
I am glad I did it.   I learned a lot an now feel I am even knowledgeable to 
how new cars run.
After the EFI experience, I now have a lot more respect for carbs.  They 
really deal with a lot of engine changes.
The precise system of EFI has a hard time with the programing to meet a 
specific engine needs that make it painfull to get right.
Carbs are a lot easier and so is a pencil and paper compared to learning a 
computer.
But it is the age we live in.
Rich Hoppe

-----Original Message----- 
From: Steve Hawkins
Sent: Tuesday, October 04, 2011 3:36 PM
To: 'Roland Jaeckel' ; 'Bill Lewis' ; detomaso at realbig.com
Subject: Re: [DeTomaso] final verduct on self-tuning fuel injection

You would be wrong.

Steve

-----Original Message-----
From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
Behalf Of Roland Jaeckel
Sent: Tuesday, October 04, 2011 10:41 AM
To: Bill Lewis; detomaso at realbig.com
Subject: Re: [DeTomaso] final verduct on self-tuning fuel injection


That's why i have vintage cars. They still use technology, i can fix
myself..
I don't think, that there is any Pantera with a cleveland out there with a
100% functional fuel injection.
100% means, it has to work like a proper tuned new carb.
----- Original Message ----- 
From: "Bill Lewis" <lotus0005 at hotmail.com>
To: <detomaso at realbig.com>
Sent: Tuesday, October 04, 2011 4:40 PM
Subject: Re: [DeTomaso] final verduct on self-tuning fuel injection


>
> CARB MAN can now go nationwide!    HA  HA  HA  HAAAAAA!!!!
>
>
>
>> Date: Tue, 4 Oct 2011 10:13:07 -0400
>> From: cengles at cox.net
>> To: justingreisberg at hotmail.com
>> CC: detomaso at realbig.com
>> Subject: Re: [DeTomaso] final verduct on self-tuning fuel injection
>>
>>
>> Dear Justin,
>>
>> Thanks for sharing your tale of EFI woe. It sounds like the nightmare
>> I
>> have feared I would suffer if I took the plunge. I know that these "bolt
>> on" EFI systems are out there. I know that they supposedly work. I know
>> that techno savvy owners have functioning systems that are more
>> complicated than the bolt on versions.
>>
>> I also know that the old Holley Pro-jection system didn't work well.
>> I
>> know of a Pantera owner in the northwest that pursued EFI on his 351C
>> with frustrating results I know of a Pantera owner in OKC with EFI and
>> lots of driveability problems. These problems can also be found on carbs,

>> I know, but the PITA factor and the cost of screwing around with EFI
>> versus carbs persuades me to stick with carbs for the near and
>> intermediate future.
>>
>> Yeah. I am a Luddite in this regard.
>>
>> Warmest regards, Chuck Engles
>>
>>
>> ---- Justin Greisberg <justingreisberg at hotmail.com> wrote:
>> >
>> > Everyone might be sick by now of hearing my ongoing troubles with
>> > EFI,
>> > but I am hoping I can help save someone else the pain. $2500, 2 years
>> > of tuning, well over 100 miles of driving a car in circles around the
>> > block. Have come to a point where problem can not be fixed by me. I
>> > have professional products retrotek powerjection 1 system. Older system

>> > (2 years) but the techs at the company can not offer me any help. Can
>> > not fix driveability issues (goes way lean under mild acceleration, so
>> > accelerating from a stop light leads to severe bogging and just about
>> > stalling in the middle of an intersection.) I have asked for a refund
>> > or a free upgrade to their new system, powerjection 3, so that maybe
>> > they can provide better tech support (which would be a downgrade since
>> > new system is cheaper than old system), but they stopped returning my
>> > calls.
>> >
>> > I have a 351 cleveland with CHI heads, roller cam, CHI intake.
>> > makes
>> > 8-12 inches vacuum at idle, which makes it harder for fuel injection
>> > system to work.
>> >
>> > I now am throwing away the entire system and starting over with a
>> > carb.
>> > Have to redo entire fuel system to non-EFI pump. close to $1000 to
>> > spend on carb and fuel pump and plumbing now. Totally disgusted. I am
>> > not made of money, and my hobby has become a source of endless stress.
>> > The EFI was supposed to make cold starting easier, but never worked
>> > properly. Was supposed to just start right up when you turn the key.
>> > well, sometimes it does. cold idling was supposed to be better than an
>> > electric choke. Doesn't do it, though. Was supposed to make driving
>> > better, but just fouled multiple spark plugs and totally carbon fouled
>> > the combustion chambers of my new heads and engine. Was supposed to be
>> > easily tuneable by computer, but not so easy, even for a knowledgeable
>> > person like me. If anyone has questions about these issues, feel free
>> > to ask me, since I understand these issues well. It is just that this
>> > system doesn't work as designed.
>> >
>> > I know others have found some success with these systems, but I
>> > strongly recommend staying away. Others have said I should just find a
>> > tuner - but I don't know how much more time I can give this. I have a
>> > job, and taking a day off from work to go to some tuner (flatbed the
>> > car who knows where!) becomes an expensive option for a system that is
>> > clearly advertised as just put it on and drive! And if the techs at the

>> > company can't fix it, then why would anyone else be able to???
>> >
>> > Anyone want to buy a slightly used EFI system? for sale, cheap? NO
>> > REFUNDS justin
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