[DeTomaso] efi horse power gain

Kirby Schrader kirby.schrader at gmail.com
Mon Aug 10 03:37:50 EDT 2009


Yes, that is correct.

On 10 Aug 2009, at 12:35 AM, Göran Malmberg wrote:

> Are they using 8 MSD boxes?
> Goran
>
> -----Ursprungligt meddelande-----
> Från: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com 
> ]
> För Kirby Schrader
> Skickat: den 10 augusti 2009 00:48
> Till: Ken Green
> Kopia: wkooiman at earthlink.net; De Tomaso List
> Ämne: Re: [DeTomaso] efi horse power gain
>
>
> Mike and Jack have done coil on plug with their cars. They are using
> the TEC3r to trigger an MSD.
> I haven't done that yet. I may, but it runs fine, so... if it ain't
> broke, don't fix it?
>
> :-)
>
>
> On 9 Aug 2009, at 9:59 AM, Ken Green wrote:
>
>> The only system architecture limitation I know of for the TEC-3 is
>> that you can't do coil on plug with it.  I even called them to make
>> sure.  FAST has an add on module for coil on plug.  I guess that's
>> an opinion thing and a lot of engine have waste spark ignitions and
>> work fine, but it seem like the manufactures have gone coil-on plug
>> for most the big engines?
>>
>> Ken
>>
>> --- On Sat, 8/8/09, Kirby Schrader <kirby.schrader at gmail.com> wrote:
>>
>> From: Kirby Schrader <kirby.schrader at gmail.com>
>> Subject: Re: [DeTomaso] efi horse power gain
>> To: "boyd casey" <boyd411 at gmail.com>
>> Cc: wkooiman at earthlink.net, "De Tomaso List" <detomaso at realbig.com>
>> Date: Saturday, August 8, 2009, 10:28 PM
>>
>> Boyd,
>>
>> TEC3r does sequential or batch. Whatever you want. 2, 4, 6, 8, 12
>> cylinders, turbos, superchargers, etc. etc.
>> I'm using sequential injection with a cam sync.
>>
>> Speed of the system... Don't know what that _really_ means or how it
>> pertains to performance.
>> Every system out there will react fast enough to what's happening  
>> with
>> the engine.
>> Otherwise, it wouldn't work and nobody would buy it. Dunno... just
>> speaking as an electronics engineer.
>>
>> TEC3r will handle 16 injectors. How many do you need?
>> :-)
>>
>> My system has fuel rails on the inside (GT40), but the Pantera has
>> outside fuel rails.
>> Older system.... I don't know why fuel rails on the outside are a 'no
>> no', but am willing to learn!
>> Did he give you a reason why?
>>
>> Let me guess... longer rails/fuel lines and more fuel pressure
>> variation from front to back?
>> That's the only thing I can think of...
>>
>> The biggest issue I have with the Pantera setup is I have a side pull
>> linkage.
>> Same as some Weber setups. It works well. I hardly ever had to adjust
>> it.
>> But it leads to a really 'snappy' low RPM throttle response.
>>
>> The GT40 has the latest TWM progressive center pull linkage with the
>> 'wheel'. Make sure you go with this!
>> It's the 'cat's pajamas', as my Mother used to say.... really a
>> pleasure to drive.
>>
>> Bosch injectors are definitely the way to go. I use Marren  
>> Motorsports
>> for a lot of EFI stuff.
>> http://www.injector.com/
>>
>> They will calibrate the injectors if the ones you have are used or  
>> you
>> just want to be sure. You send them in, they send them back.
>> I had one on the #2 cylinder of the Pantera that was a couple of
>> percent off and would run leaner than the rest.
>> They fixed that. No, I don't know what they do to 'fix' them. Never
>> asked.
>>
>> Both my systems use fuel return.
>>
>> What else do you want to know?
>> :-)
>>
>> Oh! And yes, I agree with you. If you're going to spend the money, go
>> the right way and all the way.
>>
>> Of course, after the hassles I had with my GT40 (the harness,  
>> mostly),
>> lots of the Space City guys give me a hard time.
>> Individuals will NOT be named, of course.
>> ;-)
>>
>> Regards,
>> Kirby
>>
>>
>> On 8 Aug 2009, at 7:00 PM, boyd casey wrote:
>>
>>> I have been speaking to Gary at twm induction and they actually
>> use a
>>> weber intake manifold and machine it to adapt the injectors . He
>> said
>>> that the FAST computer was the way togo now adays. The system Mad
>> dawg
>>> has was he top of the line back when he got it but the new fast
>> system
>>> is supposed to be supierior. The important factors are sequentail
>>> injection vs batch injection, the speed of the system and how many
>>> injectors it cam control. Also lots of the Weber style EFI have the
>>> injectors and fuel rails on the out side and thats supposed to be
>> a no
>>> no. Another big factor is the injectors. Gary told me the Bosch were
>>> far supierior.  ( cost around $300 or $400 more then the lucas
>>> injectors. Many of the systems are designed as EFI for dummies. No
>>> fuel return, no computer pprogram adjustmment neccesary. It seems to
>>> me if your going to bite the bulet for $6500.00 + you may as well do
>>> it right or just  go with a holley commander for around $2000.00.
>>>
>>> Boyd
>>>
>>> On Sat, Aug 8, 2009 at 6:33 PM, Kirby
> Schrader<kirby.schrader at gmail.com
>>>> wrote:
>>>>
>>>> Ah, yes.... another person doing
>>>> IR EFI on a GT40. Let us know how you get on!
>>>> Jack Houpe, Mike Trusty and myself all have a TWM setup with a
>>>> TEC3r (Jack uses a TEC2)
>>>> on our GT40's.
>>>> Each one of us attacked the twin tank fuel feed setup differently.
>>>> I need to re-plumb my fuel system. I have a 'better idea' than what
>>>> I am using now.
>>>> On 8 Aug 2009, at 11:23 AM, Julian Kift wrote:
>>>>
>>>> I am in the initial stages of an EFI retrofit on the GT40 with a
>>>> TWM IR
>>>> system. Even after getting a good deal on the TWM throttle bodies
>>>> and the
>>>> ECU it has cost far more than I care to tell in $$ and time (it's
>>>> all the
>>>> little stuff, plus the complexity of twin tanks in that application
>>>> requiring a swirl pot etc.). I constantly ask myself why I didn't
>>>> just buy a
>>>> Weber 48IDF set up and may even still do that.
>>>>
>>>> For the Pantera I have a Kinsler mechanical unit that I will
>>>> convert to
>>>> EFI and the ECU will be the DTAFAST (out of the UK), it is as
>>>> capable as a
>>>> MOTEC at about half the cost.
>>>>
>>>> http://www.dtafast.co.uk/
>>>>
>>>> Julian
>>>>> Date: Sat, 8 Aug 2009 10:54:49 -0400
>>>>> From: boyd411 at gmail.com
>>>>> To: wkooiman at earthlink.net
>>>>> CC: kirby.schrader at gmail.com; detomaso at realbig.com
>>>>> Subject: Re: [DeTomaso] efi horse power gain
>>>>>
>>>>> The EFI set up I am looking at and considering is basicaly the
>> same
>>>>> one Mad dawg has. It is a twm Induction stack (looks like webers)
>>>>> The
>>>>> ECU I am considering is the FAST ( I spoke to dawg and this is a
>>>>> more
>>>>> upto date ECU then he has) Another key component are the
>>>>> injectors.The
>>>>> two things I don't have are Mike Trusty and the CASH! I'm
>> working on
>>>>> the cash but I don't know what to do about Mike.
>>>>> Boyd
>>>>>
>>>>> On Sat, Aug 8, 2009 at 9:57 AM, Will
> Kooiman<wkooiman at earthlink.net
>>>
>>>>> wrote:
>>>>>> There's a very dramatic initial negative increase.  In most
>>>>>> cases, the
>>>>>> initial increase is the carbureted HP * -1.
>>>>>>
>>>>>> After a year or two of fiddling around, EFI catches up.
>>>>>>
>>>>>> Then you get smart and buy Mike Trusty a plane ticket.  You treat
>>>>>> him
>>>>>> right,
>>>>>> feed him, and brag about how your tires hook really well.  Then
>>>>>> M.T.
>>>>>> fiddles
>>>>>> for 15 minutes, and finally EFI surpasses your carbureted HP.
>>>>>>
>>>>>> But then you need better tires.
>>>>>>
>>>>>> -----Original Message-----
>>>>>> From: detomaso-bounces at realbig.com
> [mailto:detomaso-bounces at realbig.com
>>>>>> ]
>>>>>> On
>>>>>> Behalf Of Charles Engles
>>>>>> Sent: Saturday, August 08, 2009 8:46 AM
>>>>>> To: boyd casey
>>>>>> Cc: Kirby Schrader; detomaso at realbig.com
>>>>>> Subject: Re: [DeTomaso] efi horse power gain
>>>>>>
>>>>>> Dear Boyd,
>>>>>>
>>>>>>
>>>>>>                 Perhaps Kirby Schrader would comment on this.
>>>>>> He had
>>>>>> one
>>>>>>
>>>>>> of the Haltech EFI systems installed on his already healthy
>>>>>> engine back
>>>>>> in
>>>>>> the mid nineties and he has first hand experience about the
>>>>>> before and
>>>>>> after
>>>>>>
>>>>>> performance.  He was very happy with the change.
>>>>>>
>>>>>>                            Warmest regards,  Chuck Engles
>>>>>>
>>>>>>
>>>>>>
>>>>>> ----- Original Message -----
>>>>>> From: "boyd casey" <boyd411 at gmail.com>
>>>>>> To: "De Tomaso List" <detomaso at realbig.com>
>>>>>> Sent: Friday, August 07, 2009 10:50 PM
>>>>>> Subject: [DeTomaso] efi horse power gain
>>>>>>
>>>>>>
>>>>>>> Can anyone tell me what kind of horsepower increase one could
>>>>>>> expect
>>>>>>> from the addition of a quality professionally setup sequential
>>>>>>> efi to
>>>>>>> a Cleveland  engine?
>>>>>>>
>>>>>>> Boyd
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