[DeTomaso] This sucks, up date

[asajay at asajay.com]

I run a Holley Projection 2V system on my Jeep.  It's proven pretty  
reliable, BUT it does -not- control ignition.  In the 10 years I've  
had it, I've had to replace the brain box once, last year.  It's a  
very early unit, throttle body style.  It's what has convinced me to  
put EFI on my Mach I and Pantera, I just can't afford to just yet.

Asa Jay

Quoting adin at frontier.net:

>
> I guess I was referring to the system, and not thinking. I don't have
> much faith in the ford ignitions.
>
> Friend built a truck for a customer that insisted on Holley EFI system
> - it never worked the same twice, would not respond to changes, etc.
> I don't have much faith here, either.
>
> Thanks for the note.
>
> Quoting Thomas Tornblom <Thomas.Tornblom at hax.se>:
>
>> adin at frontier.net skrev:
>>> IF that is the mustang efi distributor:  buy the outside (the
>>> distributor)module and replace.  If this doesn't work, buy the
>>> inside  electronic part and replace.  ONLY BUY FORD PARTS.
>>
>> A Mustang EFI distributor doesn't work in a 351C. The shaft is too thin
>> and the block hole is larger on the 351C than a 5.0 so the body will
>> not seat properly.
>>
>> When I converted my Pantera to Ford EFI I didn't know about the TFI
>> problems so I converted the 460 EFI dist, which has an external TFI
>> module, to the standard 5.0 setup where the module is mounted to the
>> dist.
>>
>> I've replaced the TFI module once in the 8 years I've run this setup,
>> and the module was probably 10 years old when I installed it.
>>
>>>
>>> From what I have heard about the holley fi units - trash it. YMMV!
>>
>> Can't comment on this, I run a Ford EFI from a 5.0, but with larger
>> everything.
>>
>> Thomas
>>>
>>>
>>>
>>>
>>> Quoting SOBill at aol.com:
>>>
>>>> Paul,
>>>>
>>>> Here's what I think I know.
>>>>
>>>> Ford TFI ignitions are designed to run with the spark timing    
>>>> controlled by
>>>> a computer.
>>>> The TFI module sends a "PIP" (think of it as points opening)   
>>>> signal  to the
>>>> computer and the computer sends a "SPOUT" (think of it as Fire-The-Coil)
>>>> signal to the TFI module. In the absence of a "SPOUT" signal, the
>>>> TFI module
>>>> will produce sparks at a fixed crankshaft timing.
>>>>
>>>> Your description of how the engine runs sounds, to me, like you are
>>>> running with fixed ignition timing.
>>>>
>>>> Exactly which model of Holley TBI do you have?
>>>>
>>>> SOBill  Taylor
>>>> sobill at aol.com
>>>>
>>>>
>>>>
>>>> **************A Good Credit Score is 700 or Above. See yours in   
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>>
>> --
>> Real life:   Thomas Törnblom             Email:  Thomas.Tornblom at Hax.SE
>> Snail mail:  Banvallsvägen 14            Phone:    +46 18 444 33 21
>>              S - 754 40 Uppsala, Sweden  Cellular: +46 70 261 1372
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