[DeTomaso] This sucks, up date

[Thomas Tornblom]

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
>>
>>
>>
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-- 
Real life:   Thomas Törnblom             Email:  Thomas.Tornblom at Hax.SE
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