[DeTomaso] Speaking of EFI--Water Temp Sensor Question

Thomas Törnblom thomas at hax.se
Tue Jul 28 14:18:15 EDT 2020


You could fabricate an H pipe bypass with a 3/8 NPT bung and connect between the heater hoses and barbs. A trickle flow between the input and output should be enough. 

Thomas

> 28 juli 2020 kl. 19:48 skrev Richard Greenblum <richard at richardgreenblum.com>:
> 
> I’m headed that direction, as Thomas (and Bill Bitner privately) suggested.  It may be that the Sniper doesn’t need that much input after the engine warms up, or simply facing reality, the thermostat isn’t going to be closed where I drive the car...
> 
> 
>> On Jul 28, 2020, at 11:57, Mike Drew via DeTomaso <detomaso at server.detomasolist.com> wrote:
>> 
>> Hmm. Drill extremely expensive and non-obvious cylinder head, or drill into a cheap and easily replaced water pipe and have a bung fitted, as the factory did originally?
>> 
>> I know what would do.....
>> 
>> Mike
>> 
>> Sent from my iPad
>> 
>>>> On Jul 28, 2020, at 09:24, Richard Greenblum <richard at richardgreenblum.com> wrote:
>>> 
>>> Mike,
>>> 
>>> That was my original plan, but Dennis Quella told me that location is bad due to turbulence causing inaccurate readings.  If I have to, I can connect the garage there and hope I don’t have an issue with water temp, but that would be pretty risky.  He suggested drilling a head.  CHI’s are billet, so it’s not obvious where the water jacket is.  I’d have to ask them for a template or at least some guidance on where to drill if that’s where I end up...
>>> 
>>> 
>>>> On Jul 28, 2020, at 11:14, Mike Drew <MikeLDrew at aol.com> wrote:
>>>> 
>>>> All,
>>>> 
>>>> Aftermarket water pumps usually have two fittings with pipe plugs. One is the inlet for a heater hose but I don’t know what the other would be used for? Could that be an option?
>>>> 
>>>> Mike
>>>> 
>>>> Sent from my iPad
>>>> 
>>>>>> On Jul 28, 2020, at 08:52, Richard Greenblum <richard at richardgreenblum.com> wrote:
>>>>> 
>>>>> All,
>>>>> 
>>>>> Where did you locate the water temp sensor for the EFI system?  With no water in the intake, 351C’s are short one location.  I’m very reluctant to drill into the front of one of the heads (CHI 4V).  I understand teeing off the current water temp sensor for the gauge will not yield accurate water temps.
>>>>> 
>>>>> Thanks,
>>>>> 
>>>>> Richard
>>>>> Austin, TX 
>>>>> 
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