[DeTomaso] head drilling for air release

[Asa Jay Laughton]

Chris, I appreciate the offer.  If needed, I have a Harbor Freight near 
me.  I really need to get the thermostat out and check it.  I'll then 
reseal the housing without a thermostat and run the car to see what 
happens.  (I'll also boil test the thermostat).  I don't believe my 
issue was a mongo-bubble holding up the fluid flow  (I'm a fan of 
drilling a hole in the thermostat to assist air bleed).

Asa Jay

Asa Jay Laughton, MSgt, USAFR, Retired

& Shelley Marie
Spokane, WA

1971 Mach I Mustang  [ASA JAY]
1973 Pantera L 5533  [ASASCAT]
    
******************************     
http://www.asajay.com
http://www.teampanteraracing.com
  



Chris Difani wrote:
> AJ:
>
> Do you want me to ship my vacuum radiator filling device to you?  It 
> uses shop air to generate a vacuum, it applies that vacuum to your 
> cooling system.  Then it uses that evacuated cooling system 'suction' 
> to fill the system with your coolant.  It's got a suction tube that 
> drops into your coolant container.  It's also supposed to 'dissolve' 
> air bubbles, etc., in the system.  Then you'd only have the thermostat 
> to worry about.
>
> If you want me to ship it, give me your address, and I'll get it out 
> Thursday afternoon.
>
> This is the Harbor Freight system that we discussed on the list a 
> month or two ago... or was it three months??
>
> The only requirement is you need a shop air compressor.  About a 2 
> horsepower size.
>
> Let me know,
>
> Chris
>
> Chris Difani
> '73 L #5829 "LITNNG"
> The Electric Pantera
> Sacramento, CA
> Email: cdifani at comcast.net
>
> _________________________________________________
>
> ----- Original Message ----- From: <asajay at asajay.com>
> To: <detomaso at realbig.com>
> Sent: Wednesday, September 02, 2009 9:02 AM
> Subject: Re: [DeTomaso] head drilling for air release
>
>
>> I'm still flustered with that whole idea.
>>
>> I have a 351C installed in my Mach I.  I've never had any problems
>> bleeding air from the system, getting it full of coolant, etc.  It
>> doesn't have air bleeds at the back of the heads.  So doing a bit of
>> Kepner-Tregoe analysis on this, what are the similarities and
>> differences.
>>
>> The engine in the Mach I tilts in such a way the front of the engine
>> is slightly higher than the back (I think), but in the Pantera, it's
>> just the opposite.  So in the Pantera, I can see air getting trapped
>> at the back of the head, but if you've managed to bleed the system
>> properly, are they really necessary?
>>
>> Which makes me wonder why I would want to jack up the -back- of the
>> car, when it seems to me I should be jacking up the -front-.  But then
>> there is the radiator up front which could trap air.  In my case, I
>> know the radiator was full, as I had a sight-hose connected to the
>> upper corner to verify it was full.
>>
>> My brain hurts.
>>
>> Asa Jay
>>
>>
>>
>>
>>
>> Quoting Larry Finch <fresnofinches at aol.com>:
>>
>>> Is drilling the heads for air release, as Sean just wrote about,
>>> something that could be done with them installed in a running car, as
>>> opposed to something only done with heads off?
>>>
>>> I imagined drill shavings and thread-tapping shavings could easily be
>>> an issue.  But I intend to replace my radiator this Winter, so having
>>> shavings lodge in this current radiator is not really an issue.  And I
>>> also currently have a Tefba coolant filter in place; its purpose being
>>> to trap any free flowing trash prior to the new radiator install.
>>>
>>> I'm thinking now would be a good time to get those air bleed holes
>>> installed in my engine?
>>>
>>> Larry
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