[DeTomaso] head drilling for air release

Chris Difani cdifani at comcast.net
Thu Sep 3 06:24:44 EDT 2009


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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