[DeTomaso] Front mounted A/C
John Donahue
demongusta at me.com
Fri Jun 6 21:20:43 EDT 2014
Mike:
I just went to the "UView" home page>product>cooling that you recommended. There I found "Airlift" products for cooling systems that appear to do what Chris's unit does. Just curious which Airlift product you would recommend.
Jack
4348
On Jun 5, 2014, at 8:35 PM, Mike Drew <MikeLDrew at aol.com> wrote:
> It was on May 22nd. Here it is again...
>
> Mike
>
> --------
>
> Hi guys,
> Years ago Chris Difani was kind enough to let me borrow his
> vacuum-powered cooling system filling tool, and was even kinder to let
> me keep it here more or less indefinitely, since I'm always working on
> either my car or somebody else's.
> My car has been in the air for months undergoing the world's slowest
> brake system upgrade, part of which required draining the cooling
> system. The brakes are all plumbed now so today I chose to reinstall
> the hose I had to remove, and fill it up.
> With my Iphone lying handy I decided to show how this tool works. It's
> brilliant!
> [1]https://www.youtube.com/watch?v=nPG2B_qlwqQ
> Unfortunately, this particular model is no longer available from Harbor
> Freight Tools where he got it. A different company offers several
> competing designs however.
> [2]http://www.uview.com/index.cfm?DSP=ProductList&pagepath=Products/Coo
> ling&id=45700
> This tool is one of the best investments I ever would have made, had I
> actually made it! Having a friend like Chris who just lets me keep it
> is even better!
> Mike
> Sent from my iPhone
>
> On Jun 5, 2014, at 20:09, "Stephen Nelson" <[3]steve at snclocks.com>
> wrote:
>
> I don't remember seeing a reference to your vacuum method. Searched
> youtube
> but didn't spot it. Can you provide a link?
> Stephen Nelson
> -----Original Message-----
> From: DeTomaso [[4]mailto:detomaso-bounces at poca.com] On Behalf Of
> [5]MikeLDrew at aol.com
> Sent: Thursday, June 05, 2014 8:01 PM
> To: [6]demongusta at me.com; [7]adin at frontier.net
> Cc: [8]detomaso at poca.com
> Subject: Re: [DeTomaso] Front mounted A/C
> In a message dated 6/5/14 15 34 8, [9]demongusta at me.com writes:
>
> Can someone define "overheating"?
>
> Other than the obvious - seizing the motor
>
> Well, there is an optimal temperature range for an engine. Ford
> says
>
> it's 192 degrees, but just to be on the safe side I try to run mine
> around
> 180 degrees.
> Water boils at 212F at sea level with no pressure. But the boiling
> point
> goes down as the elevation goes up due to lower pressure. A radiator
> cap
> adds positive pressure (13-16 lbs is optimal) which raises the boiling
> point,
> so that water will stay in liquid solution up to about 260F.
> Once you pass the boiling point, very bad things happen. The water
> turns
> to steam, the engine cools unevenly, heat is unable to escape, pressure
> skyrockets as water turns to steam (a water droplet expands to 2500
> times
> its
> size when turned to steam), the radiator cap vents and dumps water on
> the
> ground, the heads can warp, head gaskets blow, water sprays everywhere,
> your
> day
> is done and your engine is cooked.
> Note that modern cars are designed to run at hotter temps and it's
> apparently quite common to see 230-240 degrees. I don't own anything
> modern so
> I'll stick with 180-200 thank you!
> There is absolutely no reason for a Pantera to overheat. Most
> Panteras
> that I've seen that were running hot, were doing so not because of any
> fault
> with the system, but rather due to poor maintenance--the owner had not
> properly bled the air out of the cooling system. Air is a terrible
> thing
> to have
> in your cooling system and will lead to all sorts of problems.
> While it is possible to get perhaps 95% of the air out using
> conventional
> bleeding techniques, a vacuum-based bleeder such as the one I
> demonstrated
> on
> Youtube a couple of weeks ago gets you close to 100% effective and is
> much
> mo' bettah.
> Mike
>
> References
>
> 1. https://www.youtube.com/watch?v=nPG2B_qlwqQ
> 2. http://www.uview.com/index.cfm?DSP=ProductList&pagepath=Products/Cooling&id=45700
> 3. mailto:steve at snclocks.com
> 4. mailto:detomaso-bounces at poca.com
> 5. mailto:MikeLDrew at aol.com
> 6. mailto:demongusta at me.com
> 7. mailto:adin at frontier.net
> 8. mailto:detomaso at poca.com
> 9. mailto:demongusta at me.com
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