Re: IML: IMLTOO MUCH PRESSURE

["Henry Blair Jr." <henryblairjr@xxxxxxxxx>]

Since the water will be flowing through the system, not static against
a closed system, the pressure of water out of a spigot will not be
high enough to have any effect on the head gasket.

Henry

On 2/20/07, sosmi@xxxxxxxxxxx <sosmi@xxxxxxxxxxx> wrote:
> Not so fast, the cooling system water passages in the head gaskets are not
> designed for 130 psi. On some of our Hi-performance boats, we had head
> gasket failure , on the water passages when we saw 30-40psi (85-100mph) in
> the cooling system. the cylinders did not fail.Ya'll have a nice day, Dave.
>
> -------------- Original message --------------
> From: "K. Eric Wolfe" <kewolfe@xxxxxxxxx>
>
>
> Head gaskets should not be any problem as the manual calls for compression
> to run between 130 and 165 pounds (from the cylinder outward).
>
>
>
> -----Original Message-----
> From: mailing-list-owner@xxxxxxxxxxxxxxxx
> [mailto:mailing-list-owner@xxxxxxxxxxxxxxxx] On Behalf Of
> Frederick Joslin
> Sent: Tuesday, February 20, 2007 4:05 PM
> To: mailing-list@xxxxxxxxxxxxxxxx
> Subject: Re: IML: colling system pressure?
>
>
>
>
> Just an idea. Can you bypass the radiator with a piece of hose of some
> description?
>
>
> Also if you are worried about the pressure, try hooking up a compressor with
> the pressure regulated to less than 20 psi.
>
>
> ----- Original Message -----
> From: therichardsonfamily@xxxxxxxxxxx
> To: mailing-list@xxxxxxxxxxxxxxxx
> Subject: IML: colling system pressure?
> Date: Tue, 20 Feb 2007 20:35:23 +0000
>
>
> Here's a question for Dave, but others may have some insight as well.
>
> My '67, 440 cid (Imperial engine) has newly
> replaced freeze plugs, and a lot of casting
> sand and junk in the cooling system. Prior to
> doing a closed system flushing with "Cascade",
> I want to get most of the garbage out using a
> garden hose on the lower radiator hose, thereby
> avoiding the redone radiator.
>
> We all know 15-18 psi is what a radiator cap
> opens at. However, my garden hose may be as
> high as 25 to 30+ psi. Can the head gaskets,
> etc. and inside of the engine take that kind of
> pressure? Does anyone know what pressure
> exists inside the block? O r would I be wiser
> (with this old , tired engine) to just throw an
> old radiator on and do a closed system flush?
> Any other drawbacks to my open system flush?
>
> Thanks for any input.
>
> Dan Richardson
> 300L Family Heirloom
>
>
> ----------------- http://www.imperialclub.com -----------------
> This message was sent to you by the Imperial Mailing List. Please
> reply to mailing-list@xxxxxxxxxxxxxxxx and your response will be
> shared with everyone. Private messages (and attachments) for the
> Administrators should be sent to webmaster@xxxxxxxxxxxxxxxx
> To UN-SUBSCRIBE, go to
> http://imperialclub.com/unsubscribe.htm
>
>
>  Fred Joslin


--
Henry K. Blair, Jr.
4365 Butternut Way
Roswell, GA   30075-5225
(678) 248-4903, (770) 998-4897, Cell (770) 827-7392
henryblairjr@xxxxxxxxxxxxx
henryblairjr@xxxxxxxxx


-----------------  http://www.imperialclub.com  -----------------
This message was sent to you by the Imperial Mailing List. Please 
reply to mailing-list@xxxxxxxxxxxxxxxx and your response will be 
shared with everyone. Private messages (and attachments) for the
Administrators should be sent to webmaster@xxxxxxxxxxxxxxxx
To UN-SUBSCRIBE, go to http://imperialclub.com/unsubscribe.htm