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eliminating coolant expansion tank(why do we need it?)
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Yes, but the jetta radiators also have the caps with a pressure-relief valve, which I think would do the job. Also, this will be with a mildy modified 8v. thanks-
Rob
Neal Tovsen <nealtovsen@yahoo.com> wrote:The only disad is a fair bit of reduced cooling
capacity. The resovoir gives the coolant a place to
expand as it heats up. Without the resovoir, you need
to leave some air in the system, which will compress
to give the coolant room to expand.
That air should stay in the radiator, but if that air
pocket somehow manages to move out of the radiator and
into the block or head, you'll end up with hot-spots.
Some types of cars quickly develop MAJOR damage if
there's any air in the coolant system. Early VW's
don't seem to care.
Personally, I wouldn't do it if you're running
anything much higher than a moderately-modified 8v
engine. I would definitely NEVER do it on any
forced-induction engine. They need all the cooling
capacity they can get from the radiator, even if they
don't get air into the engine passages.
YMMV!
Neal
--- Josh20V wrote:
> ohh!!
>
> Im gonna follow this thread, sounds very interesting
> if possible.
>
>
> Josh Able
> www.JsHouseOfEuro.com
> Secure online checkout
> "S" airdams available
> 87 Scirocco 1.8t 20v
> 83 Caddy
> 82 Caddy
> ----- Original Message -----
> From: Robbie Cotner
> To: scirocco-l@scirocco.org
> Sent: Friday, March 21, 2003 4:46 PM
> Subject: eliminating coolant expansion tank(why do
> we need it?)
>
>
> Hey all, I'm on a mission to clean up my engine
> compartement. I was thinking of all the different
> places I could move the expansion tank, but now I'm
> thinking of maybe just getting an early Jetta type
> radiator(with the cap on the radiator) and
> eliminating the expansion tank altogether. What
> would the disadvantages of this be? Would it work
> to just pop in the jetta rad, and block off the big
> lower expansion tank hose? Thanks-
>
> Rob
>
>
>
>
>
>
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<P>Yes, but the jetta radiators also have the caps with a pressure-relief valve, which I think would do the job. Also, this will be with a mildy modified 8v. thanks-
<P>Rob
<P> <B><I>Neal Tovsen <nealtovsen@yahoo.com></I></B> wrote:
<BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">The only disad is a fair bit of reduced cooling<BR>capacity. The resovoir gives the coolant a place to<BR>expand as it heats up. Without the resovoir, you need<BR>to leave some air in the system, which will compress<BR>to give the coolant room to expand.<BR><BR>That air should stay in the radiator, but if that air<BR>pocket somehow manages to move out of the radiator and<BR>into the block or head, you'll end up with hot-spots.<BR>Some types of cars quickly develop MAJOR damage if<BR>there's any air in the coolant system. Early VW's<BR>don't seem to care.<BR><BR>Personally, I wouldn't do it if you're running<BR>anything much higher than a moderately-modified 8v<BR>engine. I would definitely NEVER do it on any<BR>forced-induction engine. They need all the cooling<BR>capacity they can get from the radiator, even if they<BR>don't get air into the engine passages.<BR><BR>YMMV!<BR><BR>Neal<BR><BR>--- Josh20V <MKII@NYCAP.RR.COM>wrote:<BR>> ohh!!<BR>> <BR>> Im gonna follow this thread, sounds very interesting<BR>> if possible.<BR>> <BR>> <BR>> Josh Able<BR>> www.JsHouseOfEuro.com<BR>> Secure online checkout<BR>> "S" airdams available<BR>> 87 Scirocco 1.8t 20v<BR>> 83 Caddy <BR>> 82 Caddy<BR>> ----- Original Message ----- <BR>> From: Robbie Cotner <BR>> To: scirocco-l@scirocco.org <BR>> Sent: Friday, March 21, 2003 4:46 PM<BR>> Subject: eliminating coolant expansion tank(why do<BR>> we need it?)<BR>> <BR>> <BR>> Hey all, I'm on a mission to clean up my engine<BR>> compartement. I was thinking of all the different<BR>> places I could move the expansion tank, but now I'm<BR>> thinking of maybe just getting an early Jetta type<BR>> radiator(with the cap on the radiator) and<BR>> eliminating the expansion tank altogether. What<BR>> would the disadvantages of this be? Would it work<BR>> to just pop in the jetta rad, and block off the big<BR>> lower expansion tank hose? Thanks-<BR>> <BR>> Rob<BR>> <BR>> <BR>> <BR>> <BR>> <BR>><BR>------------------------------------------------------------------------------<BR>> Do you Yahoo!?<BR>> Yahoo! Platinum - Watch CBS' NCAA March Madness,<BR>> live on your desktop!<BR><BR><BR>__________________________________________________<BR>Do you Yahoo!?<BR>Yahoo! Platinum - Watch CBS' NCAA March Madness, live on your desktop!<BR>http://platinum.yahoo.com</BLOCKQUOTE><p><br><hr size=1>Do you Yahoo!?<br>
<a href="http://rd.yahoo.com/platinum/evt=8162/*http://platinum.yahoo.com/splash.html";>Yahoo! Platinum</a> - Watch CBS' NCAA March Madness, <a href="http://rd.yahoo.com/platinum/evt=8162/*http://platinum.yahoo.com/splash.html";>live on your desktop</a>!
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