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Re: Gano Filter Modification

To: Steve Laifman <SLaifman@socal.rr.com>
Subject: Re: Gano Filter Modification
From: sosnaenergyconsulting <sosnaenergyconsulting@cox.net>
Date: Tue, 17 Aug 2004 12:32:15 -0700
Thanks, Steve.  I'll make sure to incorporate the 6-month check--it 
sounds like good prevention.

Best Regards

David

Steve Laifman wrote:

> Dave,
>
> I have both the plastic housing and brass housing versions of the Gano 
> filter.  As noted by Bob Melusky, there is a significant design issue 
> with the plastic housing version.  Although this looks, at first 
> glance, like a great way of seeing how crudded up the filter is, by 
> looking thru the plastic wall into the trap, the antifreeze is ugly, 
> green, and impenetrable to the human eyesight. Can't see the trap.
>
> Another "feature" is the cylindrical tube is straight, and the hose 
> clamps are trying to hold the hoses on a smooth tube with no "lips" at 
> the tube ends to prevent the clamped hose from coming off under water 
> pressure.  He therefore, as noted, placed a matched set of flat 
> stainless hose clamp material, as indicated in his post, with bent up 
> ends to prevent the hoses from separating, under the band clamps.
>
> Another solution is to buy the brass bodied unit, which DOES have the 
> lips as an integral part of the outer housing. This prevents the 
> clamp/hose from coming apart. For the "belt & suspenders" group, they 
> can be joined with the flat / end bent hose clamp material from 
> another set of clamps, as well.
>
> Yet another solution is to throw the tubes away altogether, and fit 
> the screen set into the upper hose where it is clamped to the 
> radiator.  Some machining required for hose ID fit.  This requires a 
> stainless wire loop on the filter set to withdraw it from the upper 
> hose for cleaning, where it is embedded.
>
> I have always thought that the filter ring could be thru screw mounted 
> to a brass insert in the radiator inlet, allowing the hose to be 
> pulled off the assembly, and the filter removed for cleaning.  
> Standard diameters may cause a mismatch, however.  Some bright guy 
> ought to figure this one out.
>
> I have been using these filters for 7 years, clean them every 6 months 
> (depending on condition of engine water passages) and removed scale 
> which would stuff the fine tubes on a hi performance radiator.  
> Regardless of the initial installation issue, this filter works well 
> and is easily maintained.  Be careful that the unit is not to close to 
> the back of the fan blades.  I have a half round piece of exhaust tube 
> brazed to a strap that bolts on the block. This stay prevents 
> filter/hoses from getting near blades.
>
> Good Luck,  and it  is worth the effort.
>
> Steve





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