Re: Exploded Spider Fan

[Tony Martie <tony@domain.elided>]

Original message:
On Thursday, December 19, 2002, at 11:53 PM, alfa-digest wrote:

> Date: Thu, 19 Dec 2002 15:52:32 -0700
> From: "Jason Arrington" <JARRINGTON@domain.elided>
> Subject: Re: Exploded Spider Fan
>
> Date: Thu, 19 Dec 2002 16:51:46 -0500
> From: John Gallagher <gallagher41@domain.elided>
> Subject: Exploded Spider Fan
>
> > No, not me, the engine fan.  Finally suffered the dreded fan
> > failure at about 3,000rpm in east nowhere.  Fortunately no other
> > damage.  Can someone recommend an electric fan conversion?
> > The victim is an '85 Graduate.  Thanks.
> I looked into this when my fan blew, but I found that the later
> Spiders
> with A/C are difficult to convert, since the condenser is mounted
> right
> where you would normally mount the electric fan in a push
> configuration.
> A pull configuration (on the engine side of the radiator) was going to
> be impossible without swapping out the water pump for a '90+ model.
> Since my A/C works and I prefer to keep it, I finally just bought a
> new
> plastic fan.
>
> If you do trash the condenser, there's a nice tech article on
> AlfaCentro
> with the procedure for installing a "push" electric fan.
> http://www.alfacentro.com/features/fan/
>
> Good Luck!
>
> Jason Arrington
> '87 Spider Quad
 I happen to be in the process of installing an electric fan on the 
back side of my 78 Spider's radiator and was also about to come to the 
conclusion that it would not clear the water pump pulley.  It will!  
Barely.
 I bought the Perma-Cool 12" fan (part #19122).  It has to be mounted 
all the way to the left bottom corner of the radiator.  Since the water 
pump pulley is a little off center to the right it creates just enough 
offset between the two protruding nipples at the centers of each 
conflicting item.
I also had to do away with the foam mounting pads between the fan and 
radiator.
There is not much room there, maybe about 5mm.
 Since I have not yet secured it down I am wondering if anyone thinks 
leaving the pads out on the backside will lead to problems down the 
road?  It seems like there will still be enough tension on the zip-tie 
like mounting strips with the foam pads installed on the front side to 
prevent the fan from moving around and rubbing on the radiator core.
Also, with good motor mounts, is it likely that the engine will move 
fore and aft enough to contact the fan?  Like maybe under hard braking? 
Again it is something less than a centimeter of clearance between the 
water pump pulley and the electric fan.  Too tight?
Anyone?


Tony Martie
78 Spider
http://tmpd.net
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