Absolutely NOT my experience with the TR4 and the Stag. Each worked just fine
with an electric pusher and the stock mechanical fan.
The Stag has a thermostatic pusher. Seamless operation.
The TR4 had a pusher with a 30-amp switch under the dash. I only needed it
when the car was stuck in traffic or "cruising" with the street-rod crowd. In
those situations, it quickly brought the temp down.
Phil Ethier West Side Saint Paul Minnesota USA
1973 Triumph Stag LE22439UBW "uncle jack", Sapphire Blue
2004 Suburban 8.1, Sport Red, the only automatic of the bunch
2005 Lotus Elise, Bordeaux Red Pearl
2007 Saturn Ion 3 2.4, Berry Red
pethier@comcast.net
http://www.flickr.com/photos/pethier
http://www.flickr.com/groups/triumphtransamerica
http://www.mnautox.com
http://www.mntriumphs.org
----- Original Message -----
> From: "Randall" <TR3driver@ca.rr.com>
> To: triumphs@autox.team.net
> Sent: Friday, March 29, 2013 10:35:32 AM
> Subject: Re: [TR] Installing a electric radiator fan in a TR4A
> > I was just wondering if there is a preference as to mounting
> > the fan as a pusher or puller?
>
> My preference is as a puller. The fan really only covers the cooling
> requirements near idle, it doesn't move nearly enough air to cool the
> engine
> at higher power. Having the fan in front of the radiator seems to
> interfere
> to some extent with natural air flow at higher speeds. For example,
> when
> the original fan on my Stag failed, I tried a temporary electric as a
> pusher, which made the engine more prone to overheat at freeway speeds
> (with
> or without the fan running).
>
> I run a 12" Hayden as a puller on my TR3 and it works very well. I
> made my
> own fan eliminator from a cast iron pipe cap, but several vendors sell
> them
> ready made.
>
> Randall
>
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