In a recent Chevy High Performance or Hot Rod magazine (Can' t remember
exactly which magazine I was reading) there was an article in which they
tried various performance enhancing additions one-at-a-time and measured the
results on a dynamometer. I recall that they tested performance ignition,
performance intake manifold etc.. One of the best increases was due to
replacing stock four blade fan with a fan clutch unit. I think it netted 10
horsepower or more!
----- Original Message -----
From: "Bob KNOTTS" <raknotts@qwest.net>
To: "Steve Hanberg" <steve@OldSub.com>; "Alfredo Barrenechea"
<bigfred@unm.edu>; "oletrucks" <oletrucks@autox.team.net>
Sent: Wednesday, April 16, 2003 8:43 PM
Subject: Re: [oletrucks] Fan Clutch.. Do I need one?
> I had one stock on my new 71 IH Travelall. It had a 345 V-8. When the
engine
> got warm, the fluid in the clutch was supposed to lose viscosity (get
> thinner) and the engine didn't turn the fan very fast. When it died I
> replaced it with a Flex-o-lite type fan, where the blades flatter out at
> higher speeds. Both seem to have worked well. I live in PHX, and used to
> pull a 4000 LB. 22 foot travel trailer with the Travelall.
> ----- Original Message -----
> From: "Steve Hanberg" <steve@OldSub.com>
> To: "Alfredo Barrenechea" <bigfred@unm.edu>; "oletrucks"
> <oletrucks@autox.team.net>
> Sent: Wednesday, April 16, 2003 3:21 PM
> Subject: Re: [oletrucks] Fan Clutch.. Do I need one?
>
>
> > I want to say no, because I understand the primary purpose of the fan
> clutch
> > is to reduce engine load when the fan isn't required, but my gut says I
> > don't know enough about your truck to try to answer your question.
> >
> > What's the truck? What's your motor and transmission? Do I guess right
> > from you email address that you're in New Mexico? Climate could be part
> of
> > the answer...
> >
> > I guess my answer is worthless, but I wanted to help!
> >
> > Steve@OldSub.com
> > www.OldSub.com
> >
> > ----- Original Message -----
> > From: "Alfredo Barrenechea" <bigfred@unm.edu>
> > To: "oletrucks" <oletrucks@autox.team.net>
> > Sent: Wednesday, April 16, 2003 2:17 PM
> > Subject: [oletrucks] Fan Clutch.. Do I need one?
> >
> >
> > HI All,
> > I'm trying to figure out if I need a fan clutch or not.
> > Are they necessary? If so, why?
> > Thanks a lot
> > -alfie
> > oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
> > oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
> oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
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