[Fot] Fan Belt

[Tony Drews]

I ended up with a slightly narrower belt that sits deeper in the 
grooves.  My pulley alignment isn't the greatest in the world, but it 
stays put (knock on wood).  Got the belt at the local farm equipment 
place (farm and fleet).

- Tony

At 07:47 AM 10/4/2007, Allen Washatko wrote:
>FoT,
>
>At the September Road America event, I began to throw fan belts off my
>TR6. I had no problems with the fan belt at the previous race event.
>Nothing was changed on the engine. I run aluminum pulley's on the
>crank, water pump and alternator (4.5" pulley on a Denso). All pulley's
>are for a 3/8" belt. We could not see any run out of the belt with the
>engine running at high idle. We checked the plane of the pulley's and
>made a minor adjustment with shimming the alternator bracket. The water
>pump had a very small amount of play in it but it seemed insignificant.
>When i got home, I measured the NAPA belt width and found that it was
>13/32" wide - 1/32" wider than 3/8". I went back to NAPA but couldn't
>find an exact 3/8" width in their inventory. Could this be the issue?
>When installed, the belt sat above the top of the pulley by a hair. Is
>this enough for it to walk up and out at high RPM? Why did it just
>start to do this? Is the wiggle in the water pump a new occurrence
>causing the problem? The water pump is fairly new. Where are others
>buying their fan belts and are they 3/8"?
>
>Allen
>
>
>
>Jody & Allen Washatko
>N65 W5567 Columbia Road
>Cedarburg, WI. 53012
>USA
>
>tel. (262) 375-6888
>_______________________________________________
>http://www.team.net/donate.html
>
>tony at tonydrews.com
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