Re: IML: water pump pulley diameter?
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Re: IML: water pump pulley diameter?



Dave & Dave:
 
The grind it down idea will work (and I already came up with that "dumb idea"), if I need to go that route.  I just want to confirm that a 6 & 1/2" diameter is correct.  Smaller diameter would turn the water pump faster.  With AC, I want to be sure of the measurements.
 
Other Dave - it is a single pulley, with an idler/tensioner pulley off on the passenger's side.
 
Dan Richardson
300L Family Heirloom
 
 
-------------- Original message --------------
From: "Dave Wilker" <wilkerbeast01@xxxxxxxxxxx>
Dan
 
One idea (probably a dumb one) is to take your pretty new pulley to a machine shop and ask them to shave it down a bit for clearance. It may make a difference if your pulleys are not perfectly aligned (It might be easier to jump off) but like I said, it is an option. I have seen a few engines that have very little clearance between the pulleys, way less than the thickness of the belt, for instance.
 
 

David C. Wilker Jr.
USAF (RET)
 
 
----- Original Message -----
From: therichardsonfamily@xxxxxxxxxxx
To: IML
Sent: Wednesday, December 13, 2006 9:28 AM
Subject: IML: water pump pulley diameter?

Hello everyone:
 
What is the exact outer diameter of the water pump pulley for a '67 Imperial, 440cid, with AC, single belt?
 
I spent $80 (too much!) for a new aluminum one (way too pretty!), that barely doesn't fit.  Parts man said it was 6 & 1/2" diameter - it actually measures 6 & 11/16".  I think 6 & 1/2" would fit with a clearance on the crank pulley of 1/16"
 
Do those measurements make sense?  Is there really only 1/16" clearance between the crank pulley & the water pump pulley?  Is 6 & 1/2" the correct diameter for the water pump pulley on this engine?
 
Thanks in advamce for any insight offered.
 
Dan Richardson
300L Family Heirloom


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