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WATER PUMP PULLY SPACING???????? #953621
03/19/11 11:35 AM
03/19/11 11:35 AM
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Great Neck,LI,new york
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Need to move the groove Closer to the water pump.Right now there seems to be a little over an inch between the back of the pulley and the head of the water pump bolts.Are there available choices in "backspace" for w/p pulleys????

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Re: WATER PUMP PULLY SPACING???????? [Re: hemi-itis] #953622
03/19/11 11:55 AM
03/19/11 11:55 AM
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Lincoln Nebraska
RapidRobert Offline
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Quote:

Are there available choices in "backspace" for w/p pulleys????


yes there's several diff depths of pulleys but 1st eyeball things & see if pressing the "cross" rearward will take care of it (w no interference anywhere after pressing it) & if so support the rear of the shaft as you move the cross further down in your shop press & for reference note your crank/wp pulley ratio as overdriven cools better esp if you add the anti cav plate (easy/cheap/works well) EDIT I'm assuming the crank and alt are in line just need the WP to line up w them

Last edited by RapidRobert; 03/19/11 12:03 PM.

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Re: WATER PUMP PULLY SPACING???????? [Re: hemi-itis] #953623
03/19/11 11:58 AM
03/19/11 11:58 AM
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You aren't going to find pulleys in increments from a company , you have a few pulley choices , B/RB , 69 up hemi , B/RB A/C and small block. The B/RB sits real close to the pump. i assume spacing the bottom pulley out is not an option ?

Post up a picture of the pulley it self , do you know the pulley application.

Re: WATER PUMP PULLY SPACING???????? [Re: JohnRR] #953624
03/19/11 12:41 PM
03/19/11 12:41 PM
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Grand Prairie,Texas
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From the angle of the belt it looks like it should go on the foward part of the pulley. Is that an optical illusion or not?

Re: WATER PUMP PULLY SPACING???????? [Re: stumpy] #953625
03/19/11 03:26 PM
03/19/11 03:26 PM
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ahy Offline
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Bouchillon stocks all the standard pulleys made in various backspacing. They can help you find the closest possible to what you need.

Re: WATER PUMP PULLY SPACING???????? [Re: stumpy] #953626
03/19/11 03:38 PM
03/19/11 03:38 PM
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Kirkland, Washington
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Quote:

From the angle of the belt it looks like it should go on the foward part of the pulley. Is that an optical illusion or not?




What forward part? Pretty sure that is a V-belt

Re: WATER PUMP PULLY SPACING???????? [Re: RapidRobert] #953627
03/19/11 08:47 PM
03/19/11 08:47 PM
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Great Neck,LI,new york
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Quote:

Quote:

Are there available choices in "backspace" for w/p pulleys????


yes there's several diff depths of pulleys but 1st eyeball things & see if pressing the "cross" rearward will take care of it (w no interference anywhere after pressing it) & if so support the rear of the shaft as you move the cross further down in your shop press & for reference note your crank/wp pulley ratio as overdriven cools better esp if you add the anti cav plate (easy/cheap/works well) EDIT I'm assuming the crank and alt are in line just need the WP to line up w them




I did not know the "cross" is just pressed on the shaft

6538785-GARAGE009.jpg (82 downloads)

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Re: WATER PUMP PULLY SPACING???????? [Re: JohnRR] #953628
03/19/11 08:55 PM
03/19/11 08:55 PM
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Great Neck,LI,new york
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Quote:

You aren't going to find pulleys in increments from a company , you have a few pulley choices , B/RB , 69 up hemi , B/RB A/C and small block. The B/RB sits real close to the pump. i assume spacing the bottom pulley out is not an option ?

Post up a picture of the pulley it self , do you know the pulley application.




You jarred my old memory,went through a few part bins and look what I found ,,,but it seems to be a larger diameter pulley and might be touching the crank pulley.The back of THIS pulley almost touches the 4 waterpump to housing bolts.

6538798-GARAGE013.jpg (102 downloads)

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Re: WATER PUMP PULLY SPACING???????? [Re: hemi-itis] #953629
03/19/11 11:30 PM
03/19/11 11:30 PM
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Lincoln Nebraska
RapidRobert Offline
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Does the pulley in the last pic (that's nearly touching the bolts) line up w the alt and the crank? If so only need a smaller dia wp pulley OR a smaller dia crank pulley (of the same depth). One of the two is made in a smaller dia (OE)as there's alot of em out there. If the pulley in the pic b 4 that has a dia that will work yes you can easily press the cross in further just mockup/eyeball ahead of time & see if the inside of the pulley bell will clear if you do press the cross down as far as it needs to b. A smaller WP one will cool better and a larger crank one will also and (the bigger crank one) will spin the alt faster (always needed ) and w the depths lined up the prob is as you're seeing, the interference between the two if one or both is too large. Best is large crank/small wp pulleys


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Re: WATER PUMP PULLY SPACING???????? [Re: RapidRobert] #953630
03/20/11 12:13 AM
03/20/11 12:13 AM
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Great Neck,LI,new york
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The object of this project is to reduce the amount of spacer required on the crank hub.The new blower hub & timing ring purchased is 1.5 inches,the hub that came off is 3 inches.That would be a total of 3 inches of spacer needed to align the crank drive/blower pulley.I not diggin' that much,puts too much stress on the crank snout.Soooooo,I have the w/p pulley as far back as possible and can reduce the spacer on crank,just need to get a shorter blower snout.Might still return this hub & ring.

6539145-GARAGE003.jpg (91 downloads)

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Re: WATER PUMP PULLY SPACING???????? [Re: hemi-itis] #953631
03/20/11 02:16 AM
03/20/11 02:16 AM
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JohnRR Offline
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Quote:

Quote:

Quote:

Are there available choices in "backspace" for w/p pulleys????


yes there's several diff depths of pulleys but 1st eyeball things & see if pressing the "cross" rearward will take care of it (w no interference anywhere after pressing it) & if so support the rear of the shaft as you move the cross further down in your shop press & for reference note your crank/wp pulley ratio as overdriven cools better esp if you add the anti cav plate (easy/cheap/works well) EDIT I'm assuming the crank and alt are in line just need the WP to line up w them




I did not know the "cross" is just pressed on the shaft




The one in the first picture is not the standard B RB pulley , looks somewhat like a smallblock pulley ... or the 69 - 71 hemi ??? ... , could be an old , from your cars era , pulley though . Your second picture is the newer std B/RB pulley, everything from 66 up , 66-68 hemi , used that second pulley.

Re: WATER PUMP PULLY SPACING???????? [Re: JohnRR] #953632
03/20/11 12:39 PM
03/20/11 12:39 PM
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Great Neck,LI,new york
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After I found my selection of pulleys,there were a few that went up against the w/p bolts.So the close pully must be as you said John.Well at least I have the proper depth in the event I need to obtain another pulley.
Thank you guys for the replies!!

6539841-GARAGE014.jpg (40 downloads)

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Re: WATER PUMP PULLY SPACING???????? [Re: hemi-itis] #953633
03/20/11 12:47 PM
03/20/11 12:47 PM
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Eastern,NC
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Have you thought about machining the engine side of the water pump? I know guys that have run mounting plates on the front of their engines and corrected alignment by machining the water pump.

Re: WATER PUMP PULLY SPACING???????? [Re: 68GTS383] #953634
03/26/11 10:05 PM
03/26/11 10:05 PM
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Great Neck,LI,new york
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First,let me thank RapidRobert for being generous enough to offer me a smaller diameter pulley,But I received an angry phone call from my very dear friend Stephen or as FULLMETELJACKET calls him "Special K" Anyway,Steve wanted to know why I didn't just call him in the 1st place he has the pulley I need and will bring it to the LONG ISLAND MOPARS get together tomorrow at Hot Rod Burger King in Bethpage.I will keep ya'll posted w/pic's of course


LI MOPARS http://mysite.verizon.net/vzes9hbq/longislandmopars/index.html

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Last edited by hemi-itis; 03/26/11 10:14 PM.

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Re: WATER PUMP PULLY SPACING???????? [Re: 68GTS383] #953635
03/26/11 10:11 PM
03/26/11 10:11 PM
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Great Neck,LI,new york
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Quote:

Have you thought about machining the engine side of the water pump? I know guys that have run mounting plates on the front of their engines and corrected alignment by machining the water pump.




Yes Ashley.There is .150 to .175 to be found with a quick shave.I will wait untill I obtain a shorter blower snout and ATI crank damper before the milling if need be.Thanks for that suggestion


Now should I just clean the aluminum waterpump,,,,,or should I stick it in the beadblaster cabinet to spruce it up.I need to do the alternator too


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My condition is fully BLOWN!!
Re: WATER PUMP PULLY SPACING???????? [Re: hemi-itis] #953636
03/27/11 03:55 AM
03/27/11 03:55 AM
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Bend,OR USA
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Eagle Cast alumiinum wheel cleaner really cleans cast aluminum, follow the directions for the best results. Some parts need two or three cleanings to get them looking like new


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: WATER PUMP PULLY SPACING???????? [Re: 68GTS383] #953637
03/27/11 08:46 AM
03/27/11 08:46 AM
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Niles , Ohio
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oh wait.but hey.lets see.oh yeah.
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If you want more clearance to the wp bolts get some button head allens for it.That what March uses with the underdrive pulley sets.Rocky


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Re: WATER PUMP PULLY SPACING???????? [Re: therocks] #953638
03/27/11 10:04 AM
03/27/11 10:04 AM
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Great Neck,LI,new york
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Few more great suggestions


HEMI-ITIS has no cure.
My condition is fully BLOWN!!
Re: WATER PUMP PULLY SPACING???????? [Re: hemi-itis] #953639
03/27/11 10:23 AM
03/27/11 10:23 AM
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Lincoln Nebraska
RapidRobert Offline
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Quote:

Now should I just clean the aluminum waterpump,,,,,or should I stick it in the beadblaster cabinet to spruce it up.I need to do the alternator too


You dont want beads inside the housing as they'll lodge in crevices & cant b blown out w air & then release when it gets hot & lodge in rad tubes. Cover the housing openings ten ways from sunday & bolt on the pump & cover the pump seal area under the cross. If the alt halves are totally stripped w no place for beads to hide it'd work good. Glassbeading has it's place but on the outside not inside


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Re: WATER PUMP PULLY SPACING???????? [Re: RapidRobert] #953640
03/27/11 11:00 AM
03/27/11 11:00 AM
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Great Neck,LI,new york
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I hear ya on that Rob,I was gunna try cleaning it with some aluminum cleaner with a pulley in place to protect the front seal.OH,also,the "star" on my pump is rather thick and has no room to be moved down
If I blast it,the pulley will be on and ANY openings would be stuffed & covered with the best duct tape.


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