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#2371699 - 09/16/17 11:54 AM 1969 Hemi Water Pump Pulley Identification
Davtona Offline
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Registered: 09/26/11
Posts: 78
Loc: Iowa

What are the dimensions of a 1969 Hemi water pump pulley? Would be part number 2946716. Same pulley from 69 thru 71 I believe. No part number stamped on the one I'm looking at. Is there a way to positively identify one. Has this been discussed before?

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#2372144 - 09/17/17 10:15 AM Re: 1969 Hemi Water Pump Pulley Identification [Re: Davtona]
6PakBee Offline
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Registered: 01/20/03
Posts: 5471
Loc: North Dakota




Edited by 6PakBee (09/27/17 12:22 PM)
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#2372245 - 09/17/17 01:22 PM Re: 1969 Hemi Water Pump Pulley Identification [Re: Davtona]
NANKET Offline
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Registered: 12/13/03
Posts: 3645
Loc: northwest USA
1969 changed the pullies on this engine, not the same as 68 and older.

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#2372291 - 09/17/17 03:42 PM Re: 1969 Hemi Water Pump Pulley Identification [Re: NANKET]
6PakBee Offline
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Registered: 01/20/03
Posts: 5471
Loc: North Dakota
Originally Posted By NANKET
1969 changed the pullies on this engine, not the same as 68 and older.


My 1967 parts book lists 1821452 for the Hemi engine fan pulley (same as B and RB) My 1968 parts book lists 2946716 as the Hemi fan pulley. My 1969 parts book also lists 2946716 as the Hemi fan pulley. shruggy

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#2372764 - 09/18/17 01:28 PM Re: 1969 Hemi Water Pump Pulley Identification [Re: 6PakBee]
Davtona Offline
member

Registered: 09/26/11
Posts: 78
Loc: Iowa
Originally Posted By 6PakBee
Originally Posted By NANKET
1969 changed the pullies on this engine, not the same as 68 and older.


My 1967 parts book lists 1821452 for the Hemi engine fan pulley (same as B and RB) My 1968 parts book lists 2946716 as the Hemi fan pulley. My 1969 parts book also lists 2946716 as the Hemi fan pulley. shruggy



I have no explanation as to why the 68 book calls out the 2946716 pulley. My understanding was 69 and up on that pulley. But no matter I'm just looking for dimensions on the 2946716 pulley or how to identify one.

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#2372806 - 09/18/17 02:27 PM Re: 1969 Hemi Water Pump Pulley Identification [Re: Davtona]
6PakBee Offline
master

Registered: 01/20/03
Posts: 5471
Loc: North Dakota
Perhaps this list was generated from the parts books but it agrees with them.

http://www.440source.com/pulleyswaterpump.htm
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#2373872 - 09/20/17 11:02 AM Re: 1969 Hemi Water Pump Pulley Identification [Re: Davtona]
Maxwellwedge Offline
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Registered: 11/13/15
Posts: 55
Loc: Canada
They are a lot smaller than a 440 pulley.
I'll try and measure one up for you...and take a pic

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#2374129 - 09/20/17 07:04 PM Re: 1969 Hemi Water Pump Pulley Identification [Re: Davtona]
xs29j8 Offline


Registered: 01/19/03
Posts: 3565
Loc: Fort Worth, Texas
Originally Posted By Davtona

What are the dimensions of a 1969 Hemi water pump pulley? Would be part number 2946716. Same pulley from 69 thru 71 I believe. No part number stamped on the one I'm looking at. Is there a way to positively identify one. Has this been discussed before?



How good are you at scaling photos Dave? I had three NOS sets of pulleys, but they are all sold now...


Attachments
100_5445.JPG


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#2376300 - 09/25/17 08:58 AM Re: 1969 Hemi Water Pump Pulley Identification [Re: Maxwellwedge]
Maxwellwedge Offline
member

Registered: 11/13/15
Posts: 55
Loc: Canada
Originally Posted By Maxwellwedge
They are a lot smaller than a 440 pulley.
I'll try and measure one up for you...and take a pic


Here you go.....5-1/2" diameter x 2-1/8" high


Attachments
IMG_20170923_1113347.jpg

IMG_20170923_1113493.jpg

IMG_20170923_1113585.jpg



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#2377999 - 09/27/17 08:50 PM Re: 1969 Hemi Water Pump Pulley Identification [Re: Maxwellwedge]
Davtona Offline
member

Registered: 09/26/11
Posts: 78
Loc: Iowa
Originally Posted By Maxwellwedge
Originally Posted By Maxwellwedge
They are a lot smaller than a 440 pulley.
I'll try and measure one up for you...and take a pic


Here you go.....5-1/2" diameter x 2-1/8" high


Thanks Jim for taking the time to measure and post pics of the pulley. Saved me buying what I now believe to be an incorrect pulley. Oh well the search goes on. Part of the fun I guess.

Much Appreciated!!!

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#2378176 - 09/28/17 08:50 AM Re: 1969 Hemi Water Pump Pulley Identification [Re: Davtona]
Maxwellwedge Offline
member

Registered: 11/13/15
Posts: 55
Loc: Canada
Happy to do it.
Good luck on your search for a correct one!

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#2378700 - 09/29/17 08:11 AM Re: 1969 Hemi Water Pump Pulley Identification [Re: Maxwellwedge]
moparx Offline
master

Registered: 09/03/03
Posts: 7824
Loc: north of coder
max, was the crank pulley smaller than the wedge , or around the standard 7 1/4" size ?
beer

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#2378757 - 09/29/17 10:05 AM Re: 1969 Hemi Water Pump Pulley Identification [Re: Davtona]
Maxwellwedge Offline
member

Registered: 11/13/15
Posts: 55
Loc: Canada
It's definitely different - I'll see if I can snap a pic over the weekend

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#2380458 - 10/02/17 08:43 AM Re: 1969 Hemi Water Pump Pulley Identification [Re: Maxwellwedge]
Maxwellwedge Offline
member

Registered: 11/13/15
Posts: 55
Loc: Canada
Originally Posted By Maxwellwedge
It's definitely different - I'll see if I can snap a pic over the weekend


Here is a pic from my 70 engine....


Attachments
IMG_20170930_1416495-S.jpg

IMG_20170930_1416354-S.jpg



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#2381696 - 10/04/17 09:59 AM Re: 1969 Hemi Water Pump Pulley Identification [Re: Maxwellwedge]
moparx Offline
master

Registered: 09/03/03
Posts: 7824
Loc: north of coder
thanks max ! up
beer

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#2382663 - 10/05/17 07:07 PM Re: 1969 Hemi Water Pump Pulley Identification [Re: Davtona]
cudaman1969 Offline
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Registered: 01/25/04
Posts: 3574
Loc: fredericksburg,va
Crank pully is also shorter, H Balancer is thicker

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#2382832 - 10/06/17 01:08 AM Re: 1969 Hemi Water Pump Pulley Identification [Re: Davtona]
kentj340 Offline
pro stock

Registered: 03/04/11
Posts: 1241
Loc: Houston
There is info about this in the '69 factory service manual for Hemi:

"Ratio (Fan to Crankshaft) 1.20:1"

If the water pump pulley and the fan are turning together, then the diameter of the original water pump pulley is 1.20 times the original crankshaft pulley.
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