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1969 Hemi Water Pump Pulley Identification #2371699
09/16/17 01:54 PM
09/16/17 01:54 PM
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Davtona Offline OP
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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?

Re: 1969 Hemi Water Pump Pulley Identification [Re: Davtona] #2372144
09/17/17 12:15 PM
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Last edited by 6PakBee; 09/27/17 02:22 PM.

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Re: 1969 Hemi Water Pump Pulley Identification [Re: Davtona] #2372245
09/17/17 03:22 PM
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1969 changed the pullies on this engine, not the same as 68 and older.

Re: 1969 Hemi Water Pump Pulley Identification [Re: NANKET] #2372291
09/17/17 05:42 PM
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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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Re: 1969 Hemi Water Pump Pulley Identification [Re: 6PakBee] #2372764
09/18/17 03:28 PM
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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.

Re: 1969 Hemi Water Pump Pulley Identification [Re: Davtona] #2372806
09/18/17 04:27 PM
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Perhaps this list was generated from the parts books but it agrees with them.

http://www.440source.com/pulleyswaterpump.htm


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Re: 1969 Hemi Water Pump Pulley Identification [Re: Davtona] #2373872
09/20/17 01:02 PM
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They are a lot smaller than a 440 pulley.
I'll try and measure one up for you...and take a pic

Re: 1969 Hemi Water Pump Pulley Identification [Re: Davtona] #2374129
09/20/17 09:04 PM
09/20/17 09:04 PM
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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...

100_5445.JPG
Re: 1969 Hemi Water Pump Pulley Identification [Re: Maxwellwedge] #2376300
09/25/17 10:58 AM
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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

IMG_20170923_1113347.jpgIMG_20170923_1113493.jpgIMG_20170923_1113585.jpg
Re: 1969 Hemi Water Pump Pulley Identification [Re: Maxwellwedge] #2377999
09/27/17 10:50 PM
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Davtona Offline OP
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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!!!

Re: 1969 Hemi Water Pump Pulley Identification [Re: Davtona] #2378176
09/28/17 10:50 AM
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Happy to do it.
Good luck on your search for a correct one!

Re: 1969 Hemi Water Pump Pulley Identification [Re: Maxwellwedge] #2378700
09/29/17 10:11 AM
09/29/17 10:11 AM
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max, was the crank pulley smaller than the wedge , or around the standard 7 1/4" size ?
beer

Re: 1969 Hemi Water Pump Pulley Identification [Re: Davtona] #2378757
09/29/17 12:05 PM
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It's definitely different - I'll see if I can snap a pic over the weekend

Re: 1969 Hemi Water Pump Pulley Identification [Re: Maxwellwedge] #2380458
10/02/17 10:43 AM
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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....

IMG_20170930_1416495-S.jpgIMG_20170930_1416354-S.jpg
Re: 1969 Hemi Water Pump Pulley Identification [Re: Maxwellwedge] #2381696
10/04/17 11:59 AM
10/04/17 11:59 AM
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thanks max ! up
beer

Re: 1969 Hemi Water Pump Pulley Identification [Re: Davtona] #2382663
10/05/17 09:07 PM
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Crank pully is also shorter, H Balancer is thicker

Re: 1969 Hemi Water Pump Pulley Identification [Re: Davtona] #2382832
10/06/17 03:08 AM
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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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