Extreme duty timing set water pump gear?
07-28-2005, 09:03 PM
#1
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Join Date: Sep 2002
Location: Hollywood, FL
Posts: 372
Extreme duty timing set water pump gear?
Ok so I am putting together my new motor and I just drove a brand new water pump drive shaft and gear assembly into the block. Then I open my ED timing set and find a water pump gear in it 
The gear is the same size with the same teeth as the stock gear, but it does have less holes in it. Any way question is how do you get that thing on there? It doesn't fit over the front of the shaft. Do I really need to install it? Or is it just meant as a replacement for an old part?
The gear is the same size with the same teeth as the stock gear, but it does have less holes in it. Any way question is how do you get that thing on there? It doesn't fit over the front of the shaft. Do I really need to install it? Or is it just meant as a replacement for an old part?
07-28-2005, 10:58 PM
#3
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Join Date: Jan 2004
Location: Downey, CA
Posts: 1,406
Re: Extreme duty timing set water pump gear?
Although I have not confirmed this, when I did lots of searches during
my cam install I found that you must replace the WP gear. The info I
found was that the metal and hardness of the ED timing set is matched
and a better spec than the stock so you need to change that gear.
When I did mine I used a really big hammer. I set up on the garage floor
and used a large socket that the gear sat on and would allow me to give
the shaft a good whack. I put a piece of oak under it so I did not have the
socket sitting on concrete. I put on my heaviest leather gloves and put on
the safety glasses. I also put a small piece of oak on the tip of the shaft.
Then with my mini sledge I gave the shaft a mighty whack. This moved
the gear just a bit which allowed me to push off the gear with my arbor
press. The new gear went on just fine with the arbor press.
The key to the above process is to not apply any undue stress the the
bearing. If you are careful this is easily doable.
my cam install I found that you must replace the WP gear. The info I
found was that the metal and hardness of the ED timing set is matched
and a better spec than the stock so you need to change that gear.
When I did mine I used a really big hammer. I set up on the garage floor
and used a large socket that the gear sat on and would allow me to give
the shaft a good whack. I put a piece of oak under it so I did not have the
socket sitting on concrete. I put on my heaviest leather gloves and put on
the safety glasses. I also put a small piece of oak on the tip of the shaft.
Then with my mini sledge I gave the shaft a mighty whack. This moved
the gear just a bit which allowed me to push off the gear with my arbor
press. The new gear went on just fine with the arbor press.
The key to the above process is to not apply any undue stress the the
bearing. If you are careful this is easily doable.
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