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Water pump bolts that will work with a March pulley
#2537197
08/16/18 02:56 PM
08/16/18 02:56 PM
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Joined: Jan 2003
Posts: 4,296 Chicago, IL
TonyS451
OP
master
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OP
master
Joined: Jan 2003
Posts: 4,296
Chicago, IL
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Hey guys - I have a March pulley kit for my BB and the bolt heads (that secure the water pump to the pump housing) are too big. The inside rim of the pulley is making contact with the bolt heads. The water pump is 440 source I think, if that matters. I seem to recall there are water pump bolt kits with short heads to solve this problem. Can anyone point me in the right direction on where to buy them? I called March and they thought I was nuts. Thanks in advance!
2 kids and a dog
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Re: Water pump bolts that will work with a March pulley
[Re: TonyS451]
#2537225
08/16/18 03:40 PM
08/16/18 03:40 PM
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Joined: Jan 2003
Posts: 17,888 S.E. Michigan
ZIPPY
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 17,888
S.E. Michigan
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I believe what is needed are button heads. Google '5/16-18 button head bolt' and some images should come up.
Rich H.
Esse Quam Videri
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Re: Water pump bolts that will work with a March pulley
[Re: TonyS451]
#2537232
08/16/18 03:46 PM
08/16/18 03:46 PM
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Joined: Jan 2003
Posts: 4,296 Chicago, IL
TonyS451
OP
master
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OP
master
Joined: Jan 2003
Posts: 4,296
Chicago, IL
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That would definitely work. Thanks Zippy
2 kids and a dog
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Re: Water pump bolts that will work with a March pulley
[Re: Dart451]
#2537595
08/17/18 12:31 PM
08/17/18 12:31 PM
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Joined: Jan 2003
Posts: 4,296 Chicago, IL
TonyS451
OP
master
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OP
master
Joined: Jan 2003
Posts: 4,296
Chicago, IL
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Menards stock stainless button head bolt.
I just changed my 440 source water pump to hv mildon, and helped low rpm cooling. Thanks for the tip!
2 kids and a dog
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Re: Water pump bolts that will work with a March pulley
[Re: TonyS451]
#2537652
08/17/18 02:33 PM
08/17/18 02:33 PM
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Joined: Apr 2007
Posts: 289 Lowes
steve660
enthusiast
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enthusiast
Joined: Apr 2007
Posts: 289
Lowes
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Had same problem with March pulley. I sanded the bolt heads down with a belt sander. Heads ended up being about 1/8th inch tall. Just enough to get 6 point wrench on.
PSO headed 632 from MM. Cracked cylinder, loose valve seats, low oil pressure, low cylinder pressure. ..... Now its a door stop....
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Re: Water pump bolts that will work with a March pulley
[Re: ZIPPY]
#2537675
08/17/18 03:02 PM
08/17/18 03:02 PM
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Joined: Jan 2003
Posts: 25,899 Rio Linda, CA
John_Kunkel
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,899
Rio Linda, CA
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I believe what is needed are button heads. Google '5/16-18 button head bolt' and some images should come up. BB's are 3/8"-16.
The INTERNET, the MISinformation superhighway
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