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04-17-2019, 10:54 AM
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#1 |
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Registered User
 
Join Date: Feb 2010
Location: rochelle il.
Posts: 355
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Water pump length?
I'm getting ready to order my vintage a/c system. One of the questions they ask is long or short water pump? The engine is a 1984 400 sbc all stock. Any way to tell what water pump I have? Thanks
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04-17-2019, 12:05 PM
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#2 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,731
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Re: Water pump length?
Yup!
Short pump has no room (maybe 1/4 inch) between it and the timing cover. Long pump has room to poke your fingers in there (almost). |
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04-17-2019, 12:07 PM
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#3 |
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Registered User
Join Date: Feb 2010
Location: rochelle il.
Posts: 355
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Re: Water pump length?
Thank you geezer I will go out right now and check. I got pretty pudgy fingers though .
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04-17-2019, 12:12 PM
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#4 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,731
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Re: Water pump length?
I meant normal people! LOL!
You’ll see the difference easily. |
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04-17-2019, 04:04 PM
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#5 |
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Registered User
Join Date: Feb 2010
Location: rochelle il.
Posts: 355
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Re: Water pump length?
Now I gotta be normal? 66 years in the rear view mirror never been too normal. But all kiddin aside I have a short water pump. Thanks again for the quick come back. I will order my Vintage Air and at least be cool.
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04-17-2019, 04:28 PM
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#6 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,731
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Re: Water pump length?
Just to be on the safe side. Post a pic.
Maybe your 66 year old eyeballs are no better than my 68 year old ones. |
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04-17-2019, 04:48 PM
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#7 | |
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Registered User
Join Date: Aug 2016
Location: Lake Forest, CA
Posts: 2,177
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Re: Water pump length?
Quote:
__________________
"Work hard, use your vacation days." 1970 C15 GMC Long Bed 1986 C20 Scottsdale 1983 K2500 Sierra Classic Suburban 6.2 Instagram: C10sofOC |
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04-17-2019, 05:00 PM
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#8 |
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Registered User
Join Date: Feb 2010
Location: rochelle il.
Posts: 355
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Re: Water pump length?
I take terrible pics not much light in the garage where engine sits.See if that helps at all
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04-17-2019, 05:05 PM
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#9 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,731
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Re: Water pump length?
Looks long to me.
You can measure them too. Long is 7 1/4 inches from block to fan mount. Short is about 5 1/2 inches. And your alternator won’t fit on that side with a short pump. |
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04-17-2019, 05:06 PM
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#10 |
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Registered User
Join Date: Mar 2005
Location: Jurupa Valley, Ca
Posts: 1,210
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Re: Water pump length?
this might help:
__________________
Terry 1970 Custom Camper/C20 , GM Crate 350/7004R, Dana 60, factory AC |
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04-17-2019, 05:20 PM
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#11 |
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Registered User
Join Date: Feb 2010
Location: rochelle il.
Posts: 355
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Re: Water pump length?
Thanks for all the info I will go out in the morning and measure. Looks like that comparison pictures of the S.B. water pumps I have that blocked port on the back also. I do believe maybe a long shaft then. I'm going to put the alt. on the driver side where it belongs for my truck. Thanks tdangle for the pic and demian5 for questioning it.Geezer I told you my fingers are pudgy!
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