Big Block Water Pump - Team Camaro Tech
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post #1 of 3 (permalink) Old Oct 31st, 09, 03:34 PM Thread Starter
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Phil
 
Join Date: Jul 2005
Location: South Carolina
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Big Block Water Pump

Is there a difference in the water pump flange bolt pattern from a 1968 big block water pump to a 1969 big block water pump? I have a GM clutch fan that I took off a 69 big block and a guy is wanting to buy it to go a 1968 427 in his Camaro. I know his 68 has the short style water pump. I don't want to sell him something that will not fit. Any help would be appreciated.
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post #2 of 3 (permalink) Old Oct 31st, 09, 04:55 PM
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Tom
 
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Smile Re: Big Block Water Pump

The clutch fan for the 67/68 short water pump is different then the 1969 long water pump. I am not sure what the actual difference is.

69 Camaro -originally a LM1 car. 327, Edelbrock E-streets, hooker, DUI performance distributors, ultradyne cam, stewart, TRW etc. Vintage Air, AGR steering, Corbeau GTSII seats, 700R4 transmission, 12-bolt w/Eaton 4.11:1
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post #3 of 3 (permalink) Old Nov 1st, 09, 11:15 AM Thread Starter
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Phil
 
Join Date: Jul 2005
Location: South Carolina
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Re: Big Block Water Pump

I managed to answer my own question this time
I found an original 1968 396 water pump in my junk building and measured the water pump flange bolt pattern and it is 1.175" vs the 1969 is 2.125".
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