erm, should this hole be here?! - Hot Rod Forum : Hotrodders Bulletin Board
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Old 04-12-2006, 09:05 PM
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erm, should this hole be here?!

midway through putting my engine (SBC) back together and picked up the waterpump to have it cleaned and painted and came across this hole?!

hmmm...

is it a problem? I didnt have any leaks before it came apart but I have never seen such a hole before?

confused

Paul
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Old 04-12-2006, 09:29 PM
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sbc hole

I have. I don;t remember if sbc. Go to the parts store and compare to others, do you have a fan clutch Is it a big deal- try it or replace it now. I don't remember if you stated what the car is going to be used for. The only idea I can come up with is they didn't want fluid staying between the two bearings. One bearing goes out you get a warning before the fan goes through the radiator- just a thought' I still don't remember where I have seen it , but I have and used it. good luck mark
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Old 04-12-2006, 09:43 PM
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There is supposed to be a 1/8" vent hole there. Yours looks like either something rubbed it severly, or someone intentionally ground the nose of the water pump down. Personally, on a new engine, i'd replace it even if it weren't leaking. Its cheap insurance.
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Old 04-12-2006, 10:49 PM
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water pump # 2

After blow up- It looks a hammer and chisel hole. Casting looks bent also, the picture looses definition with much blow up. Not a drainor vent hole. Replace it if possible. mark
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Old 04-13-2006, 08:46 AM
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thanks guys, a replacement is called for me thinks.
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