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Old 08-08-2009, 01:21 PM
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putting camel hump heads on a 400sbc

i have a set of camel hump heads that i wud like to put on my 400 and need to know if there is any certian things i need to do to the heads before they are installed

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Old 08-08-2009, 01:40 PM
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I don't reccommend using 40+ year old heads on a non lead engine but. The early heads will bolt on and if you drill the 400 steam holes in the early heads they will work.
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Old 08-08-2009, 02:14 PM
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Here's the procedure for drilling the steam holes.....
http://www.gregsengine.com/350to400.htm
Also highly recommend a premium quality, high volume water pump such as FlowKooler. Here's the long pump....
http://www.summitracing.com/parts/BRA-1759/?image=large

Last edited by techinspector1; 08-08-2009 at 02:23 PM.
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Old 08-08-2009, 02:38 PM
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OHHHHHHH CHIT MAN!! .... don't build a 400, it'll overheat!!!.... thats "the word on the street"....just ask Torque454........he knows ALL ABOUT THEM!!
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Old 08-08-2009, 03:46 PM
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Oh here we go... ... ...
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Old 08-08-2009, 04:46 PM
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Oh man it's a case of displacement envy....
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Old 08-08-2009, 04:56 PM
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all 400's overheat it makes them run better
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Old 08-09-2009, 04:44 AM
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send them to me , lol.a 400 runs no hotter than any other small block if a proper cooling system is used.
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Old 08-09-2009, 07:18 AM
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Quote:
Originally Posted by 327NUT
OHHHHHHH CHIT MAN!! .... don't build a 400, it'll overheat!!!.... thats "the word on the street"....just ask Torque454........he knows ALL ABOUT THEM!!
thats an ol wives tale that doesnt hold true!
you hear that from people that never built them.
my 406 never gets about 185 on 90 degree days in stop and go traffic.
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Old 08-09-2009, 08:52 AM
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a temp reading can be very misguiding.
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Old 08-09-2009, 08:10 PM
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dawg......my reply was an "attempt" at humor, apparently you didn't read Torque454's ongoing argument with EVERYBODY on how he know's the 400 sbc overheats all the time due to "the word on the street". Believe me I know better.
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Old 08-09-2009, 11:10 PM
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lets not scare the man. 400 sbc's can be cooled and not over heat on the street. here's how. drill steam holes in those heads if you really plan on using them. also while having the heads off time to do some plumbing. on the block between the two center bore there is a plug in the water jacket on each side. remove them, then coming off your water pump from your heater hose port come out with the proper fitting and T it off and run a hose to each side and properly fit in water jacket. this will provide cooler water to the siamese cylinders and keep from over heating.
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Old 08-10-2009, 01:04 PM
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I've ran 400 SBC on street over 20 years and no overheating problems..................
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