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63 327 block code

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Old Apr 13, 2010 | 07:30 PM
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tach drive 61's Avatar
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Default 63 327 block code

any info on these #s CE4N on a 3959512 casting , I know it is a 327 and shows 250 HP I think the ce were warranty blocks
.would gm have shipped a replacment block without a cam shaft and timing chain installed ? years ago ??? any ideas please thanks ! what was the difference in the build between a 300 HP and 250 hp , heads ? cam ? would the pistons and crank have been different , some old school questions !!!
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Old Apr 13, 2010 | 08:28 PM
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Originally Posted by tach drive 61
any info on these #s CE4N on a 3959512 casting , I know it is a 327 and shows 250 HP I think the ce were warranty blocks
.would gm have shipped a replacment block without a cam shaft and timing chain installed ? years ago ??? any ideas please thanks ! what was the difference in the build between a 300 HP and 250 hp , heads ? cam ? would the pistons and crank have been different , some old school questions !!!
Someone just had a write up on the diff on the 250 and 300 hp motors. Look at doing a search on here.
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Old Apr 13, 2010 | 08:39 PM
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I asked about my 300hp 512 engine awhile ago. Since that time I've had it rebuilt and it is a big journal engine. The info I received from the guys here can be found at the link below.
http://forums.corvetteforum.com/c1-a...rect-date.html Dave

Last edited by dkleather; Apr 13, 2010 at 08:54 PM.
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Old Apr 13, 2010 | 08:52 PM
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from mortec....

618....327...68-69...2
3956618....350.....69....2 or 4
3956632....307.....69....2
3959512....327...62-67...2...Was also used for some "CE" replacement blocks
3959532....283...64......2...Used for some "CE" replacement blocks
3959538....327...........2...Chevy II recessed oil filter boss, Used for some Chevy II "CE" replacement blocks
3970
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