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Need help with Casting number

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Old 07-23-2012, 08:12 PM
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Default Need help with Casting number
Just picked up my new short block its a 6.0L iron block and trying to find out if its pre2004 or not but cant find anything on what year it came out. Need to know to find out which head bolts to buy the casting number is 12576184
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Old 07-23-2012, 08:34 PM
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Pull the head bolts out. If its the long/short style it is 04+ if you have 3 lengths you have a pre 04 block
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Old 07-23-2012, 08:36 PM
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Disregard the previous comment. I just.re read it and you said shortblock.
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Old 07-23-2012, 08:39 PM
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yeah but thanx tho
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Old 07-23-2012, 08:44 PM
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Buy a pair of long head bolts and thread it in all the holes and see if you have different depthS I think that would be easiest
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Old 07-23-2012, 08:44 PM
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cant you just take a clothes hanger and probe the holes...


holy hell that sounds bad
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Old 07-23-2012, 09:51 PM
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that's what I'm planning on doing. thanx for the suggestions
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Old 07-23-2012, 10:22 PM
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Or a depth mic would be the best way
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