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Author Topic: 186 cylinder heads  (Read 1755 times)
wisemanz28
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« on: March 13, 2011, 03:41:27 PM »

I'm looking at a set of 3927186 heads on ebay, the casting dates are H 14 9, my engine pad reads H 25 9. Would these dates be okay for my engine or are they too close?
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crobjones2
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« Reply #1 on: March 13, 2011, 06:39:57 PM »

Based upon what I have seen, they would line up for your motor build time frame
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Chris
69 SS 350
wisemanz28
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« Reply #2 on: March 13, 2011, 08:53:52 PM »

Thanks
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wisemanz28
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« Reply #3 on: March 15, 2011, 07:11:56 PM »

After rechecking those heads the dates are H 15 and H 18, I'm hoping these dates are okay for my August 25 th motor. What is the rule of thumb for date coded engine parts ( such as heads)? How close can you get to the engine pad date? Any help is appreciated , thanks.
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68Zproject
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« Reply #4 on: March 15, 2011, 08:47:53 PM »

Do you know the cast date on the block?  That's what I would go by.  If the heads cast dates are somewhat close to the block cast date I think you would be alright.  On other posts, I think JohnZ said there was an example or two of blocks being cast one day and assembled the next day?
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68Z28
crobjones2
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« Reply #5 on: March 15, 2011, 09:43:16 PM »

My block was cast on may 22nd and assembled on the 25th, I believe the norm is to be within a week of casting
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Chris
69 SS 350
tmodel66
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« Reply #6 on: March 15, 2011, 09:59:18 PM »

My block was cast on the 23rd and assembled on the 26th so that's about the same as yours and my heads are 9 and 11 days off the block cast.
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Daniel  
'69 SS 350/4 speed  Fathom Green--POP
wisemanz28
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« Reply #7 on: March 18, 2011, 09:59:51 PM »

Just checked my block, it has a casting date of August 22nd of 69.
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