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Old 01-28-2015, 08:58 AM
thews thews is offline
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Join Date: Feb 2013
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Default A question about date codes
My 69 350 HO block (not original to the car) has a date code of Oct 28 (J028). I have 3 sets of #48 heads and the best pair has a date code of early December (L038), but I do have a set of heads built in October. The car was delivered in late January of 69. Is the date code on the block close enough to be considered "numbers matching"? Would I be better off having the head date codes match the block, or should I use the early December heads?

For those out there with numbers matching cars, what's the time frame for you date codes WRT the build date?

 

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