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Canadian Poncho Homepage -> Canadian Poncho -> Beaumont Power Train Tech Forum -> 327 blocks
Post Info TOPIC: 327 blocks
Steve C


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327 blocks
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I may be able to obtain a 3959512 327 for a very reasonable price. It is an early 327built around 63. I have been collecting 1966 L79 parts for quite a while but have not picked up an engine core yet. The 64-67 327 has a different casting # Does anyone know what the difference if any there is between these 327's 

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timbuk


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62 to 67 are small journal 68-69 are big journal small journal blocks start with a 38 # big ones start with a 39#.Im thinkin the moter you are looking at is a 68-9 moter.Not 100% sure but at least 95 hope that helps-oh yea older ones have oil filter casing,later have spin ons

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kelico


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not sure.. mine is a 1964-67 3858180 casting for 250 and 300 HP ratings.

this site has some ID info.. if that helps.

http://www.nastyz28.com/sbchevy/sblock.php

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invader wagon


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Apparently the L/79 blocks had a higher nickel content than standard 327's.

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chris newport
timbuk


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nice thing about the older 327s is the steel crank,i dont know if they all were but the ones i have gotem...

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427carl


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I'm running a 64 corvette RD code 327-300 with 350 HP cam an original heads..  Its a rocket

-- Edited by 427carl on Thursday 24th of December 2009 03:18:53 PM

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Steve C


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According to the casting # it is a 62-63 250hp 327 so this would be the small journal engine. I have not looked at it yet but the guy says he has it stripped down to a long block assy so at least I can inspect and measure the bores etc. I just want to make sure there isn't something different about the block from the later castings (64-67) that is going to be a factor in my engine build.

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4SPEED427


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The split in style is between 66 and 67 I think. Both are small journal. If you look at the front of the bare block where the intake seals you will see right away what I mean. I only learned this a couple of years ago. I will see if I can find pics for you.

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