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General Discussion / Re: New (but correct) MC - painted black, bare, or ?
« Last post by 1968RSZ28 on August 31, 2015, 05:46:34 PM »


Paul
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Decoding/Numbers / Re: Intake Date Code
« Last post by SgtHawkUSMC on August 31, 2015, 05:38:44 PM »
Hawk, I am glad you were able to find the original intake. 
Thanks Bryon. I was pretty happy to see it. Now if he could just find that dang M21 of mine ;) I keep looking...
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General Discussion / Re: New (but correct) MC - painted black, bare, or ?
« Last post by SgtHawkUSMC on August 31, 2015, 05:35:40 PM »
I don't doubt they're painted black. The photo stovebolt posted just looked like a rendition to me.
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General Discussion / Re: New (but correct) MC - painted black, bare, or ?
« Last post by Mark on August 31, 2015, 05:04:16 PM »
Haven't any of you seen how fast cast iron rusts it its set out in the environment without some kind of finish on it?  Especially if it gets scratched up (like if you piled a bunch of them into a container for shipping).  Rust forms in about 2 days in a moist environment.  Wouldn't do to have rust showing up on a car fresh off the shippers trailer when it got to the dealers lot.
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Decoding/Numbers / Re: Intake Date Code
« Last post by bcmiller on August 31, 2015, 04:59:31 PM »
Hawk, I am glad you were able to find the original intake. 
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General Discussion / Re: New (but correct) MC - painted black, bare, or ?
« Last post by stovebolt on August 31, 2015, 04:47:50 PM »
Photo.
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Decoding/Numbers / Re: Intake Date Code
« Last post by Mike S on August 31, 2015, 04:32:35 PM »
For my '67 L35's the intake date codes are:
 '67 05B NOR :
Block assembly date: T0308MW
Block cast B 22 7
Intake Manifold - B 14 7

 '67 04B LOS
Block assembly date: T0214MZ
Block cast B 6 7
Intake Manifold - B 13 7 (1 day before the engine assembly date)

  So, it looks like the 67 NOR car's motor intake that was casted one day later than the LOS's motor sat for a couple of weeks before being installed on the motor on March 8 vs. the LOS's motor intake sitting for one day before being used on the motor assembled Feb 14.
   I have often wondered what it looked like at the foundry in regards to storage/placements of made parts to have cast dates of components vary so much.

Mike
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Decoding/Numbers / Re: Intake Date Code
« Last post by SgtHawkUSMC on August 31, 2015, 03:43:39 PM »
I had good news while I went back east at the beginning of the month. My brother showed up at the house with my original intake. It turns out only the carb had gotten stolen back in the eighties, not the intake. So for date confirmation if anyone is reading this, my original intake is E 29 9 or 5/29/69 for my 7/28/69 assembled motor. With a little cleaning up, she'll be good as new so it can sit on the motor in the corner of my garage under a cover lol.









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General Discussion / Re: New (but correct) MC - painted black, bare, or ?
« Last post by SgtHawkUSMC on August 31, 2015, 03:24:22 PM »
This photo, from the Chevrolet Quality Brake Service pamphlet dated July 1968, confirms what was said previously, that the master cylinder was painted black and prior to machining.
Is that a photo or an artist's rendition?
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General Discussion / Re: New (but correct) MC - painted black, bare, or ?
« Last post by stovebolt on August 31, 2015, 02:14:25 PM »
This photo, from the Chevrolet Quality Brake Service pamphlet dated July 1968, confirms what was said previously, that the master cylinder was painted black and prior to machining.
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