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Author Topic: Strange Block Casting Number  (Read 859 times)
chilipepper13
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« on: July 22, 2012, 09:24:59 AM »

Hi there

Finally assembled all the numbers of my engine today while taking pictures of everything. Something about the engine block casting got me puzzled. My car is a very early 1969 SS/RS 350 (engine build date on the pad stamp indicates Sept 25) and it has the block casting number 3927185 GM 5 T. According to an article on CRG a 1969 350ci block should start with 393 though  Huh

Any help would be greatly appreciated! Thanks,


Ed
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Eddy C.

1969 SS/RS 350 Convertible
Ed Bertrand
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« Reply #1 on: July 22, 2012, 09:33:05 AM »

3927184 isn't the block casting number. That's the intake manifold casting number.

Ed
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Ed Bertrand
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Boston14
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« Reply #2 on: July 22, 2012, 09:33:44 AM »

The picture you show is the casting number of the Tonawanda cast intake manifold, which is correct for Tonawanda built 350 4 barrel engines.  The block casting number is on the block surface between the bellhousing and intake manifold (behind your coil and distributor).
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boston14

1969 RS/SS 350 Convertible
Dover White with Black Top and D90 stripe, Red Standard Interior
Gramps69Z
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« Reply #3 on: July 22, 2012, 10:39:44 AM »

Here it is.........http://www.camaros.org/drivetrain.shtml#BlockCast
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Captain John Wykoff
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I'm sick and tired of mismanagement and disappointment. 
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chilipepper13
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« Reply #4 on: July 22, 2012, 10:55:35 AM »

Duh... Embarrassed

Thanks for clarification!
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Eddy C.

1969 SS/RS 350 Convertible
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