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Intake manifold #3890490 date code location ?

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Old 01-08-2008, 05:31 PM
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Toyvet
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Default Intake manifold #3890490 date code location ?

Was wondering if someone could help me locate the date code on the aluminum intake manifold GM # 3890490 that is currently on the 350 engine in my '69. Thanks
Old 01-08-2008, 05:47 PM
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Nowhere Man
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I dont belive they are date coded
Old 01-08-2008, 05:54 PM
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Donny Brass
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the date code is on the bottom, under the oil shield ......

you have to remove the 4 pins that hold it in.
Old 01-08-2008, 06:28 PM
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Toyvet
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Default Thanks for the info..Could I ask...

What applications and years was this intake manifold used for ?
Thanks again
Old 01-08-2008, 06:32 PM
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DZAUTO
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66-67 L-79 engine (350hp/327).
Old 01-08-2008, 09:17 PM
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ricks327
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DZ Auto,
Was it also used on the 65 L-79?
Old 01-08-2008, 09:20 PM
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Sean Dunshee
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Nope...64-65 used the "461" intake
Old 01-08-2008, 10:52 PM
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66-67 ONLY, for Vette, Nova(66), Chevelle.
Old 01-09-2008, 09:37 PM
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Toyvet
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Default Question regarding port shape ?

Wanted to ask if this intake manifold has a square bore or quadrajet shaped bore ?
Thanks
Old 01-09-2008, 11:01 PM
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Donny Brass
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Originally Posted by roccaro
Wanted to ask if this intake manifold has a square bore or quadrajet shaped bore ?
Thanks
it is for a 585 cfm Holley squarebore

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