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Old 07-29-2005, 11:54 AM   #1
ar0ck
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Head Design Pattern

I couldnt locate the casting numbers on the heads of the motor Im buying.

What I do know is the motor is 100% original pulled in the 80's Casting # : 330817 - 2-Bolt 400 72-80

My hand drawing of the head patern if your looking at it:


I also want to know what kind of Intakes these are:
340261 GM4
&
8872788 GH1
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Old 07-29-2005, 12:00 PM   #2
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Old 07-29-2005, 12:09 PM   #3
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Old 07-29-2005, 12:12 PM   #4
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The first intake number looks like its from an L82.

Years Â* Â*Casting CID bbls Material Â*Carb Â* Â* Â* Â* Â* Application
1974-76 340261 350 4 Â* Â* Â* Â*iron Â* Â* Q-jet Â* Â* Â*A B F X/160,185,195,245,250HP

It looks like its the intake from a 4 bbl 350 from 74-76, originally with a q-jet carb.

the 2nd number...google gives me nothing.
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Old 07-29-2005, 12:22 PM   #5
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Re: Head Design Pattern

Quote:
Originally Posted by TransAm4Life
I couldnt locate the casting numbers on the heads of the motor Im buying.
Did you pull the valve cover? Â*The casting numbers are located in there, next to the rockers and what not. There is prolly a proper name for that area, but I dunno what it is.

Also....wtf were you trying to show us with the picture you drew?

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Old 07-29-2005, 12:33 PM   #6
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Re: Head Design Pattern

Quote:
Originally Posted by Tru2Chevy
Also....wtf were you trying to show us with the picture you drew?
- Justin
Theirs a way of Identifying the type of head, by the design patern on the front & back sides. I used to have a large picture of all the different types that would help you identify which ones they are, but I lost it.

For example, on my old 350 motor, the type of heads were known as "Captains Bars" for the 2 indentation marks on the front of the head casting, and after researching a bit I found out they were crap.
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Old 07-29-2005, 01:31 PM   #7
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Old 07-29-2005, 02:03 PM   #8
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Old 07-29-2005, 04:21 PM   #9
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