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Old 11-11-2018, 07:02 PM   #1
Dongray
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292 head id

I just purchased a 292 head that was made in Mexico but it appears different than othe heads I have had. It has bolts going into the head diagonally from the top on the intake side. Anyone have an idea as to why they are there or if this a correct head? It's the orange painted head by the way.


Thanks in advance!
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Old 11-11-2018, 07:06 PM   #2
1968k20
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Re: 292 head id

Get the casting number off of the head and search the net
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Old 11-11-2018, 07:07 PM   #3
1968k20
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Re: 292 head id

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Originally Posted by 1968k20 View Post
Get the casting number off of the head and search the net
Those are plugs to plug smog holes.
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1968 C30 Chevrolet Dumpbed 350 4spd
1973 K10 Chevrolet Scottsdale LB 350,400,NP205
1975 C20 Chevrolet Cheyenne LB (parts truck)
1978 K10 GMC SWB 400/400
2000 K10 GMC LWB Z71 5.3l Auto
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Old 11-12-2018, 12:10 AM   #4
Captainfab
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Re: 292 head id

This......plugs to block off the AIR injection ports. The casting date will tell you what year the head is.

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Those are plugs to plug smog holes.
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Old 11-12-2018, 12:43 PM   #5
suville
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Re: 292 head id

I also have a Mexican 292 complete engine and so far have not found any info concerning casting numbers, Im purty sure there is info on these but still searching
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Old 11-12-2018, 03:12 PM   #6
geezer#99
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Re: 292 head id

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Originally Posted by suville View Post
I also have a Mexican 292 complete engine and so far have not found any info concerning casting numbers, Im purty sure there is info on these but still searching
Have you seen this.

http://67-72chevytrucks.com/vboard/s...d.php?t=356268
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Old 11-17-2018, 01:48 AM   #7
'68OrangeSunshine
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Re: 292 head id

You can also try:
www.inliners.org/casting/numbers.html
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Every 25 years I like to rebuild that 292, whether it needs it or not.
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