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Old 01-22-2017, 02:53 PM   #1
Popcorn W
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Engine decode help please (6 cyl)

I'm not sure it's actually a 60-66 but it came out of my 63 C-10
Stamped under distributor:
FO718CJH
Cast behind right motor mount:
348675 (that "6" could be a "8" but I'm pretty sure it's "6")
and behind that:
CON2 G124

I've searched "engine decoder" on this site and looked at threads for about an hour now, but I can't find these numbers anywhere.
Thanks in advance.
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Old 01-22-2017, 03:01 PM   #2
shp4man
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Re: Engine decode help please (6 cyl)

Not that I'm any kind of expert, but from the distributor, coil, lifting bracket, dual belt pulleys, rubber oil cap, color, I'd say that's a later model 250.
Does it have an EGR valve?
Does it run?
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Old 01-22-2017, 03:14 PM   #3
Popcorn W
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Re: Engine decode help please (6 cyl)

"Ran when parked" I haven't tried to start it.
But, it does turn over freely.
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Old 01-22-2017, 03:27 PM   #4
shp4man
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Re: Engine decode help please (6 cyl)

Quote:
Originally Posted by Popcorn W View Post
"Ran when parked" I haven't tried to start it.
But, it does turn over freely.
Yep, EGR valve. Late 70's- '84 model. Cooling system not maintained very well from the look of the water pump openings.
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Old 01-22-2017, 07:07 PM   #5
TJ's Chevy
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Re: Engine decode help please (6 cyl)

That's either a 230 or 250. Fastest way to tell would be to pull a plug and look at the piston. D dish for a 250 and flat top for a 230.
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Old 01-23-2017, 10:03 PM   #6
Popcorn W
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Re: Engine decode help please (6 cyl)

Thanks for the help guys.
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