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02-03-2022, 08:38 AM
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#1 |
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Registered User
Join Date: Apr 2003
Location: NB
Posts: 3,367
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Block stamp?
9v147450
Anybody know how to read this one? 283 or 307 or? 1968 c10 Truck had its heads taken many years ago. The good it sat in a barn. All there. The bad i need a set of heads. And the front window is toast.
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1968 Chevy C10 307 3ott fleetside 1967 Chevy C/10 V8, 3spd, fleetside lwb.Sold 1967 Chev C/10 step, 383, M21. SOLD |
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02-03-2022, 11:31 AM
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#2 |
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Registered User
 
Join Date: Feb 2000
Location: Maquoketa, Ia/ Orr, Mn
Posts: 2,985
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Re: Block stamp?
Any other numbers you can add? Are you sure those are the numbers/letters that are stamped on the front RH side pad of the block? Suffix codes that tell you the engine specifics are made up of letters- typically in the following format after 1956.
T02I4IT First letter is the engine plant Next four digits are the build date The last two or three letters are the suffix code
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'51 South Bend Model "9A" '56 Chevy 3600 NAPCO '74 Chevy Cheyenne Super K20-restored on 37's '72 GMC Sierra Custom K2500- in progress '08 GMC Envoy Denali '12 GMC Sierra 2500HD Denali '17 GMC Yukon XL VCCA member #58596 http://www.nohrco.com |
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02-03-2022, 01:58 PM
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#3 |
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Senior Member
Join Date: Mar 2019
Location: Herculaneum MO (20 minutes south of St. Louis
Posts: 605
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Re: Block stamp?
Well if it has no heads just measure the bore & stroke. No guess work involved.
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67 C10 283 T5 swapped longbed fleetside = wife's daily driver 67 C20 292 (originally a 250)4speed longbed fleetside w/original wooden bed=my project truck 67 C10 283+.060 (so a 292 as well)T5 swapped longbed fleetside=my DD 72 C1500 Sierra Grande 350 TH350 longbed fleetside=wife's fair weather truck Can you tell we are fans of longbed fleetsides & 67s Chris |
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02-03-2022, 05:32 PM
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#4 |
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Senior Member
 Join Date: Aug 2019
Location: Cheraw
Posts: 1,305
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Re: Block stamp?
Take a picture of it.
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02-03-2022, 05:52 PM
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#5 |
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Registered User
Join Date: Apr 2003
Location: NB
Posts: 3,367
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Re: Block stamp?
Be a few months before any wrenching and measuring.
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1968 Chevy C10 307 3ott fleetside 1967 Chevy C/10 V8, 3spd, fleetside lwb.Sold 1967 Chev C/10 step, 383, M21. SOLD |
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02-04-2022, 09:19 AM
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#6 |
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Registered User
Join Date: Mar 2021
Location: New Paltz NY
Posts: 58
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Re: Block stamp?
Here is a link to use for identifying small block chevy's.
https://nastyz28.com/chevy-engine-code-stampings.php |
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02-04-2022, 09:52 AM
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#7 |
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Registered User
Join Date: Apr 2003
Location: NB
Posts: 3,367
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Re: Block stamp?
I spent a good hour on there. No luck
Sept flint .... |
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02-04-2022, 09:55 AM
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#8 |
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Registered User
Join Date: Apr 2003
Location: NB
Posts: 3,367
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Re: Block stamp?
Going to get new cast heads from summit.
It must be a 283 from 67 or 307 from 68. These new heads seem to fit both. Doesnt the 283 and 307 use the same block? |
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02-04-2022, 10:02 AM
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#9 |
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Senior Member
Join Date: Dec 2009
Location: TN.
Posts: 7,934
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Re: Block stamp?
I cannot find the Link that states that Remanufactured Engines are assigned a new number sometimes.
This may be the case with this one. With Numbers like that it is a Possibility that it was rebuild by a business-like Grooms (http://crateenginesupply.com/grooms-crate-engines/) or Jasper (https://www.jasperengines.com/)
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________________________________________________________________________________________ ____________________________________________ 84 Chevy K-20 63 Impala (my high school car) http://67-72chevytrucks.com/vboard/s...Crew Cab Build |
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02-04-2022, 03:00 PM
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#10 |
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Registered User
Join Date: Feb 2000
Location: Maquoketa, Ia/ Orr, Mn
Posts: 2,985
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Re: Block stamp?
Can you see the block casting number on the LH rear by the bellhousing? The Lime Book also has lots of good info in it but nothing that matches those numbers.
http://camaros.org/pdf/LimeBook.pdf
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'51 South Bend Model "9A" '56 Chevy 3600 NAPCO '74 Chevy Cheyenne Super K20-restored on 37's '72 GMC Sierra Custom K2500- in progress '08 GMC Envoy Denali '12 GMC Sierra 2500HD Denali '17 GMC Yukon XL VCCA member #58596 http://www.nohrco.com |
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02-04-2022, 06:08 PM
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#11 |
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Registered User
Join Date: Apr 2003
Location: NB
Posts: 3,367
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Re: Block stamp?
Ya i am stumped.
3 more feet of snow today. Few days ill see what other numbers i can find |
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02-04-2022, 07:20 PM
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#12 | |
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Registered User
Join Date: Jan 2019
Location: Springfield, OH
Posts: 9
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Re: Block stamp?
Quote:
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02-04-2022, 11:29 PM
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#13 |
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Senior Member
Join Date: Jan 2007
Location: Turlock, CA
Posts: 8,540
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Re: Block stamp?
Can’t help with the block question, but I want more pictures of this truck!
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I live in California, but identify as a Texan  "If a job's worth doing, it's worth doing well" Survivor "Lil’ Mint" (67 c10 40k mile light green original paint) Project "C10 Fever" (68 factory black 396 swb) Project "Little Sister" (70 c10 blue original paint refresh) Project "Blue Bomb" (70 c30 blue original paint refresh) SOLD Project "Vitamin C" (71 c10 orange original paint refresh) SOLD |
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