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#1 |
Registered User
Join Date: Apr 2017
Location: Burkville Virginia
Posts: 202
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Need help Identifying this 350.
I have a 350 in my 72 3\4, and I need help decoding numbers on the rear of the block.
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#2 |
Registered User
![]() Join Date: Oct 2011
Location: Victoria, B.C
Posts: 3,794
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Re: Need help Identifying this 350.
0010 usually means a 4 bolt main block.
The information that would be more revealing is actually on the front of the engine block, on a slanted/horizontal casting surface....just below the passenger side heads front surface. There is a surface there that should have a bunch of alphanumerics punched into it. These will tell you if the engine is for the truck and if not, what it came out...year, etc. Coley
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....for some men, there is experience, skill and effort....for the others...there is visa and UPS LOL 1966 Chevy 1/2 ton (Florida- Red/white) 1972 Chevy 1/2 ton (California- Blue/white) 2005 Chevy Silverado HD2500/Duramax 2000 Dodge Ram 1500 |
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#3 |
Registered User
Join Date: Apr 2017
Location: Burkville Virginia
Posts: 202
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Re: Need help Identifying this 350.
Hidden by the alternator?
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#4 |
Moderator
![]() Join Date: Jun 2017
Location: Cherryville, NC
Posts: 2,178
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3970010 casting number identifies as a 350...one of millions...no way to tell if it is 4 bolt main or 2 bolt main unless you pull the pan,,,
Seeing its in a 3/4 ton truck, it has a better chance of being 4 bolt main... if you can read the vin or engine numbers on the block, passenger side front surface next to head mounting face and post those numbers, you will get a better idea of what you have... Hope this helps... ![]() |
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#5 |
Registered User
Join Date: Apr 2017
Location: Burkville Virginia
Posts: 202
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Re: Need help Identifying this 350.
Just began pulling the tank, Ill look when Im done.
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#6 |
Registered User
Join Date: Apr 2015
Location: East Tn (In the heart of the Smoky Mtns)
Posts: 1,867
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Re: Need help Identifying this 350.
The 0010 IDs it as a 350, 2 or 4 bolt main. Like has been said, truck block, most likely 4bolt. The other numbers tell when it was made, right down to the day a shift that made it. You can research it online.
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#7 |
70+ ( Old Skool Club )
![]() Join Date: Nov 2003
Location: Saskatoon, Saskatchewan ,Canada
Posts: 9,108
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Re: Need help Identifying this 350.
Yoiur engine number should be something like this
V0215TDJ THis is the engine number form my 1972 C10 with a 350 V.. Built Flint Michigan 02.. February 15..Day in February engine cast/built, not sure which TDJ..1972 350 175HP 4BBl You'll probably have to scrape lot of goop off to read the engine number.
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1972 C10 Custom/Deluxe 613 Highlander 406/700R4 1999 White Tahoe LS 4x2 with Z56 Police Package 1992 K1500 GMC Suburban Members I have personally met: MusicMan70 - HeavyD - ChewyChevy67 - StingRay -71SWB4x4 - 67 Burb - DeadheadNM - too much stuff - bc65 - das601 " Circumsatances Do Not Change Responsibility " " The Sky is not the Limit, Your Mind is." Marilyn Monroe .. RIP Charlie Watts 1941 - 2021 |
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#8 | ||
"I ain't nobody, dork."
Join Date: Sep 2007
Location: Whidbey Island, Washington
Posts: 8,930
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Re: Need help Identifying this 350.
3970010 is the most common 4" bore block GM ever made. That number does nothing to tell if it is a 2 or 4 bolt. However, pretty much ALL trucks with 350's have 4 bolt mains.
The stamped number off the front machined surface just below the passenger side head will determine where and when it was built and what it's intended use was. ![]() Gary
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'cuz chicks dig scars... My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread. The Rebuild of Creeping Death after the wreck Quote:
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#9 |
Registered User
Join Date: Apr 2017
Location: Burkville Virginia
Posts: 202
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Re: Need help Identifying this 350.
I could only make out the a few digits K04 couldn't read the next then 12, and nothing else was remotely readable.
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#10 |
Registered User
Join Date: Apr 2017
Location: Burkville Virginia
Posts: 202
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Re: Need help Identifying this 350.
Alright heroes those numbers. 12y13b405 and K04 10 CKB.
Ive been doing some research of my own, according to Nastyz28.com I have a 1972 L65 165hp built in St, Catherine's Ontario, and it would of been in small gm cars. What do yall think? |
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#11 |
Registered User
Join Date: Oct 2009
Location: Tampa Bay
Posts: 1,549
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Re: Need help Identifying this 350.
I see you got this pretty much figured out. Just thought I'd fill in the spaces.
12Y13b405 1 = Chevrolet 2 = 1972 Y = Wilmington assembly plant (Delaware) (passenger cars) 13b405 = 138405 = unique serial number K0410CKB K = St. Catherines, Ontario (McKinnon Industries Canada, engine plant) 04 = April 10 = 10th day (engine assembly date, April 10th) CKB = 350ci, 165hp, 2bbl, TH350 trans, RPO code L65, (Chevelle or Impala) In 1972 Chevelles had a starting number of 500001 at all Assembly plants. In 1972 Impalas had a starting number of 100001 at all Assembly plants. So your engine is from a Impala.
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CHEVY/GMC VIN DECODERS Last edited by bruceman1968; 06-27-2017 at 04:56 PM. |
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#12 |
Registered User
Join Date: Apr 2017
Location: Burkville Virginia
Posts: 202
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Re: Need help Identifying this 350.
Thank you sir. Now I know that its not an original, it won't hurt me to pull it and change it. And yeah, this decoding things not so bad, if the websites have correct information
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#13 |
Registered User
Join Date: Sep 2011
Location: Ark City, Kansas
Posts: 3,324
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Re: Need help Identifying this 350.
Very desirable block. Mains are full cast, no "thin" engineering like mid 76 and later crap.
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#14 |
Registered User
Join Date: Apr 2017
Location: Burkville Virginia
Posts: 202
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Re: Need help Identifying this 350.
Will probably pull it eventually, once I can afford to get something with a little more hp and a little more torgue. I wonder what someone restoring an Impala will pay for the block, Ill have to see if heads match
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