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Discussion Starter #1
okay i have the casting number of the block- 3970014
supposedly the engine came out of a 73 camaro so i m trying to see what kind of camaro that it came out of or even if it dates to 73

the date code next to the casting - B 16 72

the engine suffix code - T0226CTL

partial vin - 12K586485
 

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Casting Number (3970014) = 1970-73 350 block (2 or 4 bolt main)

Casting Date (B 16 72) February 16th 1972

Application Code (T0226CTL):
T = engine assembly plant; Tonawanda, NY
0226 = assembly date; February 26th (1972 assumed)
CTL = application = L65 350 2-bbl with TH350 auto, 165-hp from a 1972 Chevelle, Camaro or Nova

VIN (12K586485):
1 = GM division; Chevrolet
2 = model year; 1972
K = vehicle assembly plant; Kansas City, MO
586485 = last 6 digits of original car VIN

Since the Kansas City, MO plant never build Camaros and didn't build Nova until the 1974 model year, this can't be a Camaro or Nova engine. In 1972, the Kansas City, MO plant did not build Chevelles either but it did build El Caminos. Since the El Camino is also an A-body, I'm going to say that's probably what it was originally from.

So you have a 165-hp L65 350 2-bbl from a 1972 El Camino with a TH350 trans.
 

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Glad you have the time to decode NR....Thats quit some detailed Explination...Great job...Hence the name......NovaResourse...So is that a 2 bolt or 4 bolt main ??......
 

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Discussion Starter #8
Casting Number (3970014) = 1970-73 350 block (2 or 4 bolt main)

Casting Date (B 16 72) February 16th 1972

Application Code (T0226CTL):
T = engine assembly plant; Tonawanda, NY
0226 = assembly date; February 26th (1972 assumed)
CTL = application = L65 350 2-bbl with TH350 auto, 165-hp from a 1972 Chevelle, Camaro or Nova

VIN (12K586485):
1 = GM division; Chevrolet
2 = model year; 1972
K = vehicle assembly plant; Kansas City, MO
586485 = last 6 digits of original car VIN

Since the Kansas City, MO plant never build Camaros and didn't build Nova until the 1974 model year, this can't be a Camaro or Nova engine. In 1972, the Kansas City, MO plant did not build Chevelles either but it did build El Caminos. Since the El Camino is also an A-body, I'm going to say that's probably what it was originally from.

So you have a 165-hp L65 350 2-bbl from a 1972 El Camino with a TH350 trans.
i beleive you 100% lol but whats your source? im taliking about the how kc didnt make them till 74
 

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Hey andy...There are a few different resourse's out there..I've been on a few back when I was building my 327....Sometime's you just have to dig deeper than have.......You have a great start just by having Numbers...
 

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Discussion Starter #11
Hey andy...There are a few different resourse's out there..I've been on a few back when I was building my 327....Sometime's you just have to dig deeper than have.......You have a great start just by having Numbers...
yeah i know lol thanks for your help though!
 

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...So is that a 2 bolt or 4 bolt main ??......
It could be either. Some were drilled for 4 while others were only drilled for 2. Usually depends on the application. Since this was a lower hp, 2-bbl engine it's probably a 2-bolt.

i beleive you 100% lol but whats your source? im taliking about the how kc didnt make them till 74
I have a few "Chevy Numbers" books. Sometimes there are discrepancies between the books but most of the time the info is identical. I also have a few website I check that corroborate what's listed in the books.
 
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