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Author Topic: Need some help decoding.  (Read 4814 times)

3underpar

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Need some help decoding.
« on: April 17, 2016, 06:58:25 PM »
V8 350
Cast # 3970014
Block date code - H173
Engine ID code - T0912CMR
14B427264
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bcmiller

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Re: Need some help decoding.
« Reply #1 on: April 17, 2016, 07:28:59 PM »
Appears to be from a 1974 Chevelle. 2 barrel carb, used with auto trans. 145 hp.
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Bryon / 1968 Camaro SS 396 coupe - now old school 468 big block
1967 Camaro RS/SS 396 coupe L35/M40 - 4 generation family project
Looking for 68 Camaro with body # NOR 181016

3underpar

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Re: Need some help decoding.
« Reply #2 on: April 17, 2016, 07:59:19 PM »
That's what I came up with also but from the casting number I found 70-73  350 (200 - 300 hp)
The block date code would be Aug 17, 1973.
The Engine ID code is Sept 09 1974.
Does anyone know if the new model year started in September?
Do all these numbers look correct?
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3underpar

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Re: Need some help decoding.
« Reply #3 on: April 17, 2016, 08:01:29 PM »
Sorry.  Sept 12, 1974 model year.
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1968RSZ28

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Re: Need some help decoding.
« Reply #4 on: April 17, 2016, 08:03:50 PM »
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bcmiller

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Re: Need some help decoding.
« Reply #5 on: April 17, 2016, 08:22:06 PM »
1974 model year started August/September 1973.
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Bryon / 1968 Camaro SS 396 coupe - now old school 468 big block
1967 Camaro RS/SS 396 coupe L35/M40 - 4 generation family project
Looking for 68 Camaro with body # NOR 181016
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