please tell me these heads any good - Team Camaro Tech
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post #1 of 6 (permalink) Old Jan 24th, 05, 03:47 PM Thread Starter
Join Date: Oct 2004
Posts: 32

the casting # on the head is 3927188 then next to that it says b188 then GM 31

The block number off of the back is 3956618

I was told the engine is a 350 with 2.02/1.6 heads in my 67 camaro any info especially on the size and HP of the engine at stock condition and at its present condition with a 750 edelbrock carb, Mystery cam (best guess is its the cam from the performer package) performer 2.0 intake, k&n filter, 1 3/4 headers with a full mandrell bent 2.5 inch system through Delta 40 mufflers.
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post #2 of 6 (permalink) Old Jan 24th, 05, 05:37 PM
Join Date: Jan 2005
Location: Manitoba Canada
Posts: 4

Small Block Chevy head casting numbers

casting# chamber vol.intake valve exhaust valve
188 75cc 1.72 1.50


3956618.... 302.....69....4...Z-28 Camaro
3956618.... 327...68-69...2
3956618.... 350.....69....2 or 4

Hope this helps you out,,Taken from tech manual.

Your heads could have been machined with 202's and 1.6 valves

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post #3 of 6 (permalink) Old Jan 24th, 05, 08:25 PM
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Post the numbers from the pad in front of the Pass head. The suffix code on the end of that number will tell you what the original application of the engine was.

1929 Model A coupe. (Stock)
69 Nova 355, M-21 (Sold)
68 Chevelle SS 396 M-20 (Sold)
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post #4 of 6 (permalink) Old Jan 25th, 05, 01:37 PM Thread Starter
Join Date: Oct 2004
Posts: 32

the numbers on the passanger side head are a b***h to find! ive already tried once or twice, but i have to go in today and take another look.
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post #5 of 6 (permalink) Old Jan 25th, 05, 02:55 PM
Join Date: Apr 2000
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No, the pad above the pass. side upper water pump bolt!!
The letters at the end of the VIN number string may decode to motor, year, hp, car, tranny, carb., etc??

They are like XXXXXXXCT or XXXXXTSC sort of deal and if they aren't there, they may just be on a little pad right above the middle of the water pump's pulley at the deck???


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post #6 of 6 (permalink) Old Jan 25th, 05, 07:21 PM Thread Starter
Join Date: Oct 2004
Posts: 32

i should have posted that i ment the pass. side upper water pump bolt but i thought i knda implied it, anyway I still cant find the #'s am i blind or could this be a different block style the VIN is 124377l162348 I know this so far thanks to

1 = Chevrolet
2 = Camaro
4 = 8-cylinder engine
37 = coupe body
7 = 1967 model year
L = Los Angeles, CA assembly plant (Van Nuys)
162348 = vehicle serial number sequence

Decode for body number: 037888

No Build date given.
67-12437 = Standard Interior Coupe.
LOS = Built in Van Nuys California.
760 = Standard Black Bucket Seats.
Z = (A50) Strato Bucket Seats (without headrests).
Y-Y = Car Color is Butternut Yellow

2M = (M35) Powerglide Transmission
3K = (Z21) Deluxe exterior trim
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