figuring out a 67 conv and a 68 conv - Impala Tech
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post #1 of 4 (permalink) Old 11-08-2009, 02:19 AM Thread Starter
 
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figuring out a 67 conv and a 68 conv

I'm helping a friend that bought 2! Impala convertibles.
Both complete basket cases.
first the 68 is a 307 car auto bench seats. OK that much is clear
the second car is a "numbers matching" 67 SS396 car with bucket seats and 4 spd muncie and AC

First thing we did find out was the numbers matching 396 is actually a 72 truck 400 big block.
the muncie 4 spd looks like a truck tranny...
I don't know if there is a data tag for the car
it's completely dismantled.
But the VIN doesn't? or does have the actual engine code in it?
By my understanding the vin should have : 16867 start.
1 chevy
68 Impala conv v8
67 year

what other codes should i look for for theother options' trans, seats, AC, 396 engine
If I find the data tag.
In the pile of incomplete parts...
we are planning on sorting out the parts and reselling everything off
the 68 and it pieces
and the 67 and it's bits.. bucket seats (one power bucket, rare?) AC unit, console. etc etc.
and a 72 400 big block

thanks for any help
dane v
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post #2 of 4 (permalink) Old 11-16-2009, 03:07 PM
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The cowl (trim) tag or data plate as it is sometimes called is on the passenger's side of the firewall by the brake booster. See if it is there and then jot down all of the info off both and post it here and we can decode it for you. The power bucket seat is rare.

Warren
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post #3 of 4 (permalink) Old 11-16-2009, 07:21 PM
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Welcome to the Team Dane!

As to the engines they all have date codes cast into the block and heads, cam, water pump and manifold, and every other cast iron part that tells you to the hour when that part was cast (usually within 10-14 days of the casting the car was assembled). The casting numbers also tell you what the motor is 307 or 327 (difference in bore is reflected in the two blocks having different casting numbers). The heads will tell your BBC is a Pass or HiPerf motor. The engine ID pad located on the front of the block has numbers stamped in it that will end in two or three letters. That tells you the application of the motor (horsepower, carburetor, solid or hydraulic cam, and what tranny it sat in front of.

Your VIN and cowl tag will tell you only if you have a V-8 or an in line six installed (usually thought the cowl tag is wrong about thirty percent of the time), the VIN is always correct and takes precedence.

The tranny has a VIN stamped into it and also has casting codes for date and parts. So far your numbers matching cars are not holding up to well as the 307 wasn't introduced until 1968 but most folks bought the newer 350 or the old 327 rather for their big bodied cars rather than the new and unfamilar 307 which rapidly got a bad rap.

Big Dave
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post #4 of 4 (permalink) Old 11-17-2009, 10:17 PM
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He says the 307 is in the 68, which would make sense. The 67 has a 72 400 big block out of a truck.
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