1969 Impala 327? - Impala Tech
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post #1 of 17 (permalink) Old 08-14-2012, 10:53 PM Thread Starter
 
 
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1969 Impala 327?

Hello All,
I am trying to identify an engine in my street rod. I have been told the stamped engine number identifies this engine as originally having been in a 69 Impala. The numbers stamped are 9D068771. As I understand it 9=1969; D= Doraville, Ga; 068771 is the build sequence. The numbers V0702F2 also appear. V=Flint; 07=July; 02=Second Day. The mystery is the F2. I am told this code was used only one time, in 1969 in an Impala with a power-glide transmission. Can anyone confirm the use of the F2 designation? I cannot find it anywhere, the closest I can find is FZ, but I am sure the "2" is a "2", and not a "Z". The matter is confused further as the casting number near the transmission housing is 3970010, which indicates a 350 for 1969, not a 327. Thanks in advance for any help! John
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post #2 of 17 (permalink) Old 08-14-2012, 11:45 PM
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350 and 327 used the same block; both were four inch bore motors with only the crank throws differing one from the other. In 1969 I though GM had gone to a three letter designation code (I would have to drag my Colvin off the shelf to find out), but either way I know of no letter and numeral combination codes.

All application codes where supposed to be two, or three letters. So either you are mis-reading it, or it was mis-stamped; which isn't hard to understand since all where hand stamped originally.

Big Dave
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post #3 of 17 (permalink) Old 08-15-2012, 08:34 AM Thread Starter
 
 
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Thanks Dave,

I agree with your explanation that "F2" wasn't one of the codes generally used by Chevrolet. However, I have been told by the moderator of another site that Chevrolet did use "F2" in only one instance, that being in 1969 on Impala's with a 327 and the powerglide tranny. He also explained the block being the same on the 327 and the 350 with the crankshaft being the difference bewteen the 327 and the 350. I can't seem to confirm the use of "F2" by Chevrolet in 1969 or at any other time.

John
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post #4 of 17 (permalink) Old 08-15-2012, 12:21 PM
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I don't see an F2 listed anywhere either but in 69 full size the F was definitely for the 327. The 350 started with G,H, or I.

FB and FK show power glide and FZ is a power glide in a taxi.

1's were generally stamped using an I so I could see them swapping a 2 for a Z.

There could be a few more sources so keep asking around.

64 Impala SS 327/300 survivor
67 Impala SS 327 triple black hardtop
67 Impala Bench Seat 4 speed
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post #5 of 17 (permalink) Old 08-15-2012, 03:16 PM Thread Starter
 
 
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That makes sense doesn' t it? Instead of grabbing the "Z" die to stamp the correct letter, the guy just used a "2" because he already had it with him because it was July 2, 1969...I guess that logic is as good as any! Little did he realize his shortcut would cause me all this heartburn 43 years later. Thanks again.

John
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post #6 of 17 (permalink) Old 08-15-2012, 04:28 PM
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Also there were not many Z's stamped at all on full size cars so not much need for them. Small block taxi only (one 327 and one 350) one 427 suffix used them. Probably buried at the bottom of the pile.

Of course over on the Camaro line they were using them all for the Z28 DZ cars. By the looks of how many are out there today they must have worn out lots of Z dies on that line!

64 Impala SS 327/300 survivor
67 Impala SS 327 triple black hardtop
67 Impala Bench Seat 4 speed
http://craigaacars.shutterfly.com/pictures
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post #7 of 17 (permalink) Old 08-16-2012, 10:56 AM
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Can you post a picture of the pad? I've seen some F2 and F3 suffixes but haven't figured out what they decode to.
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post #8 of 17 (permalink) Old 08-16-2012, 11:01 AM
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Quote:
Originally Posted by Fossil_Fuel View Post
Also there were not many Z's stamped at all on full size cars so not much need for them. Small block taxi only (one 327 and one 350) one 427 suffix used them. Probably buried at the bottom of the pile.

Of course over on the Camaro line they were using them all for the Z28 DZ cars. By the looks of how many are out there today they must have worn out lots of Z dies on that line!

Seems that way, but they've just been wearing out those Z dies in recent years.
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post #9 of 17 (permalink) Old 08-19-2012, 08:43 PM Thread Starter
 
 
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I'll try to see if I can get a pic of the pad....it's in a difficult location to see, but I'll give it a try.
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post #10 of 17 (permalink) Old 08-19-2012, 09:47 PM
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Because it is in a difficult position to see the factory started stamping the same numbers (excluding the partial VIN) into the block next to the oil filter pad starting in 1969. That is easy to read when servicing a car on a lift (or crawling under it if you are a car enthusiast).
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post #11 of 17 (permalink) Old 08-21-2012, 09:04 PM Thread Starter
 
 
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pic of engine numbers

Here's a pic of the numbers stamped on the plate on the engine. I think you will agree that last character is a "2" maybe posing as a "Z". The partial VIN numbers preceed these numbers. Thanks again to everyone for your help and interest. John
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post #12 of 17 (permalink) Old 08-22-2012, 11:29 AM
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The suffix code sure is F2. They used is late in the model year. May just same 327/pg application as suffix FB.

Warren
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post #13 of 17 (permalink) Old 08-23-2012, 09:26 AM Thread Starter
 
 
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Hi Warren, I'm a little confused by your reply. Are you saying Chevrolet used the "F2" suffix code late in 1969 and only in 1969?

John
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post #14 of 17 (permalink) Old 08-24-2012, 08:14 AM
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Yes. From what I have seen, it was only used in late 69, starting in June.

I believe the suffix does correspond to it's two letter counterpart. F2 is 327/PG and F3 is 327/TH350. I have not seen an F1 but if there is such a thing, it would probably be 327/manual trans.

Warren
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post #15 of 17 (permalink) Old 08-27-2012, 11:30 AM Thread Starter
 
 
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Got it! Thanks Warren.

John
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post #16 of 17 (permalink) Old 11-06-2012, 08:40 PM
 
 
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Quote:
Originally Posted by TAR6569 View Post
Yes. From what I have seen, it was only used in late 69, starting in June.

I believe the suffix does correspond to it's two letter counterpart. F2 is 327/PG and F3 is 327/TH350. I have not seen an F1 but if there is such a thing, it would probably be 327/manual trans.

Warren
Under the "better late than . . . ." my MSA-1 shows F2 being a '69 Impala, 327/235hp, 2bbl carb, PowerGlide.
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post #17 of 17 (permalink) Old 08-19-2013, 07:19 PM
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Bringing this topic back. I think I've started to solve the mystery with these suffixes. It was just by chance that I was combining data from my old lists to the new one and came across a loose F3 block I had entered. I noticed the casting number was 3970010. Got me thinking so I looked for others and found this one that was also an 3970010. I'll have to find other blocks for more evidence but I believe the F1, F2 and F3 suffixes (and they apparently went up to F8) signify the usage of the 3970010 block. That block was used heavily in the 70's and it looks like they did a test run of them late in the 69 model year only at the Flint Engine Plant.

Isn't detective work fun. haha
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