C3 General General C3 Corvette Discussion not covered in Tech
Sponsored by:
Sponsored by:

Engine identification..?

Thread Tools
 
Search this Thread
 
Old Sep 11, 2008 | 09:18 PM
  #1  
notoriousrob's Avatar
notoriousrob
Thread Starter
6th Gear
 
Joined: Sep 2008
Posts: 6
Likes: 0
Default Engine identification..?

Hey guys. My father has a 1957 Bel air that has been sitting in his garage since I was born. Recently my brother and I have been putting pressure on him to restore it and we have been told by someone that the engine in it might be a corvette engine.

All we know is that the engine was replaced and it is a 350 Chevy V8. The car was bought in 1981 so the engine is an '80 or older.

I was wondering where on the engine I should be looking for any markings that might tell me if it is out of a vette or otherwise.

thanks, here is a picture if that helps and if you need anymore info I'll try and provide it.

Reply
Old Sep 11, 2008 | 09:24 PM
  #2  
AllC34Me's Avatar
AllC34Me
Senior Member
Supporting Lifetime Gold
15 Year Member
Veteran: Navy
 
Joined: Jan 2008
Posts: 12,146
Likes: 2,038
From: Easton, PA
St. Jude Donor '10
Default

First two things I would check is the VIN on the front passenger side of the block. I see your pad but I cannot make out if there is a number there or not in your picture. Is it there or is it missing? Second and more feasible place to look is the back of the block for the casting number. Look for a GM and a seven digit number such as 3970010, 333882, 333881. Post that number and we can help you try to identify where the block was used. Take some more pics of the car too please? There are more places, but that is where I would start.

77Sleeper

Last edited by AllC34Me; Sep 11, 2008 at 10:29 PM.
Reply
Old Sep 11, 2008 | 10:18 PM
  #3  
champs65's Avatar
champs65
Le Mans Master
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Jan 2006
Posts: 8,244
Likes: 114
From: Watkins Glen NY
Default

http://www.nastyz28.com/index.php?page=smallblockchevy

http://www.mortec.com

Here are two good sites to help you ID the block, heads, etc.
Reply
Old Sep 11, 2008 | 10:23 PM
  #4  
notoriousrob's Avatar
notoriousrob
Thread Starter
6th Gear
 
Joined: Sep 2008
Posts: 6
Likes: 0
Default

Thanks for the fast response. It was dark but i managed to get a shot of the casting number. this is what is read:

391980 3
GM 4


You asked for more pics, did you mean the exterior of the car? The engine looks like sh*t but the car had a paint job in '89 (garaged since then) and besides for a thin layer of dirt on it looks good. It's to dark now but I can have them tomorrow if you like.
Reply
Old Sep 11, 2008 | 10:40 PM
  #5  
AllC34Me's Avatar
AllC34Me
Senior Member
Supporting Lifetime Gold
15 Year Member
Veteran: Navy
 
Joined: Jan 2008
Posts: 12,146
Likes: 2,038
From: Easton, PA
St. Jude Donor '10
Default

I just did a quick search through the Corvette Black Book and looked at every block casting number used from 1953 through 1981 and there is no number matching your cast number, at least not for the Corvette. I'll try some other searches to see what I can find but it does not appear to be a Corvette engine.
More soon.
David
Reply
Old Sep 11, 2008 | 10:46 PM
  #6  
FrankVincent's Avatar
FrankVincent
Account disabled by user request 5 Jan 09
 
Joined: Jan 2005
Posts: 261
Likes: 1
Default

Originally Posted by notoriousrob
Thanks for the fast response. It was dark but i managed to get a shot of the casting number. this is what is read:
That looks like your exhaust manifold number ...

The engine casting number is located driver side, very rear, behind the head, facing upward. May look like 3970010 ... ????

Directly opposite that, behind the distributor, is the casting date. May look like B209 ... ??

Front of the engine, passenger side, between the head and the block is a "ledge" or "pad". Very carefully (until you know what you have ..) take some thinner and soft rag and clean the pad, to see if there are any numbers. The pad, in your picture, is located right next to the upper heater hose.

Good luck ...

Last edited by FrankVincent; Sep 11, 2008 at 10:50 PM.
Reply
Old Sep 11, 2008 | 10:47 PM
  #7  
AllC34Me's Avatar
AllC34Me
Senior Member
Supporting Lifetime Gold
15 Year Member
Veteran: Navy
 
Joined: Jan 2008
Posts: 12,146
Likes: 2,038
From: Easton, PA
St. Jude Donor '10
Default

I believe this is the number on your intake manifold and not the casting number on the block itself, correct? If that is true then this is what I have learned about your number.

3919803 327 68 250/275/325/350HP, Corvette, Chevy II, Chevelle, Cast Iron

3919803 350 68 295HP, Camaro, Cast Iron

So I may stand corrected, it could be from a 68 Corvette after all. See if you can find the number 3914678 on the back of the block near the firewall tomorrow when it is lighter outside. If you do then you potentially have a 327 Cu In 300 or 350 hp Corvette engine. More areas to check but see if you can locate that casting number on the block itself.

If anyone else out there sees this differently please chime in.

Thanks.

David
77Sleeper
Reply
Old Sep 11, 2008 | 10:51 PM
  #8  
AllC34Me's Avatar
AllC34Me
Senior Member
Supporting Lifetime Gold
15 Year Member
Veteran: Navy
 
Joined: Jan 2008
Posts: 12,146
Likes: 2,038
From: Easton, PA
St. Jude Donor '10
Default

Originally Posted by FrankVincent
That's your exhaust manifold number ...

The engine casting number is located driver side, very rear, behind the head, facing upward. May look like 3970010 ... ????

Directly opposite that, behind the distributor, is the casting date. May look like B209 ... ??

Front of the engine, passenger side, between the head and the block is a "ledge" or "pad". Very carefully (until you know what you have ..) take some thinner and soft rag and clean the pad, to see if there are any numbers. The pad, in your picture, is located right next to the upper heater hose.

Good luck ...
Well stated. I see his pad in the picture but not clearly enough to tell. Can't wait to hear what he may have there.
Cheers.
David
Reply
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

2027 Corvette vs The World: Every Model vs Closest Competitor

 Joe Kucinski
story-1

10 Most Common Corvette Problems of the Last 20 Years!

 Joe Kucinski
story-2

5 MOST and 5 LEAST Popular Corvette Model Years in History!

 Joe Kucinski
story-3

2027 Corvette Buyer's Guide: Everything You Need to Know!

 Joe Kucinski
story-4

10 Things C8 Corvette Owners Hate (But Won't Tell You)

 Joe Kucinski
story-5

10 Best Corvettes Coming to Barrett-Jackson Palm Beach 2026!

 Brett Foote
story-6

Every Corvette Grand Sport Explained! (C2, C4, C6, C7, & C8)

 Joe Kucinski
story-7

Grand Sport & Grand Sport X Launch Alongside All-New 535hp LS6 V8!

 Michael S. Palmer
story-8

5 Reasons Bad Drivers Crash & 5 Ways to Avoid a Costly Mistake!

 Joe Kucinski
story-9

7 Bolt-On Upgrades From Extreme Online Store to Level Up Your C6 Corvette

 Pouria Savadkouei
Old Sep 11, 2008 | 10:58 PM
  #9  
bigredbrad's Avatar
bigredbrad
Burning Brakes
15 Year Member
Liked
Loved
Top Answer: 1
 
Joined: Feb 2008
Posts: 827
Likes: 119
From: Lincoln NE Riding and Driving Corvettes since 1967.
Default

Originally Posted by notoriousrob

You asked for more pics, did you mean the exterior of the car? The engine looks like sh*t but the car had a paint job in '89 (garaged since then) and besides for a thin layer of dirt on it looks good. It's to dark now but I can have them tomorrow if you like.

Yeah, post pics of the car - Love 57 chevys also!!!

Looks to be an original V-8 car - the radiator is on the correct side of the core support.

bigredbrad

Last edited by bigredbrad; Sep 12, 2008 at 09:21 AM. Reason: correct spelling
Reply
Old Sep 11, 2008 | 11:09 PM
  #10  
notoriousrob's Avatar
notoriousrob
Thread Starter
6th Gear
 
Joined: Sep 2008
Posts: 6
Likes: 0
Default

HaHa i feel like an idiot now. You guys are correct it is the intake manifold, i saw the number there and just focused on getting a shot of that not thinking.

Thanks for the help. I just tried to locate the casting number but no luck. guess I'm waiting till tomorrow
Reply
Old Sep 11, 2008 | 11:14 PM
  #11  
AllC34Me's Avatar
AllC34Me
Senior Member
Supporting Lifetime Gold
15 Year Member
Veteran: Navy
 
Joined: Jan 2008
Posts: 12,146
Likes: 2,038
From: Easton, PA
St. Jude Donor '10
Default

Originally Posted by notoriousrob
HaHa i feel like an idiot now. You guys are correct it is the intake manifold, i saw the number there and just focused on getting a shot of that not thinking.

Thanks for the help. I just tried to locate the casting number but no luck. guess I'm waiting till tomorrow
Good hunting tomorrow
I know, you tried to fool this old guy didn't you? It almost worked.
Well actually it did work, but I'll never tell.
Can't wait to see what you find tomorrow.
Best regards,
David
Reply
Old Sep 11, 2008 | 11:25 PM
  #12  
Artsvette73's Avatar
Artsvette73
Drifting
 
Joined: Jan 2004
Posts: 1,991
Likes: 3
From: Piscataway NJ
Default

I am betting with myself it's a 327
Reply
Old Sep 11, 2008 | 11:28 PM
  #13  
AllC34Me's Avatar
AllC34Me
Senior Member
Supporting Lifetime Gold
15 Year Member
Veteran: Navy
 
Joined: Jan 2008
Posts: 12,146
Likes: 2,038
From: Easton, PA
St. Jude Donor '10
Default

Originally Posted by Artsvette73
I am betting with myself it's a 327
We may all know by tomorrow. Stay tuned.
If it is a 327/300 or a 327/350 and it is sitting in a 1957 Belair I would think it could make a sweet restoration don't you? I would love it.

Cheers.

David
Reply
Old Sep 11, 2008 | 11:38 PM
  #14  
notoriousrob's Avatar
notoriousrob
Thread Starter
6th Gear
 
Joined: Sep 2008
Posts: 6
Likes: 0
Default

I'm glad people are interested in this. I'm getting really excited over here, especially from the suspense of having to wait till tomorrow after class.

I know that engine looks like it has been buried under ground for the past 20 years but it starts right up and runs really smooth. It's gonna be a fun project regardless the engine.
Reply
Old Sep 12, 2008 | 09:23 AM
  #15  
Durango_Boy's Avatar
Durango_Boy
Team Owner
 
Joined: Aug 2006
Posts: 24,125
Likes: 15
From: Columbia Missouri
Default

Originally Posted by notoriousrob
I'm glad people are interested in this. I'm getting really excited over here, especially from the suspense of having to wait till tomorrow after class.

I know that engine looks like it has been buried under ground for the past 20 years but it starts right up and runs really smooth. It's gonna be a fun project regardless the engine.

Here is a good pic showing you where to look for the casting number and casting date. I don't think it's a Corvette engine however. The numbers may be in slightly different locations and probably hidden under a few years of grime.

Reply
Old Sep 12, 2008 | 09:48 AM
  #16  
AllC34Me's Avatar
AllC34Me
Senior Member
Supporting Lifetime Gold
15 Year Member
Veteran: Navy
 
Joined: Jan 2008
Posts: 12,146
Likes: 2,038
From: Easton, PA
St. Jude Donor '10
Default

Originally Posted by Durango_Boy
Here is a good pic showing you where to look for the casting number and casting date. I don't think it's a Corvette engine however. The numbers may be in slightly different locations and probably hidden under a few years of grime.

Good example BD, thank you for sharing that. I am going to "capture" your image for future use and discussion if that is okay with you? Not publically, just here on the forum as needed. Credit will be given to you for the picture.

Thanks a bunch.

David
Reply
Old Sep 12, 2008 | 09:54 AM
  #17  
Durango_Boy's Avatar
Durango_Boy
Team Owner
 
Joined: Aug 2006
Posts: 24,125
Likes: 15
From: Columbia Missouri
Default

Originally Posted by 77Sleeper
Good example BD, thank you for sharing that. I am going to "capture" your image for future use and discussion if that is okay with you? Not publically, just here on the forum as needed. Credit will be given to you for the picture.

Thanks a bunch.

David

Yeah man feel free to use it any way you like, I don't mind at all if it's helping you or someone else.
Reply

Get notified of new replies

To Engine identification..?

Old Sep 12, 2008 | 09:55 AM
  #18  
slapshot 496's Avatar
slapshot 496
Instructor
 
Joined: Jun 2008
Posts: 102
Likes: 0
From: Coldbrook Nova Scotia
Default

If it has the Camal HUMP/bump heads then it,s likely the higher HP rated motor ,however those look like the lo-pow heads with the two "smoke" stacks. check under the valve cover and look up the number at Mortec..Good luck i hope it is the higher Hp 327!!!
Reply
Old Sep 12, 2008 | 12:41 PM
  #19  
Mike Ward's Avatar
Mike Ward
Race Director
10 Year Member
 
Joined: Jul 2001
Posts: 15,892
Likes: 42
Default

Not to pour cold water on this, but almost every old car I've seen that's had a motor transplant was claimed to have a 'Corvette' motor.
I suppose it makes good hype and makes the car sound exotic. Very few of these claims are legit.

I see nothing on your engine that is unique to a Corvette motor of the era. The valve covers appear to be pre-68 config.

Only the stamp pad info will tell the tale.
Reply
Old Sep 12, 2008 | 02:08 PM
  #20  
Jughead's Avatar
Jughead
Senior Member since 1492
Supporting Lifetime Gold
25 Year Member
Photogenic
Photoriffic
Liked
 
Joined: Aug 2000
Posts: 87,870
Likes: 156
From: Just because I'm paranoid doesn't mean people aren't out to get me...
St. Jude Donor '09
Default

Originally Posted by Mike Ward
Not to pour cold water on this, but almost every old car I've seen that's had a motor transplant was claimed to have a 'Corvette' motor.
I suppose it makes good hype and makes the car sound exotic. Very few of these claims are legit.

I see nothing on your engine that is unique to a Corvette motor of the era. The valve covers appear to be pre-68 config.

Only the stamp pad info will tell the tale.

It's gotta be old though, it's got the oil fill tube in the front. When did they stop that? 1965?

Yank that biatch and drop in a Big Block.
Reply



All times are GMT -4. The time now is 11:34 AM.

story-0
2027 Corvette vs The World: Every Model vs Closest Competitor

Slideshow: 2027 Corvette lineup vs the world.

By Joe Kucinski | 2026-04-20 17:58:41


VIEW MORE
story-1
10 Most Common Corvette Problems of the Last 20 Years!

Slideshow: 10 major Corvette problems from the last 20 years.

By Joe Kucinski | 2026-04-14 16:37:05


VIEW MORE
story-2
5 MOST and 5 LEAST Popular Corvette Model Years in History!

Slideshow: 5 most and least popular Corvette model years.

By Joe Kucinski | 2026-04-08 13:25:01


VIEW MORE
story-3
2027 Corvette Buyer's Guide: Everything You Need to Know!

Slideshow: 2027 Corvette buyer's guide

By Joe Kucinski | 2026-04-17 16:41:08


VIEW MORE
story-4
10 Things C8 Corvette Owners Hate (But Won't Tell You)

Slideshow: 10 things C8 Corvette owners hate, but won't tell you.

By Joe Kucinski | 2026-04-01 18:36:07


VIEW MORE
story-5
10 Best Corvettes Coming to Barrett-Jackson Palm Beach 2026!

Slideshow: Should you add one of these incredible Corvettes to your garage?

By Brett Foote | 2026-04-01 18:14:05


VIEW MORE
story-6
Every Corvette Grand Sport Explained! (C2, C4, C6, C7, & C8)

Slideshow: Every Corvette Grand Sport explained

By Joe Kucinski | 2026-03-26 07:13:44


VIEW MORE
story-7
Grand Sport & Grand Sport X Launch Alongside All-New 535hp LS6 V8!

Slideshow: Breaking down the 2027 Grand Sport, Grand Sport X, Stingray, and LS6 V8.

By Michael S. Palmer | 2026-03-26 13:48:45


VIEW MORE
story-8
5 Reasons Bad Drivers Crash & 5 Ways to Avoid a Costly Mistake!

Slideshow: 5 reasons bad drivers crash sports cars & 5 ways to avoid a costly shame!

By Joe Kucinski | 2026-03-25 16:32:55


VIEW MORE
story-9
7 Bolt-On Upgrades From Extreme Online Store to Level Up Your C6 Corvette

Slideshow: Check out these easy-to-install upgrades from Extreme Online Store that reshape the look and feel of the C6 Corvette.

By Pouria Savadkouei | 2026-03-23 17:00:27


VIEW MORE