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#1
03-05-2008, 10:02 AM
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1966 Corvette 427 & M22 Trans
Aloha guys I need some help buying an engine & transmission out of a 1966 Corvette.1st is the price,The guy wants $3500 for the engine, pan to heads.He said that it is a 425 horse engine with rectangle port heads.What are the letter codes to look for on the engine block.Next is he said he also has the M22 from it & said he wants $1500.First question,On the trans is does it have the C designation on it, if not how do you tell if it is a M22.Also is the pricing for both in the ball park & also I would like a M22 That makes the loud noise.I know this one has the small output shaft,But does it make as much noise as the 1970 M22 with the large output shaft.My friend had one & it was very loud .Any help would be greatly appreciated Mahalo Irvin
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#2
03-05-2008, 11:45 AM
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Re: 1966 Corvette 427 & M22 Trans
There were only 22 (I think) '66 Vettes built originally with L72's and 4speeds. Check for a vin. A 425hp car will have a vin after 3,000ish +/-. "IP" is the engine pad code for a L72 in a '66 Vette. Prices seem fair but I'm not expert!
-Dan
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#3
03-05-2008, 01:03 PM
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Re: 1966 Corvette 427 & M22 Trans
There were 5,258 L72 Vettes in '66, only 15 cars out of total production had the M22. If it is a real '66 L72 than 3500 for a complete engine is a good buy. I certainly hope it isn't an orginal big block car much less an original big block M22 car and the guy is selling the engine out of it, if so he should use the money to have his head examined!
Good luck!
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Steve
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#4
03-05-2008, 03:14 PM
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Re: 1966 Corvette 427 & M22 Trans
I have sold a bare 66 Vette 4 bolt 427 block for more than he is asking. It is a steal at the prices quoted and if that M22 is a real 66 I would be posting the numbers to try to get the drive train back with the original car since it is a rare rare combinations as the guys state.
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#5
03-05-2008, 04:05 PM
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Re: 1966 Corvette 427 & M22 Trans
I knew I was off... Always get the 22 production number figure confused with tranny... whopps.
-Dan
__________________
Follow me on Instagram: https://www.instagram.com/mbcgarage/
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#6
03-05-2008, 04:45 PM
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Re: 1966 Corvette 427 & M22 Trans
...wouldn't the "C" designation he mentioned indicate the trans is at the earliest from 1969?...
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I don't think it was coincidence that the Great Depression happened during Prohibition... 
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#7
03-05-2008, 05:58 PM
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Re: 1966 Corvette 427 & M22 Trans
[ QUOTE ]
...wouldn't the "C" designation he mentioned indicate the trans is at the earliest from 1969?... [/ QUOTE ] Agree if it case is original but you know the way we all did in those cases back in the day and exchanged them for what ever we could find to fit.A true 66 M22 is a super rare piece. Be interesting to see what it had for a side cover and some of the casting numbers. That would help. Small output shaft is worth digging deeper. 
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#8
03-06-2008, 01:22 AM
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Re: 1966 Corvette 427 & M22 Trans
[ QUOTE ]
There were only 22 (I think) '66 Vettes built originally with L72's and 4speeds. Check for a vin. A 425hp car will have a vin after 3,000ish +/-. "IP" is the engine pad code for a L72 in a '66 Vette. Prices seem fair but I'm not expert! -Dan [/ QUOTE ] I believe the engine code is IK for a '66 vette that was equipped with the M22
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#9
03-06-2008, 01:29 AM
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Re: 1966 Corvette 427 & M22 Trans
[ QUOTE ]
[ QUOTE ] There were only 22 (I think) '66 Vettes built originally with L72's and 4speeds. Check for a vin. A 425hp car will have a vin after 3,000ish +/-. "IP" is the engine pad code for a L72 in a '66 Vette. Prices seem fair but I'm not expert! -Dan [/ QUOTE ] I believe the engine code is IK for a '66 vette that was equipped with the M22 [/ QUOTE ] That is correct.
__________________
Steve
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#10
03-05-2008, 08:30 PM
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Re: 1966 Corvette 427 & M22 Trans
[ QUOTE ]
Aloha guys I need some help buying an engine & transmission out of a 1966 Corvette.1st is the price,The guy wants $3500 for the engine, pan to heads.He said that it is a 425 horse engine with rectangle port heads.What are the letter codes to look for on the engine block.Next is he said he also has the M22 from it & said he wants $1500.First question,On the trans is does it have the C designation on it, if not how do you tell if it is a M22.Also is the pricing for both in the ball park & also I would like a M22 That makes the loud noise.I know this one has the small output shaft,But does it make as much noise as the 1970 M22 with the large output shaft.My friend had one & it was very loud .Any help would be greatly appreciated Mahalo Irvin [/ QUOTE ] Hello Irvin, The 1966 M-22 Transmission input clutch shaft has no circlar grooves. The main case has 2 plugs in the passenger side in upper is the fill plug and the lower is the drain plug. You need to get information of the stamping of assembly date and VIN stamped on the rear flange of the main case. You need to get digital photos of the engine pad and casting part number and casting date. The photos of the transmission as described above. This will help to see what are looking to purchase. Regards, Drew Papsun [email protected]
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