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Old 10-15-2013, 09:56 AM   #1
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hello to all, new here from france sarras 07370 local zip code i have a c3 corvette 1973 wich i just bought and brought over to france i am looking up certain specs to have my title done but can not get it figured out here is the complete stamped number on engine flat on passanger side next to heads c5f 327649 v1031 txb can any one help me figure out what it came from has i don't think it is original corvette engine. thank you for your replies
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Old 10-15-2013, 10:09 AM   #2
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1972-1980

13 Digit VIN Explanation

Location
Inner side of drivers side windshield post (A-pillar). Visible through window from outside.


Example: 1Z37J2S500001

Sequence Number = Code Description

1 GM division: 1 = Chevrolet

2 Car Line or Series: Z = Corvette

3 & 4 Body style: 3 & 7 = Two door coupe

8 & 7 = two door coupe(1978 to 1980)

6 & 7 = two door convertible

5 Engine type:

1972 K = base L = LT1, W = LS5
1973 J = L48, T = L82, Z = LS4
1974 J = L48, T = L82, Z = LS4
1975 J = L48, T = L82
1976 J = L48, X = L82
1977 L = L48, X = L82
1978 L = L48, 4 = L82
1979 8 = L48, 4 = L82
1980 H = LG4, 8 = L48, 6 = L82

6 Model year designation from:

GM 2 = 1972, 3 = 1973, 4 = 1974, 5 = 1975, 6 = 1976, 7 = 1977, 8 = 1978, 9 = 1979, A = 1980

7 Final Assembly Plant: * = St. Louis

8 to 13 Production Sequence Number: 500001 - 440614
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Old 10-15-2013, 10:19 AM   #3
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hello i got that part straight i am talking about the engine numbers but thanks anyhow
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Old 10-15-2013, 01:47 PM   #4
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TXB is LS9
v1031 is built in flint, 10/31/75

1975 350
LS9, 165HP, 4BBL
C-20 to 3500

How to decode Chevy Engine Codes
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Old 10-15-2013, 02:28 PM   #5
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thank you for the help i just got confirmation this morning now i know how to face the problem......car is going for sale and going to look for big block 427 c2 or chevelle ss like i used to have back in 81 thanks to all for the information ...chris
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Old 10-15-2013, 04:35 PM   #6
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c5f 327649 is the vin derivative from the truck the engine was originally installed into. This number was stamped at the final assembly plant just prior to the installation of the engine into the truck

C - Chevrolet Truck Division
5 - 1975 Model Year
F - Flint Michigan Truck and Bus Assembly plant
327649 - sequential serial number of the truck

So it was factory installed into a truck, its not a original Corvette engine
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