70 Lt1 Question
Safety Car
Joined: Apr 2001
Posts: 3,581
Likes: 28
From: Spring, Texas
For 1970 & 1971, you really need a tank sticker with a VIN that matches the car VIN. There are also a number of visible signs to look for, but they can all be changed by previous owners (e.g. domed hood, single fuel line from tank to front of car, higher RPM tachometer, heavy duty straps for U-joints on half shafts, etc.). Some of the obvious things to look for first are the hood, a manual transmission, and lack of A/C.
Beginning in 1972, Chevrolet used the fifth digit in the VIN to denote the engine type. In 1972, all LT-1 cars had an "L" as the fifth VIN digit. Only about 240 were made with A/C in 1972 and they had the lower RPM tachometer to help prevent thrown belts.
Beginning in 1972, Chevrolet used the fifth digit in the VIN to denote the engine type. In 1972, all LT-1 cars had an "L" as the fifth VIN digit. Only about 240 were made with A/C in 1972 and they had the lower RPM tachometer to help prevent thrown belts.
Last edited by SharkAttack; Aug 14, 2005 at 09:35 PM.
Team Owner
Joined: Jul 1999
Posts: 26,545
Likes: 46
From: Huntersville NC
but how do you know the tank sticker is genuine?
The more I learn, the less comfortable I am with a 70/71 LT-1. I would need a very solid owner history and an expert opinion, but I would feel a lot better about spending money on a 72 (with the original engine info embedded in the vin)
The more I learn, the less comfortable I am with a 70/71 LT-1. I would need a very solid owner history and an expert opinion, but I would feel a lot better about spending money on a 72 (with the original engine info embedded in the vin)
Le Mans Master
Joined: Sep 2004
Posts: 6,018
Likes: 565
From: Conroe Texas
on the drivers side of the gas tank, at the top, should be an eec valve? that is screwed to the tank bracket, and connected with a short hose. only the lt-1's had this feature as they only had one fuel line.
