Re: 1965 L78 Impala Tachometer
real fast - The picture that you posted is a tach for a full size chevy with either the 396/425 HP engine (L78), or the 409/400 HP engine (L33). Both of these were solid lifter engines. In 1965, if you ordered a full size car with the 396 engine (either one), and a 4 speed trans., the tach can as standard equip. I ordered a SS convert. with the 325 HP engine and the tach was standard. I am guessing that the same applied to 409 cars. If you ordered a tach with any small block, or the 409/340 HP engine, the red line on the tach would be different. As mentioned on this post, there is most likely two separate part numbers for these two tachs. As you have probably found out, the higher red line tach is very difficult to find.
I finished a restoration in Oct. 2003 of a L78 impala convertible (bench seat 4 spd.), and was very fortunate in that the tach and other hard to find parts were not missing.
John
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