1966 SS396 Chevelle L78 orig paint Detroit Craigslist
 

No affiliation to the seller, but WOW, what a great car.
https://detroit.craigslist.org/okl/c...704466769.html

Original 3.31 gear? I don't think so with an L78

Standard gear on a L78 was a 3.73, 3.31 was optional.

It may have been optional, but how likely with an M21?

i wonder if he ment its a 331 gear in a KK housung??

I thought that also, but I think he was referring to KK tach as a knee knocker tach.

That's how I read it.

The way I read the ad, I doubt that it's an original L78 car, just happens to have a 1970 vintage L78 in it now, so the 3.31 gear is probably original to the car.

I thought the same. He doesn’t say that it was originally an L78, but says he has a dated block so makes it sound like it was. I really like the car... no matter what the original hp!

What’s a ‘66 Chevelle SS wearing original black paint and non-original drivetrain worth?

I have an original l78 block for 1966 Chevrolet. Dated May 1966. Standard bore. $1800.00