Search:

The only reason there is a cross over on the 256, is because it is original. I am running 2 1/2" pipes with glass packs already. I don't plan on racing the '54 Mercury, I am putting the 312 in just...

Thanks Rrumbler. This Mercury use to belong to the city of Bolder, Colo. It was used by the fire chief. It later sat in the state garage for 5 years until it was sold at auction to a farmer who gave...

Daffy, not sure about the "haystack", I have always heard it called a "teapot".

I still have the original teapot for this car, but opted to use the newer Holley for performance issues.

The adapter is a Chevy plate that I milled to fit the Y-block intake, then I milled it to fit the Holley Street Avenger 600 cfm carb. The yellow engine is a 1954 256 with only 41,000 original miles....

Here are the two Y-Blocks I own. The yellow engine is a 256 in my 1954 Mercury. The other is a 1957 Thunderbird 312 that will be going into my Mercury in a few weeks.