01-07-2024, 03:14 PM
|
#28
|
Senior Member
Join Date: May 2015
Posts: 8,532
|
Re: 221-239-255 Flathead Engine Block Identification Version 2
Quote:
Originally Posted by Bored&Stroked
Here are some pictures of my NOS 41/42 Mercury / WWII block. Notice that it has a factory relief, has a raised intake surface and has the round center water hole. It does NOT have core plugs in the pan rail and comes stock with a 3 3/16 bore (239 cubic inches).
The Ford blocks will have a trapezoid center water hole and will be 3 1/16 bore.
I'll include pictures of the AFTER state of the block - as I've heavily modified it for performance. You'll see heavy porting, full relief, large valves, large ports, etc..
Stock:Heavily Modified:
|
__________________
The only thing nice about being imperfect is the joy it brings to others....
"Silver rings, your butt! Them's washers!"
"We shot our way out of that town for a dollar's worth of steel holes!" - from 'The Wild Bunch' - 1969
https://www.youtube.com/watch?v=7NReUd2_0u0
|
|
|