FE engine question

Reply Subscribe

Thread Tools

Search this Thread

Mar 30, 2019 | 05:11 PM

Falconman#3

Thread Starter

New User

Joined: Apr 2014

Posts: 12

Likes: 0

FE engine question

I have an FE engine with 66 427 on the block (bellhousing side) with no casting numbers. Just curious because cylinders measure about 4.070 inches and I believe that is what a 390 is.

Last edited by Falconman#3; Mar 30, 2019 at 08:25 PM. Reason: Adding information

Mar 30, 2019 | 09:03 PM

NumberDummy

Ford Parts Specialist

Joined: Nov 2006

Posts: 88,826

Likes: 785

From: Simi Valley, CA

360/390: The bore is the same (4.05"), the stroke is different. 360 = 3.50" / 390 = 3.78."

Mar 31, 2019 | 07:27 AM

Falconman#3

Thread Starter

New User

Joined: Apr 2014

Posts: 12

Likes: 0

Thanks, just curious about the 1966 427 markings and the lack of casting numbers.

Mar 31, 2019 | 09:38 AM

'65Ford

Cargo Master

Joined: Jan 2016

Posts: 2,672

Likes: 373

Any chance it's an aftermarket block? Though 4.070 is smaller than I'd expect for an aftermarket.

Apr 24, 2019 | 12:52 PM

Millam

Tuned

Joined: Oct 2014

Posts: 406

Likes: 2

From: Tucson Arizona

Some drunk at the factory failed to swap out the mold pieces.
Look on the web for tips on identifying the possibility of this being a 428 capable block.
There is a 428 block for sale on the FeForum that has the 66-427 casting numbers.