How to identify 352 & 390

James · Post by **James** » August 22, 2007, 3:59 am

Thanks for the help, seems my F100 did in fact come with a 352 in '66! I have been told by several people that I have a 390 but my engine tag claims a 352. Is it possible to determine the difference visually? Ignorance is not bliss!

Thanks,
James

FORDBOYpete · Post by **FORDBOYpete** » August 22, 2007, 6:31 am

Not externally visually, but you can remove the spark plug on #1 with the cyl @ TDC Position insert a rod or dowel, mark a point on it, say the plug's gasket seat.

Next rotate the crank 180* and re-mark at the same reference spot while crank is at BDC.

Then measure distance between high & Low marks to determine actual engine stroke. From that you will be able to determine the CID of the engine. :thumright:

Oh BTW, Welcome to our Slick 60's site, & the Truck Talk Forum, James :welcome: :steering:

FBp

Shiny · Post by **Shiny** » August 24, 2007, 2:51 pm

Eh James,welcome to the site/board.
I just live over the Malahat in Shawnigan Lake.
I have 5 or 6 slicks and lotsa parts.
Drop me a line and come on up for a visit.

-Shiny