86 Chevy 350 small block
PH9837
Fram crosses it to one of two filters. Either a PH9837 or a PH3675
Yes. it is an upgraded version of the PF61. i would not call it an upgrade more like a down grade to a cheaper made filter... i have taken a few apart and PF61E is thinner steel and has only a plastic inner cage to stop the filter from clasping... the PF61 has thicker steel and a steel cage
Fram PH-9837
This Filter fits: 1959-82 Chrysler 1958-61 DeSoto V8 1958-82 Dodge 1960-82 Dodge 6 Cyl. 1958-60 Edsel 1960-82 Plymouth 6 Cyl. 1958-82 Ford 1957-82 Lincoln 1958-82 Mercury 1958-82 Plymouth V8
20 times with 1 remaining 61 - 1 = 60 = 3 x 20
61
4 times with remainder 61.
yes there were a few 409's made in 61 but they were rare as the 348 was the big engine back in 61.
It PF 61 crosses over to Fram PH9837 and PH3675
There are roughly ( 61 cubic inches per litre )