This
cam was done by many years ago and stored. On the end is
stamped "25510" (but by who?). Nissan part number for the
Solex "C" cam was 13001-25510. I do not know if this
is/was an original Solex II cam or not as I don't know
its history.
Ran
this on a cam profiler and lobe lift was .334". Duration;
measured at .05" Cam Lift; was 248 degrees Intake
and 238 degrees Exhaust. Has a dowel hole in the forward
end; probably for use with some kind of a modified cam
gear that could be adjusted to alter valve timing. It
seems like the cams cut on the Nissan Motorsports blanks
all had a much bigger location hole for the
dowel.
It's
hard to know the possibilities around the early life of
this cam. My memory is that the "C" cam was cut from a
blank and therefore had uniform 33mm (1.300") diameter.
This may have been cut on a typical Solex "B" cam; since
it also has a "B" on the rear end. Base circles vary
front to back so I am guessing this might have been run
then recut. Front to back I'm coming up with 1.220" then
1217, 1220, 1220, 1215, 1218, 1218, 1210; so this
shouldn't be installed by someone unfamilar with cam
geometry.
Please
keep in mind that measuring a cam by hand without a
suitable jig is kind of like measuring a rock; slight
twist of the wrist gives completely different readings;
but this at least shows a range.
SOLD
OUTRIGHT, NO CORE REQUIRED
