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Need help identifying this cam i took out of my 1974 400 Road Runner, red shaft markings, stamped h25 and on the face of back journal it’s stamped 327 C 19
Is there anything etched into the end of the cam? If not then the best way is to degree the cam and figure out what it is. There are so many different cams out there its impossible to know unless you degree it.
327 is the basic part number used by several engine parts suppliers for the 2bbl and non-HP big block 4bbl cam(in sealed power it’s a cs-327, in clevite it’s a 229-1327, TRW TM-327).
That’s my guess as to what you have.
If you use a caliper and get the smallest diameter you can measure on a lobe, then go 90* and measure the largest diameter.
Calculate the difference for the lobe lift.
The 327 cam will be about .286”