when I rebuilt my friends E-bird 312 that he bought in 72 we found that it had been raced back in the day, was well worn and needed to be bored. it had a isky 300 cam that we sent back to the company to be reground to company specs. they had installed a switch on the shifter for the overdrive! it was at carlile, pa. this year!

 lincoln/merc. y-blocks &mel's                                                               bucyrus, ohio.

Robin,

Any more news about the 285 HP, E-Code engine?

Just disassembled 312 that I know has sat for 37 years. Block is ECZ-C intake ECZ-B heads small ECZ-G but cam has SS 300 and m9535 on end and YB-1 CWC cast into it. Lift measures .288. So .288 x 1.54 = .4435 - .018 lash = .425 ish. Is this the RPM 300 Isky cam? Could it be the 285 hp cam? Bore is 3.860 with stock appearing pistons crank is 3.440 stroke but is ground .010/.010. Its supposed to be from 57 bird block still has traces of orig red paint but heads have orig yellow paint like 272?

Crane Cams made a cam with those specs. back in the 60's and 70's.  They called it SS-300-A, .451/.451 lift, .016/.018 lash, 300/300 duration, 225/225 duration at .050, and 113 LC.  Good idle and torque.  I had one in my T-Bird.

Thank you! When I get block back from machine shop will degree cam and put info on this forum.

Hi Guys,
So, I posted in this thread 5 years ago about an NOS Ford "Special Racing Camshaft"  I had. Here is a cam spec pulled from the core(see attached file). Also I re-posted a picture of the camshaft tube.  Anyone know what grind this actually is???

Those cam specs match up to the 1957 EDB camshaft specs.  That camshaft would have been used in the 272, 292, and D and E code 312 engines.  Compared to the 1956 and ’58 and newer camshafts, it would be a high performance camshaft.

Lorena, Texas (South of Waco)

What is the number on the tube ? Is it B7A 6250-C ? Cant quite reaad it on the picture. Interesting that Ford would have called a stock 57 camshaft Hi Perf

Oldmics

It says:
Special Racing Camshaft
EDB-6250-D
Can't read the entire B7A number.

Oldmics, did you see the attached cam dr report?

Let me know your thoughts.
Thanks