Seems we are both on the same quest.
I too am seeking a 57/56 Isky catologue to see what cams were availiable and the timing sequences.
I do have one question in reference to how "service parts" are labeled.
In the other post you made reference to camshafts designated as a B7AE part number as opposed to the B7A prefix normally associated with parts.
What does the "AE" designation stand for?
After rereading the Popular Hot Rodding article about Isky offering the B7A 6250-C cam as a service part-I question if that is actually true.
Reason for my doubts is because ALL of those B7A 6250-C cams that I have encountered are ground on Ford identified camshaft billets.
Would Ford have sent Isky blank Ford identified billets to grind there service parts on?
Timing events on all of these sticks would differ due to Ford using S.A.E. measurement reference points and Isky using his .050 reference that he pioneered.
The 285 H.P. engine is listed in the 1957 Ford brochure as an availiable engine option
Re service part labelling -
After 1958 Ford went back to using the Basic Number System. There are four characters in the prefix. The first is the decade, the second the model year. The third represents the Product Line, i.e. - A = Ford (full size). The fourth character represents Design Responsibility, i.e. - A = Ford Division PEO, B = Metal Stamping Division, E = Engine and Foundry Division Product Engineering Office, Z = Ford Parts and Service Office, etc ... .
In 1958 and into 1959, Ford (actually I believe only E&F Div) used what was referred to as "boxcar numbers" on engine components. Pre 1958, either a three letter prefix, i.e. - ECZ EDB, etc ... was generally used for engineering part numbers and a three character prefix, i.e. - B7A, B6T, etc ... was used on service parts.
I agree, the reference that Isky offered the B7A-C cam or the Isky E-2 is the 290 deg blower cam is inaccurate. It is possible that Isky ground service part cams for Ford. However, attempting to document and verify it may be difficult.
This goes back to my question about anyone having one of these relabeled Isky shipping tubes sold as a Ford service part camshaft.
Re your engine brouchure on the 285 hp engine. Is there a date on the brouchure? What does it state about this engine? Can you post a scan?