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Old 02-01-2003, 08:32 PM
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Post Oddball Cam source?

I'm in the process of building a '55 265 for a friend's soon to be number matching vette. The problem I've got is the cam I ordered (and all of the other SBC cams I have on hand) won't work. The 55 only motor, (no oil filter) has a double width rear cam bearing with 2 oil holes. the oiling path for the cam is to the rear cam bearing through one hole, then through a slot milled into the rear bearing journal of the cam, then back into the block through the other hole and to the other cam bearings. I was hoping to use a standard cam, and mill a slot into the bearing journal so that it matches the original. big problem, the slot has to be wide enough to reach both oil holes at once. The standard SBC cams I have don't have enough surface area riding on the rear bearing to mill the slot without hitting the chamfer on the rear of the cam. The original cam is .125" longer on the rear bearing journal. (it is also worn out, pitted, and unusable.) any suggestions? Call Comp Cams or Crane's tech line for help?

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Old 02-01-2003, 08:42 PM
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.

I have made hundreds of dollars milling the slot (at $15-$20 a cam). I had no problems with aftermarket camshafts BUT this was 35 years ago. There is a strong chance that the cams now are more narrow on the the rear journal.

Maybe you could have the cam reground?

It was a popular practice years ago before we, as a nation, became a throw away society.

NOS cams come up on EBAY often also. I saw a NOS GM Duntov sell for around $125 a few weeks ago.

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Old 02-02-2003, 11:41 AM
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Effingham regrinders will regrind the orig core for $80.00, i have run into the same problrm.
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Old 02-02-2003, 11:52 AM
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Try Performance Chevy 1-800-203-6624.This outta an old mag I got.But there add advertises Duntov cams and origanal replacements for like 283s and factory performance cams so maybe they'll have what ya need.
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