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Old 06-06-2013, 04:14 AM
blykins blykins is offline
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Glad you're happy man.

There are several things that need to be noted about cam gears and distributor gears.

1. The materials must match and you want the distributor gear to be the sacrificial gear.
2. You can never assume that a gear is pressed onto the distributor shaft the correct amount. There is a spec for this, and on an MSD, it needs to be 3.995-4.005". That's measured from the flange to the bottom of the gear with all the endplay removed. You can not press on a new gear, just line the holes up, and roll with it. That distance needs to be checked every single time.
3. On a SBF, the distributor and cam gears get oil from the front cam bearing feed. I've seen aftermarket blocks where this feed has not been drilled or the cam bearing covers the feed. If that happens, the only oil the gears will get will be a little splash.
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