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melonized gear & Mallory unilite

4448 Views 6 Replies 5 Participants Last post by  GuysMonteSS, 
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I have a zz383 and was told I need to run a melonized dizzy gear.
So I went to local GM dealer got a gear and it will not fit my Mallory Unilite distributor pn 4748201. ( the hole in the gear in drilled on center and the hole in the dist. shaft is not, its at an angle)
GM says "run a melonized gear "
I called Mallory, they said there shafts are drilled at an angle not to worry & I don't need the melonized gear "there gear is fine to run with stock roller cams" but when I asked the tech at Mallory to give me his last name he refused.
Has anyone else ran into this?
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Schurkey
66dream said:
Yes the hole is at an angle. tech guy at Mallory say that is because the drill walks when it hits the hardened shaft when they drill it.
Click to expand...
Good-sounding lie. I figure the tooling for drilling the hole is worn-out, substandard--or non-existant--and so they just pop the hole where ever the guy doing the job feels like it. It's a well-known problem. Quality of Mallory distributors is very questionable. I bet yours is similar--but not identical--to this one.
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