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Old Apr 5, 2008 | 03:27 AM
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Default 383 need advice

i'm helping a friend put together a 383 and he's on a budget. we got the rotating assembly balanced now we come to find out that the 2 and 6 rods are hitting the cam. my question is can we remove just enough material to clear the cam without messing up the balancing job too bad?

it would only be a small corner of the end of the tapped threads. volume of material removed would only be about .1ml at the absolute most i'm assuming it may total .8 of a gram which doesn't seem like much.
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Old May 1, 2008 | 10:57 AM
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You would be ok with that imo. Wouldn't be noticeable as that's a tiny amount to remove.
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Old May 1, 2008 | 04:48 PM
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if its just a couple grams worth of metal then i wouldnt worry about it, what is it balanced within
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Old May 1, 2008 | 05:49 PM
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Originally Posted by crazydavez28
i'm helping a friend put together a 383 and he's on a budget. we got the rotating assembly balanced now we come to find out that the 2 and 6 rods are hitting the cam. my question is can we remove just enough material to clear the cam without messing up the balancing job too bad?

it would only be a small corner of the end of the tapped threads. volume of material removed would only be about .1ml at the absolute most i'm assuming it may total .8 of a gram which doesn't seem like much.
Keep in mind that you most likely need a bit more clearance than it looks like, as things can be a bit different at high rpm.
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