717 Rotary Valve Cover - Shop SBT Forum

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n153b

Breaking it in

Joined: Jan 2007

Posts: 8
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#1

717 Rotary Valve Cover

02-01-2007, 01:37 PM

My rotary valve cover has small indentions on the inside bottom of each port hole. Each is a bit more than a scratch but I think I could easily file them down with some sand paper. Does it need to be machined or should I try to sand it down?
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Technical Support

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#2

02-01-2007, 01:38 PM

Re: 717 Rotary Valve Cover

Post a good picture or two.

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n153b

Breaking it in

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#3

02-02-2007, 12:03 PM

Re: 717 Rotary Valve Cover

Here's a few pictures.
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#4

02-02-2007, 12:05 PM

Re: 717 Rotary Valve Cover

I would remachine/exchange it if I were you.

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n153b

Breaking it in

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#5

02-02-2007, 12:06 PM

Re: 717 Rotary Valve Cover

what happens if I don't? Will it leak oil? Just curious.
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#6

02-02-2007, 12:10 PM

Re: 717 Rotary Valve Cover

You can strip the brass gear if the oil film on the valve is disrupted enough.

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