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Re: Smokey joe (and dizzys)

To: "scott beavis" <sbeavis@solartronanalytical.com>,
Subject: Re: Smokey joe (and dizzys)
From: "Rick Lindsay" <ROLindsay@dgrc.com>
Date: Mon, 23 Jul 2001 23:22:28 -0500
> The engine rattles badly above about 3krpm. Big ends I think. I was
thinking
> about adding, say 1L of gear oil to the engine oil to thicken things up a
> bit. I know this is a trick which people do when selling old cars to make
> them sound better, but if all the engine clearances are worn then surely a
> thicker oil is required to maintain pressure? Anyone know if this is a
good
> or bad idea?

Scott, adding heavy oil to the crankcase will sometimes slow the oil down
through the bearing.  The trade-off is the quietening and improved
'apparent' pressure versus the reduced ability to cool the bearings.  For
engines with worn bearings and weak rings/valve seals, I use a product
called 'Restore'.  It is a Band-Aid, not a repair.

rick

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