Miata Mailing List: June 1997, Message #63
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From: 	"Richard J. Anderson" <richarda@sttl.uswest.net>

Subject: Re: travel thanks and lifter noise redux

Date: 	Mon, 2 Jun 1997 02:08:20 -0500



I must agree....



	I switched from 10w-30 to 5w-50 in the Castrol SynTec and this solved

cold start, high heat, and high speed problems with lifter noise, etc.



	I tested this on a high speed 3 hour non-stop tour during july of '96. 

The 10w-30 oil allow lifter noise after the first half-hour, the oil was

only 100miles old.  I switched to 5w-50 for the trip back, another 3

hours, and absolutely no noise. it also started easier.  Great Stuff.



'90B Red (Brembo, K&N, 160Deg, 14Deg., Catz,)