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Date: Wed, 25 Jul 2001 09:08:13 -0400
From: "Turbodave" <yeahnopsamt.com>
Subject: Re: Does anyone use synthetic oils?


First off , sorry about the HTML , I actually sent it in plain text but it ended up changing somewhere !!??. I can not remember the brand I was using, it was quite a few years ago. When I talked to the guy at Crower he did not mention anything about brands either. After two cams wearing out , I did not push the issue, just switched to standard oil. Just a note , it could have alot to do with the Rockwell hardening of the cam lobes as apposed to the roller, if they are too far away from each other in hardness it could excelerate the problem, I know the rollers on the Fords are really hard. If you have a roller cam, and have the motor apart in the future it is worth a close inspection of the cam lobes to be on the safe side. Dave. life_speednopsamo.com wrote in message ... >Interesting story. Were the roller cam problems from one particular brand of >oil? I know Redline synthetic is commonly used in race applications >including roller cams, but I've not heard of problems. > >- Lifespeed > >In alt.autos.turbocharged Turbodave <yeahnopsamt.com> wrote: > >: Well while we are on the subject I learned the hard way that = >: synthetic oil is actually to slippery in some cases as in on roller = >: camshafts, I was having trouble with wiping out the lobes in a short = >: period of time, finally got the answer from the guy who machines my race = >: motors/ and then backed up by one of the tech people at Crower.. , it is = >: so slippery that the roller on the lifter will not turn as it is going = >: up the ramp for a short duration, the reason is the inside pin on the = >: roller has a higher friction no. than the outer part of the pin that = >: touches the cam lobe creating this skid area eventually wearing out the = >: lobe. >: Just something I have come across, I also feel that a turbo with = >: anything less than perfect seals is more likely to leak with synthetic. >: Just my opinion on the latter part though. >: Dave . > > >>>>>>>>>>BIG HTML SNIP>>>>>>>>>>

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