Most cam manufacturers recommend a 30 minute break in at 3,000 RPM. They
usually specify while parked, as in keep it there..
My .02
Kent
1968 TR 250 (bucket o' parts)
1960 Bugeye
----- Original Message -----
From: Jim Davis <jh_davis@mindspring.com>
To: Rex R. Townsend <rrt@connectexpress.com>
Cc: 6 pack list <6pack@autox.team.net>
Sent: Saturday, May 20, 2000 11:23 PM
Subject: Re: Engine break-in period
> Every book on high performance engine building I have read, as well as
> local professional engine builders ALL recommend running the engine at
> 2000 to 2500 rpm for 20 to 30 minutes on initial start up to insure
> enough oil is available to all reciprocating parts as they wear in.
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