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> 5sfe break in
post Nov 26, 2011 - 12:29 AM
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Malhar95

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ive heard many different stories of breaking in a rebuilt motor, but i want to make sure 100%

whats the real way of breaking in a rebuilt 5s engine
what oil do i use?
when to get 1st oil change, 2nd, 3rd etc.
what restrictions (please dont say "dont drive it hard or race it" be specific like "dont go over XX mph and XX rpms" )


thank you


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post Nov 26, 2011 - 9:53 PM
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Smaay

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Joined Dec 8, '03
From Lancaster CA
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this is how i break in engines.

use regular oil, run the engine as hard as you can. full throttle, then let off and coast. then hammer down, then let off. avoid constant RPMs just do this for about 10 miles and the rings will be seated. you want that hard on and off pressures to seat the rings.


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2001 Celica GT-S Turbo
1997 Supra TT 6speed
1997 Celica 3MZ/1MZ swap
1990 Celica All-Trac

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