351W THUNDER

what do you do when u start a rebuilt motor for the first time??

PRO50SC

Hope it runs?[&:] What are you trying to ask?

351W THUNDER

i have heard things like right wen it fires up rev it to about 2,000 rpm for 20 minutes.. and then do heat cycles for about 500 miles before really getting on it

PRO50SC

http://www.enginesonly.com/break-in.html

http://townhall-talk.edmunds.com/direct/view/.ef123a0

corvetteguy

The main thing is to dissable the ignition
and crank the motor to generate OIL PRESSURE.
The worst thing is to get it to start with the
bearings sitting DRY. One way to insure a
short engine life.

Shot taken from my bathroom window:

mitmaks

what kind of birds are those?

Colorado_Mustang

You should have primed the oil system and applied prelube to all the bearing surfaces already.

Make sure the engine is timed and the fuel system is also primed. You should fire pretty much immediately or you will run the risk of wiping your bearings. My new engines start as easy asa fully tuned engine, which is what you want to accomplish. You 100rpm starter may supply some oil, but not nearly as much as the engine turning 2k rpm.

And, yes, you need to break in the flat tappet cam for 30 minutes or so while changing the engine speed between 1500 and 3000 rpm. Then, change the oil and filter.

Drive for about 500 miles of normal driving (no redlines, excessive idling, or constant engine speed) and change the oil. Then change at 1000 miles. Then change at 1500 miles to synthetic. This does depend on how the engine is built (clearances), but is a decent baseline.

corvetteguy

Wild turkeys.
Shot one last year. A little gamey, a lot
of dark meat, and buckshot to pick out.
Too much bother/

Now I just let them come and take the old apples
when they want.