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July 27, 2005
Jim,
I might share with you the start up procedure my dad taught me. I think it
works well for older rebuilt motors, not the new crate motors of today etc.
When ready to start, add regular oil, 30w or even 20w single weight out of
the ground oil. Pull plugs after static timing, a squirt of oil in the
cylinders, crank engine with plugs out and ignition off until you see oil
pressure. Even better to have the valve cover off to make sure oil reaches
the rockers.
Put in plugs and valve cover. Put pans of tap water on stove and bring to
a
boil. When hot, fill radiator with hot water. It will heart up the block t
o
almost operating temp by the time it is full.
Start engine and check for leaks of gas first, oil second and water third.
Run at about 2,000 rpm for about 3 or 4 minutes while checking and shut
down.
Open one or two beers and drink while patting your self on back. If you
can, re start and drive around the block at light throttle setting under
2,000 rpm through the gears and bring back and shut down, let cool, check
all fluids. Re attach bits you left off.
When driving, Keep to under 2500 rpm and less than =BD throttle for the fir
st
500 miles. After the first 50 miles, select 3rd gear and floor it, WOT, an
d
take to about 5,000 rpm and then off the gas immediately and let slow down.
Do this once every 50 mi.(by the way, this feels really good) At 500 mi,
change the oil and filter. You can then change to a 20w-40 grade oil or
what ever you like. From 500 mi to 1000 mi, keep redline to 3500 rpm with
a
max of =BE throttle and repeat the WOT about every 50 miles.
After 1000 mi, work your red line up to about 4500 or so as you feel the
need for the next 500 miles and after that, just go for it.
I am sure others on list will have some other comments or modifications but
that has worked well for me on all of my engines except one 948 full race
street/autocross engine. It exploded at around 1100 miles, leaving parts o
n
the highway and a hole in the block the size of a grapefruit. My dear old
dad did not tell me about the importance of magna-fluxing the crankshaft
before a rebuild!!!!!!
Hope this helps, good luck on your new motor.
Cheers,
Bob in San Diego
"Robert D. Gardner" < rdgard@... > 38006
Posted on July 27, 2005 06:38 PM
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