Problems with new 383
Race Director
Joined: Apr 2000
Posts: 17,676
Likes: 201
From: Who says "Nothing is impossible" ? I've been doing nothing for years.
Those plugs don't look like any oil is being sucked in, they would be wet, ( or is the picture not showing that ) some do look like they are running rich 
My concern is that they all don't look similar
My concern is that they all don't look similar
Le Mans Master
Joined: Mar 2004
Posts: 7,465
Likes: 1,485
From: Little Rock AR
One more thing - try some Autolite plugs instead of those AC Irridium or whatever those are. The regular run of the mill Autolites have a broader heat range than most others. Nothing fancy needed for now. Experiment later once the new engine is baselined if desired. 
-Mark.
-Mark.
Thread Starter
Drifting
Joined: Apr 2002
Posts: 1,720
Likes: 19
From: Manhattan Beach Ca
Well if you guys think #1 and #5 are just black from being rich, maybe I just have a slow leak when running and I dont notice it since there are no spots on the ground after parking.
I'm going to try some hard accelerations and see if I see blue smoke. Maybe it will work its way out with more miles on the engine.
I'm going to try some hard accelerations and see if I see blue smoke. Maybe it will work its way out with more miles on the engine.
Race Director
Joined: Apr 2000
Posts: 17,676
Likes: 201
From: Who says "Nothing is impossible" ? I've been doing nothing for years.
Thread Starter
Drifting
Joined: Apr 2002
Posts: 1,720
Likes: 19
From: Manhattan Beach Ca
Thanks guys, I agree let's have a wait and see approach for now.
I did the hard accelerations and no smoke whatsoever. Forgot to mention vacuum at idle was 13 with semi mild cam 278/.500 lift.
I'm getting sooting on the back tail which I know is a sign of richness so maybe I'll jet it down to 73 and see how she runs. THX
I did the hard accelerations and no smoke whatsoever. Forgot to mention vacuum at idle was 13 with semi mild cam 278/.500 lift.
I'm getting sooting on the back tail which I know is a sign of richness so maybe I'll jet it down to 73 and see how she runs. THX
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Race Director
Joined: May 2005
Posts: 10,674
Likes: 122
From: Millington Illinois
St. Jude Donor '08-'09
Jet it down one size. Put one heat range hotter plug in it. Run it hard, you have to seat the rings. Use dyno oil not Synthetic. Looks like the rings aren't completely seated yet. If you baby it too much or use synthetic oil your cylinder crosshatch can get knocked down before the rings get seated and they will not seat depending on the rings and cylinder finish. Run it through the gears good everytime out wind it up to 5000 rpm a few times every time you get to operating temperature. Downshift and let the engine slow you down when slowing or stopping for the next 500 miles. A little oil consumption for the first 1000 miles or so is not unusual on a new build.
Thread Starter
Drifting
Joined: Apr 2002
Posts: 1,720
Likes: 19
From: Manhattan Beach Ca
Thanks mako I pretty much did what you said on break in and I'm definetly not babying it. The plugs were a start by recommendation here on the forum and AFR but maybe I need a hotter plug. I'm using a dino oil VR1 (pretty sure its dino) so no issues there.