That's why some folks prefer to do it themselves.
----- Original Message -----
From: Bob Bundy
To: [email protected] ; Ray Ayala
Sent: Monday, July 21, 2008 8:17 PM
Subject: Re: Tailpipe smoking under load.
I know it sounds like that but the valves were taken out inspected and the
valve stem seals replaced just two weeks ago. Initially I thought it was that
before the head was redone as well. I would have thought the machine shop would
have caught anything wrong.
Bob
----- Original Message -----
From: Ray Ayala
To: Bob Bundy ; [email protected]
Sent: Monday, July 21, 2008 8:08 PM
Subject: Re: Tailpipe smoking under load.
Sounds like oil getting sucked down one or more intake stems under vacuum
and then burning under subsequent load. Check to see if that 1 in 3 times
happens to be follow a longer-than-normal vacuum condition.
----- Original Message -----
From: Bob Bundy
To: [email protected]
Sent: Monday, July 21, 2008 7:42 PM
Subject: Tailpipe smoking under load.
I seem to have one cylinder burning oil. But I'm having a horrible time
trying to diagnose
1) Smokes on hard accel under load with boost only. Not at all under
vacuum. Does it maybe 1 in three times it smokes a pretty good cloud and not
every time.
2) Definitely have oil consumption but not a huge amount. Less than ΒΌ
quart per tank I think a little more on the track.
2) Spark plug in #1 will have some sticky Oil residue but not really wet.
Gets kind of gummy occasionally All others look perfect.
3) Compression test shows all cylinders within a couple psi of each
other.
4) Leak down less than 5% at 100psi in all cylinders.
5) Absolutely no blowby showing up in my catch can on the breather side
6) Changing PCV valve made no difference.
7) Valves and guides and valve seals are freshly redone due to burnt
exhaust valve on #1
8) RC 750cc injectors replaced because thought might have caused lean
condition burning #1 valve
9) The cylinder bores ant the tops of the Pistons all looked fine when I
had the head off to have the valve fixed.
9) Doesn't seem to be down on power 338.2 hp 295 ft.lb at 17psi on the
Dyno Dynamics dyno Yesterday afrs safely in the 11.8 to 11.4 range. Grayish
smoke cloud out the tailpipe on the dyno but not really a total smoke out. Some
of the Hondas were worse.
Any Ideas? I never noticed the smoke before until just before I burned
the exhaust valve. Now the smoke cloud is really unsightly and I'm worried I'm
going to do more expensive damage running it further.
Bob
--------------------------------------------------------------------------
_______________________________________________
Miatapower mailing list
[email protected]
http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower
_______________________________________________
Miatapower mailing list
[email protected]
http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower
