[Shotimes] Oil blow-by?

[James F. Ryan III]

He doesn't want that oily mess inside his intake manifold.


>-----Original Message-----
>From: shotimes-admin@autox.team.net 
>[mailto:shotimes-admin@autox.team.net] On Behalf Of Leigh Smith
>Sent: Thursday, June 17, 2004 4:22 PM
>To: Paul Nimz; Mark Mucher; 'Shotimes@Autox. Team. Net'
>Subject: Re: [Shotimes] Oil blow-by?
>
>
>Why?
>
>> I plug my PCV input hoses.......
>>
>> Paul Nimz
>> '97 TR
>> '93 EG mtx
>>
>>
>> ----- Original Message -----
>> From: "Leigh Smith" <leighsm@comcast.net>
>> To: "Mark Mucher" <mmucher@bellsouth.net>; "'Shotimes@Autox. 
>Team. Net'"
>> <shotimes@autox.team.net>
>> Sent: Wednesday, June 16, 2004 5:59 PM
>> Subject: Re: [Shotimes] Oil blow-by?
>>
>>
>> > I'd certainly check all the things everyone mentioned, but it is 
>> > also possible the rings are just getting tired by now. You didn't 
>> > mention mileage, but I'll assume it's 100k or more by now. 
>Old solid 
>> > lifter "musclecar" engines had a serious problem with 
>blow-by, even 
>> > when brand new and properly blue-printed, because the pistons were 
>> > forged and installed so "loose". They would literally puff smoke 
>> > from
>the
>> > valve cover fill cap if you opened it and disconnected the 
>PCV. The 
>> > SHO
>is
>> > built MUCH tighter, but with those miles your rings are still well 
>> > worn.
>> To
>> > check, pull the PCV hose, and vent hose, and open the oil 
>fill cap, 
>> > and
>> see
>> > how much smoke or puffing you get. None would be ideal. 
>Put the PCV 
>> > hose back on. Make sure the hose itself pulls a vacuum. Then hold 
>> > your hand
>> over
>> > the cap opening and check to see if the system can pull a vacuum 
>> > thru
>the
>> > crankcase while the engine is running.
>> > Blue smoke that only appears at full throttle means the 
>same thing. 
>> > A more sophisticated test would include a leak-down tester. Race 
>> > cars run vacuum hoses from the header collectors to get big vacuum 
>> > readings inside the crankcase, even at full throttle. I remeber 
>> > tests where that alone was worth 20HP. Lee
>> > ----- Original Message ----- 
>> > From: "Mark Mucher" <mmucher@bellsouth.net>
>> > To: "'Shotimes@Autox. Team. Net'" <shotimes@autox.team.net>
>> > Sent: Wednesday, June 16, 2004 8:58 AM
>> > Subject: [Shotimes] Oil blow-by?
>> >
>> >
>> > > I posted this on TechSHO but didn't get any bites...
>> > >
>> > >
>> > > My "new" '90 has some damp oil spots on the top of the engine
>> > >
>> > > One area is to the left of the filler cap and another is towards 
>> > > the
>> front
>> > > of the throttle body on the intake joint.
>> > >
>> > > It kinda looks like the crankcase is not venting properly.
>> > >
>> > > Any ideas?
>> > >
>> > > (pix available)
>> > >
>> > > Thanks,
>> > >
>> > > Mark
>> > >
>> > > ---
>> > > Mark's outgoing mail is certified Virus Free.
>> > > Checked by AVG anti-virus system (http://www.grisoft.com).
>> > > Version: 6.0.706 / Virus Database: 462 - Release Date: 6/14/2004 
>> > > _______________________________________________
>> > > Shotimes mailing list
>> > > Shotimes@autox.team.net 
>> > > http://www.team.net/mailman/listinfo/shotimes
>> > _______________________________________________
>> > Shotimes mailing list
>> > Shotimes@autox.team.net 
>> > http://www.team.net/mailman/listinfo/shotimes
>> _______________________________________________
>> Shotimes mailing list
>> Shotimes@autox.team.net http://www.team.net/mailman/listinfo/shotimes
>_______________________________________________
>Shotimes mailing list
>Shotimes@autox.team.net http://www.team.net/mailman/listinfo/shotimes