[DeTomaso] Oil Smoke From Breathers

[Pantdino]

Dan, 
Unless you are running super thin oil like 0W-30 replacing the synthetic oil with non-synthetic would be a total waste of time.  
What weight are you running?

Was this engine professionally built, or did you do it yourself?
IIRC it is professionally built street motor and the builder said this is normal.
If so, it is nonsense.  
Take the car to a respected mechanic in your area and ask him if it is "normal".  
I suppose if the engine is a full race motor with minimal oil control rings it would have more blowby than a street motor, but what you described is way out of line for a street motor.

If what I have written is true the builder is just failing to admit he messed up and stand behind his work

Jim






-----Original Message-----
From: Dan Courtney <dfcex at pacbell.net>
To: JDeRyke at aol.com
Cc: detomaso at realbig.com
Sent: Wed, May 18, 2011 4:05 am
Subject: Re: [DeTomaso] Oil Smoke From Breathers


Hi Jack,
I eliminated the PCV valve as a cause, next up I'll replace the Mobil 1 with non 
ynthetic oil. The engine and cam has about 2,500 miles now, can it make do 
ithout the ZBBT?
f I still have this issue, how does one test for valve guide or valve stem 
eals (with the engine together)?
Thanks,
an
Dan Courtney
2 Years of Excellent Representation
xcalibur Commercial Real Estate Services
a Jolla, CA
858) 551-5455 P
858) 551-5456 F

rom: JDeRyke at aol.com 
ent: Monday, April 25, 2011 12:19 PM
o: dfcex at pacbell.net ; detomaso at realbig.com 
ubject: Re: [DeTomaso] Oil Smoke From Breathers

In a message dated 4/24/11 8:27:35 PM, dfcex at pacbell.net writes:

  If the problem is valve guides, or valve stem seals, would that show in a 
eak-down test?

No. 
ood luck, Dan- J Deryke 
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