[DeTomaso] Oil Smoke From Breathers

Pantdino pantdino at aol.com
Sun Apr 24 15:54:47 EDT 2011


I realize compression checks are inexact and the most important thing is the cylinders all being the same, but 150 seems a bit low to me for 10.5:1 CR.
I have little experience with these matters, but I had cause to recently test 2 motors-- both done with the engine hot, all plugs removed, and the throttle being held wide open.

Triumph TR6, supposed CR either 7.75 or 8.5:1----  5 cylinders 135-137, one 125

Fiat Abarth with supposed CR 10.0:1----  2 cylinders 175, 2 cylinders195
 
Was your test done under those conditions?

Jim








-----Original Message-----
From: Dan Courtney <dfcex at pacbell.net>
To: dfcex at excaliburre.com; wkooiman at earthlink.net; detomaso at realbig.com; Pantdino <pantdino at aol.com>
Sent: Sat, Apr 23, 2011 11:53 pm
Subject: Re: [DeTomaso] Oil Smoke From Breathers


About 10:5 - 1.
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: Pantdino 
ent: Saturday, April 23, 2011 11:17 PM
o: dfcex at excaliburre.com ; wkooiman at earthlink.net ; detomaso at realbig.com 
ubject: Re: [DeTomaso] Oil Smoke From Breathers

ust out of curiosity, what compression ratio are you running to get 150?


-----Original Message-----
rom: Dan Courtney <dfcex at pacbell.net>
o: Will Kooiman <wkooiman at earthlink.net>; 'Dan Courtney' <dfcex at excaliburre.com>; 
etomaso at realbig.com
ent: Sat, Apr 23, 2011 11:11 pm
ubject: Re: [DeTomaso] Oil Smoke From Breathers

Thanks Will,
lso, I did a compression test. All 8 are at 150 psi. I already changed the 
CV, but maybe got a defective one, so I'm trying another tomorrow.
Dan
Dan Courtney
2 Years of Excellent Representation
xcalibur Commercial Real Estate Services
a Jolla, CA
858) 551-5455 P
858) 551-5456 F
--------------------------------------------------
rom: "Will Kooiman" <wkooiman at earthlink.net>
ent: Saturday, April 23, 2011 9:53 PM
o: "'Dan Courtney'" <dfcex at excaliburre.com>; <detomaso at realbig.com>
ubject: RE: [DeTomaso] Oil Smoke From Breathers
> #1 valve seal popped off

 #2 rings not seated yet

 That's 2 guesses.

 -----Original Message-----
 From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] 
 On
 Behalf Of Dan Courtney
 Sent: Saturday, April 23, 2011 11:22 PM
 To: detomaso at realbig.com
 Subject: [DeTomaso] Oil Smoke From Breathers

 Anybody have a guess as to highly visible oil smoke coming from the
 breathers, mainly between 3,000 & 4,000 rpms?
 Valve guides? (Only 4,000 miles on the guides and it's been doing this 
 since
 the most recent assembly).

 Thanks for your suggestions,
 Dan

 Dan Courtney
 22 Years of Excellent Representation
 Excalibur Commercial Real Estate Services
 La Jolla, CA
 (858) 551-5455 P
 (858) 551-5456 F
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