Ferrari Mailing List: Re: 355 exhaust manifolds or thoughts on buying one...

[Dave Handa (dave]

NO the exhaust manifolds is downstream of the Tubi muffler.  Now if it had
Tubi exhaust manifolds, then yes, solved.



-----Original Message-----
From: Azam, Naweed S [mailto:Naweed.Azam [at] sonyericsson.com] 
Sent: Tuesday, September 19, 2006 2:01 PM
To: dave [at] davehanda.com
Cc: The FerrariList
Subject: Re: [Ferrari] 355 exhaust manifolds or thoughts on buying one...

If the car comes with a factory installed Tubi, does that solve the
problem of the exhaust manifold being too thin?

Best regards,
Naweed.


-----Original Message-----
From: Dennis Liu [mailto:BigHeadDennis [at] earthlink.net] 
Sent: Tuesday, September 19, 2006 2:05 PM
To: Azam, Naweed S
Cc: 'The FerrariList'
Subject: Re: [Ferrari] 355 exhaust manifolds or thoughts on buying
one...

IMHO:

1.  Yes, several owners have replaced the manifold more than once.  Yes,
they can be repaired - one company in the UK does that.  Others opt for
Tubi
manifolds.  PITA?  Yes, but at least they can be replaced while the
engine
is still in place.  Others never experience this problem.  Ferrari has
never
addressed this problem.

2.  A much bigger concern is the exhaust valve guide issue.  The valve
problem lays in excessive wear of the exhaust valve guides. Lots of
theories
and info on this topic, suffice it to say that it exists on '95, '96,
'97
and even some '98 cars. Can be very expensive to fix, but sometimes
people
spend a lot of time on a full engine out major service with a valve job
when
a carbon-build up is actually the root cause of the problem (resulting
in
poor leakdown/compression test results). 

3.  Yes, the 355 *is* a significantly better car than the 348.  It's
more
comfortable for taller people, the seats are a LOT more comfortable, you
have more power, and the 6-speed is nicer.  The 348 has better feel
through
the steering (manual, not power), and arguably, the exhaust note sounds
better.  Both have their share of electrical gremlins, much of it
stemming
from alternators getting too hot and dying from charging almost-dead
batteries.  The 348 climate control is a nightmare.  The 355 interior is
notorious for the rubberized plastic stuff turning to goop.  Both suffer
from leather shrinkage issues.  Bottom line, the 348 has an undeservedly
rough reputation, from a reliability standpoint.  I don't know that it's
any
more unreliable than the 355, which is no paragon of virtue.  But the
355 is
a heckuva lot faster!  :-)

Vty,

--Dennis

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