<VV> Re: Bad carb?

[Steven R. Marti]

Might be a stupid question, but are the connections from the balance tube to
the mounting flange ok?  No, I see reading it again that was checked. I
guess I'd check again to make such it's airtight and not just mechanically
ok. How about the fuel line on that side?  Swap carbs right for left and see
if problem follows the carb?  You Know you have at least the one good carb
right?

Steve Marti


Date: Sat, 20 May 2006 11:41:49 -0700 (PDT)
From: Smitty Smith <vairologist at verizon.net>
Subject: <VV> Carb Problem
To: virtualvairs at corvair.org
Message-ID: <20060520184149.95066.qmail at web84010.mail.dcn.yahoo.com>
Content-Type: text/plain; charset=iso-8859-1

Smitty says:  Let me start this by saying that it hurts my pride to come on
here asking for help on this subject because I believe I know as much about
HVs as almost anyone out there.  Here's the deal.
  Reassenbled engine that has same carbs mounted as were on there before
tear down.  On start up right carb failed to work.  When running on left
carb, throttle could be raised with the aid of accel pump above a certain
level, where right would then start working.  (maybe 2,000 rpm).  Carb was
torn down and inspected.  Bowl fuel level was normal when opened.  Venturi
cluster was rodded out and blown out.  No problems noted.  lower body ports
and passages rodded out and blown out.  All clear.  Carb reinstalled with
same result.  Fuel mist was sprayed around all possible vacuum leak points
with no change.  Modulator checks good, crossover is tight, base gaskets and
insulator are good.  Second carb obtained which was suspected to be good.
Opened up and cleaned and reassembled.  When installed acted exactly as
first one.  I have a test carb I keep on the shelf for engine tests.  Tried
it with same results.  
  Although I knew the bowls were being filled I checked fuel pressure at 4
1/2 lbs.  In a fit of desperation I checked compression.  All cyls read 122
to 125.
  What am I missing ?  I have 10 hours invested in this problem.


------------------------------


-- 
No virus found in this outgoing message.
Checked by AVG Free Edition.
Version: 7.1.392 / Virus Database: 268.6.1/343 - Release Date: 5/18/2006