Michael, the later cars have vapor capture systems as well as the traditional
crankcase breather and they all hook together with the large diameter tubing
and feed into the carbon canister along with the narrower hard plastic tube
from the fuel tank vent. It sounds like what you had added was the tubes to
the carb float chamber vents. These plug into some hard to find plastic
adapters to mate the hose to the fitting on the carb.
Cant help you with the MSD question but I'm curious to know what you got.
Stan
-----Original Message-----
From: 6pack-bounces+stan.foster=hp.com@autox.team.net
[mailto:6pack-bounces+stan.foster=hp.com@autox.team.net] On Behalf Of
samuelsma@aol.com
Sent: Sunday, December 16, 2007 9:23 PM
To: 6pack@autox.team.net
Subject: [6pack] Carburetor hose
I just got my '76 back from the shop after an extended stay.? In order to
solve the plug fouling problem, the mechanic made a few changes.? First, he
installed an MSD ignition box and?MSD plug wires.? Second, he spent some time
adjusting the carb settings.? The carbs themselves (Zenith-Strombergs) were
rebuilt less than 2000 miles ago.? Third, he hooked up some sort of tubing
that I don't recognize from before.? It runs from a port on the front side of
each carburetor to a T-fitting, and then from the fitting to the back of the
air cleaner.? What is this tubing for?? Is it a PCV setup?? Why was it missing
before and why do I have it back?? Anyone out there running an MSD ignition
box?
The good news is that I took the car for 2 pretty long test drives and it is
running very strongly.? Even better, I pulled some of the plugs today after a
2-hour drive and they looked perfect.? The black, sooty look is gone.? After
lots of time with a meter on the exhaust checking different RPM ranges for
excessive rich or lean conditions,?the mechanic?returned to the stock needles
and sent the others back to Joe Curto.
The acid test will be when I slog through heavy traffic on my way to work this
week.? If they don't foul then, I should be in good shape.
Michael
'76 Tahiti blue
CF 57044U
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