Using the choke indicates to me that you have a vacuum leak. Check too
that the pistons freely move up when you open the throttles.
David Councill
67 BGT
72 B
-----Original Message-----
From: mgs-bounces+dcouncill=msubillings.edu@autox.team.net
[mailto:mgs-bounces+dcouncill=msubillings.edu@autox.team.net] On Behalf
Of 1971-red-mgb
Sent: Saturday, September 08, 2007 5:47 PM
To: MG LIST
Subject: [Mgs] dropping RPM's
I recently changed my carburetors on the 71 MGB from HIF4 to the HS4,
everything went well, we set the idle to where it's running smooth in
neutral,
however as soon as I put a load on the engine (i.e. put the car into
gear,
depress the clutch and stay stationary) my RPM drops to the point where
the
engine has difficulty to stay running, the RPM drops to 300 and I either
have
to pull the choke or depress the gas pedal to keep the engine from
stalling.
Any thought's on how to resolve this problem?
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