One possibility to eliminate is a hot fuel pump.
If you have replaced the original fuel pump with an aftermarket electric
pump it may be supplying more fuel than the carbs can handle.
Several years ago I tore down a set of HIF's 3 times before I realized the
fuel pump was supplying twice the pressure needed.
Put an adjustable pressure regulator in the fuel line, set it to 3 psi, and
had no more problems.
Just a possibility.
Bill Collier
71B
----- Original Message -----
From: <bosoxfan00@comcast.net>
To: <mgs@autox.team.net>
Sent: Friday, October 17, 2003 10:38 AM
Subject: 58 MGA - Carb confusion
> I just installed Carbs returned from rebuilding.... I believe I've put
back as they were originally. My 1500 MGA started up first pull and
immediately went to high rpms..... I can't get to fall below 2500/3000 rpms
regardless of what I do (except when I pull the choke cable as far as I can
pull, then it appears to starve the engine)...
>
> Car also is running very rich.......all idle screws are backed off....if I
replace needles with "lean" versions from Moss, will this help.....that
other suggestions might I learn from
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