Simon,
You need a helper for this (or get creative). Have a helper press
the accellerator pedal to the floor while you watch the throttle arm
on the carburetor. It may be the linkage is wrong so the throttle
does notvopen all the way.
At 09:26 PM 4/20/2015 -0700, Simon Matthews via Mgs wrote:
>I took a drive in my daughter's '71 MGB-GT yesterday.
>
>It felt like it did not have power at wide open throttle. It starts
>fine, ran fine with small throttle openings, but when I floor it,
>nothing happens. Flooring it results in a slight hesitation, then no
>more power than light accelerator depression. This isn't a high rev
>problem -- it happens at 2000-3000 rpm.
>
>There is no noticeable miss -- nothing that would point to an obvious
>ignition issue. The problem is steady-state -- hold down the throttle
>for a while and still nothing happens.
>
>So, where do I start looking? I plan to replace the plugs, check the
>distributor cap, points, etc.. I did pull the vacuum tube off the
>distributor when replacing the valve cover gasket, but I made sure
>that the tube is in place a both ends.
>....
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