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Re: Carbs, cats(!),etc. was:Re: Clearance troubles...

Subject: Re: Carbs, cats(!),etc. was:Re: Clearance troubles...
From: Rich Mason <>
Date: Fri, 11 Sep 1998 10:23:51 -0500
At 08:32 PM 9/10/98 -0500, wrote:

>Speaking of dual carb conversions, etc, what, in listers experience, is the
>primary cause for the loss of horsepower on later B's? I know there is a
>change in carburetion, addition of an air pump, and a cat converter. Is
>there anything else? What is responsible for the lion's share of lost
>horsepower? I assume it is "breathing" related because very little torque
>is lost, but hp peaks at a lower rpm (and the peak is less).

I think part of it was somewhere around '72 or so, they started reporting
horsepower at the wheels rather than at the flywheel.  Look at the specs for
engines in that era and you'll see significant drops in horsepower across
the board.

Rich Mason
'73 MGB
Madison, AL
MG Page->

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