[Mgs] Acceleration problem

Paul Root ptrmgb at gmail.com
Fri Aug 10 07:07:10 MDT 2007


WSpohn4 at aol.com wrote:
> In a message dated 09/08/2007 8:57:34 P.M. Pacific Daylight Time,  
> pleask at shaw.ca writes:
>
> The  problem is when accelerating it goes fine until ONE SPECIFIC SPOT where
> it  flattens out. Speed is maintained but no more acceleration, you can  hear
> and feel it wanting more of something, like a high speed miss. There  is a
> "Sweet spot" on the throttle where it will or will not do this,  very
> definitive.
>
>
>
>  
> ____________________________________
>
>
> Annoying problems indeed. Some causes - worn cam lobes, damper oil wrong  
> weight or too little (piston flutter), fuel pump runs out of steam - try a  
> higher capacity pump at least temporarily to eliminate starvation as a  possibility.
>   

Pull the fuel line and let the fuel pump pump. If it does 1 imperial 
pint (20oz) in 1 minute. It's not
the pump.


>  
> Try #5 or #6 needles in it if you have a chance.  MB was not, AFAIK, a  
> standard needle on the MGB and that could be a problem. Easy to check out  anyway.
Needles are the first thing that I thought of.  You might check out 
<http://www.winsu.co.uk> for
needle usage. Or <http://www.joecurtoinc.com>


Second would be the points bouncing.

Is the little ground wire from the points plate to the dizzy body in 
good shape?


>  
> Good luck.
>  
> Bill
> ex 1963 TVR owner
> _______________________________________________
> ptrmgb at gmail.com
>
> Edit your replies
>
> Mgs at autox.team.net
> http://autox.team.net/mailman/listinfo/mgs


More information about the Mgs mailing list