At 12:39 PM 12/14/98 -0500, you wrote:
>Hello all,
> I've heard on the list from time to time that when changing air
>cleaners to K&N, a different profile needle would be required to get
>a good mix. I have HIF-4's on my '74 B, and I've found that the
>mixture leans out as rpm's increase - at least that's what my spark
>plug analysis tells me.
> I've also noticed that my car will run slightly rich when going
>around campus, using significantly more gas than when on a highway.
>I don't really feel like melting a piston while on a trip because
>the car is too lean.
> I will say that the car has a vacuum leak somewhere near the
>number one carb, but I think this is due to failed emissions
>stuff...Would this have anything to do with the symptoms I'm seeing?
> Can anyone tell me the parts number of the needles I need, and
>bonus points to anyone who can tell me the Moss stock number!
>
>Michael S. Lishego
>http://www.geocities.com/MotorCity/Speedway/3706/
>
>
Peter Burgess' book says ABD. Part number 374-390
Tom Buchanan
http://pages.preferred.com/~buchanan/index.html
74 MGB-GT
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