BJCJ1@aol.com wrote:
>
> Does anyone know the difference between the Lucas Distributor #40367a and
> #40368? I have a 55TF, but if I go by the chassis number, it is actually a
> 53TF. My TF has a 1250 engine...according to the Lucas parts catalog, I
> should be using the 40367A distributor, which was on my engine. Can I change
> to the 40368 distributor?
>
> When I look up the difference between the two distributors, the Lucas book
> refers to the follwoing:
>
> 40367 has an E.C.M curve No of 364, with 11-13 degrees
> 40368 has an E.C.M curve No of 279, with 14-16 degrees
>
> all the other references appear to be the same with the two. But I believe the
> 40368 was used for the TD MKII.
I have found that the XPAG engine run much better with 14-16 degree
advance. The Wed, Mar 31, 1999 had 15 degrees maximum advance. Why did
MG lower the advance of the TF. Maybe the fuel in England at the time
was not high enough octane with the higher performance TF engine?
Jerry Felper
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