> But, I
> couldn't find
> the one on Weber-Zenith-Stromberg-SU(10240) Pep Boys locally no
> longer carried
> it.
Motorbooks.com has it.
> Now, with regard to the needles- I have a set of "AN" needles, which are
> apparently original to the Mk I & II Spitfires. I also have a set of "DD"
> needles which I just put into use tonight. What are they from?
According to my book, they're from a Mk III Spit (maybe others, I didn't
scan the entire section).
> What are the
> real differences?
>From a very old DOS program that compares needles :
Reference needle is: (diameters, in units of .0001")
-----------------------------------------------------------------
AN 890 855 827 807 787 770 753 740 730 720 710 700 690 0 0 0
-----------------------------------------------------------------
Differences from reference needle, in units of .0001"
(Negative means richer than reference;
differences greater than 99 are given as 99)
-----------------------------------------------------------------
DD 0 0 8 10 11 12 14 12 10 10 10 10 -99 0 0 0
Randall
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