[Spits] SU's/needles/jets ??

[maya2blue at juno.com]

I recently posted the following:

"I have a US 1500 1978 Triumph Spitfire with HS2's (tagged AUC9831 &
AUC9831R - handmarked on the top AUD9253 & AUD9256) I use K&N filters and
a 4-2-1 exhaust manifold. I am using AN needles. I have no idea what
springs are in place. 

My questions: 

1) Is the AN needle okay for street use? 
2) What springs do I need, and how do I tell what I have? 

tks. harve"


A couple of notes that I received indicated that "perhaps" the numbers
that were inscribed on the top of each carb (not the tag num) might stand
for the jet.  

Is that correct?

If so, where can I find info about what I Have.  If not correct, what are
they?

tks all

harve

Harve Thorn          (NASS #79)
531 Amen Corner   ('78 1500 Spitfire)
Fayetteville, AR    (looking for a "nice" GT6)
72701 USA 
479.443.0818 evenings or lv msg
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