HS4 question

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Hey Folks,

Here is another one for you. For those of us required to race on HS4's for Vintage rules (in a B that is), should I go up to larger needles and seats (to .125). I have been using lots of pump volume and pressure (2 pumps inline) turned down to 2 lbs via a regulator to overcome what I believe is emptying of the float bowls going down the straightaway. I know that .125's are available. Would these also be OK on the street for drivability standpoint? or would they have ill effects.

I hear Prather is running 1.5inch on his MGA so he must know what the weak link is here? or not...

Thoughts?

Many Thanks,
Brandon

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