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Thanks Shane. Much appreciated.
So I’m a little stumped. Swapped out the float bowl bypass valves from a 0.45 to a 0.00. No bleed hole on the 0.00 means more squirt and did deliver 0.8-0.9cc except for #2 and #5 (which I believe are always a little less on carbs). Car is blowing dark smoke so doesn’t look lean.
I filmed the bores under throttle blip to see direction of jet (into throttle or into wall of auxiliary venturi). Into bottom of the wall but there’s enough velocity for it to fine its way into throttle.
I did see what looked like air “coming back out”. That’s the best I can explain it but I’ll post a video.
Could it be the 1.75 M&K primaries and GT3 exhaust?
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