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remove the piston chamber, turn the key-pump on. If fuel is pumping
through the jet then.. pressure too high, floats adjusted
improperly, needle and seat stuck open, etc..<br>
I would say that 4.5psi is about tops for the Strombergs..better
tan SU's but not by much..<br>
DP<br>
<br>
<div class="moz-cite-prefix">On 11/16/2015 12:12 PM, Bud R wrote:<br>
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What is the recommended and/or best fuel pressure for a Spitfire
MK III with a single ZS carb? In checking it shows 4.5 -5 PSI on a
gage. I try to keep it close to 2 PSI or less on my dual ZS
equipped TR6 or it develops a cough at idle, so it makes me wonder
if the fuel pump is overwhelming the float needles.
<div><br>
</div>
<div>With the Spit (this is the road Spit not the race car) it
idles fine but the first attempt to accelerate it bogs down then
catches then bogs some more and so on. I’m going to switch the
distributor out and the coil to see if my fuel problem is
actually an ignition problem…you know that old saying.</div>
<div><br>
</div>
<div>Thanks</div>
<div>
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Davidson Honda Mini-Trail
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Porter Custom Bicycles
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