Removing Inline Heat Cotrol Manifold Thermostat to avoid fuel percolation - Nissan : Datsun ZCar forum :Nissan Z Forum: 240Z to 370Z
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Removing Inline Heat Cotrol Manifold Thermostat to avoid fuel percolation

I am trying to tackle fuel percolation on both of my carbs on my 1972 240z and was recommended the following:


1. Remove Inline heat control thermostat and plug the lines on the back of both carburetors. --------------- DONE


2. Install heat shield extensions covering both fuel bowls on both carbs. ---------------- DONE


3. Replace the original metal fuel rail with rubber fuel hose and route it through the firewall away from the cam cover and engine. ----------- Still not accomplished.


I did noticed that now with the inline thermostat removed i need to leave the choke pulled for more than 1 mins for the engine to warm up. Is this normal? will this solve my fuel percolation issue? RPM dropping at idle from 950 to 650 when driving during traffic jams.
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