Just got my 56 235 rebuilt and in the 46 1/2t. Still working out the bugs. I bought the duel fenton manifolds intake and exhaust,2"cherry bombs duel exhaust,HEI dist, and (2) 32dft weber carbs from Langdons.The truck runs and drives ok but if I use engine braking, like decelerating down a hill, the engine backfires and then wants to die when I come to a stop. Feathering the gas as I brake keeps it lit.
I bought a carb syncronizer from edlebrock and need advise on tuning the carbs.
After engine warm do I back out the idle screws and set the idle mixture to each carb and then set the idle with the syncronizer or visa versa? What's the best way to set the idle mixture on the webers? Is there something else that I should look for?
Thanks,
Rick.