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wont Idle power adder 600

Hi,

i have a small block 355 with weiand 177 supercharger and power adder 600

set idle afr at 12.5  and i set idle at 900 rpm

cam setting #3( not sure ) if correct  my cam is a melling 22305

cant get it to idle!  it will only run with foot on gas

thanks in advance

Have you tried adjusting the idle screw?  Also, do you have a fuel pressure gauge? How is your pressure?

Not having your exhaust system installed will cause a no idle issue also.