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#1
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Tuning help
Hello all,
Need a little tuning help on my 74 Duster. Just replaced the air intake manifold, and installed a 600 cfm edelbrock 1406 carb. Been trying to tune it to run good, but am having trouble. I have the idle dialed in at about 750 rpm, the mixture seems good, however there is a lag between the throttle and the engine output. then when foot is removed from pedal idle stays high and then slowly will come down, or I have to tap the throttle again to get the idle down, any suggestions? |
#2
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The bog or lag you are feeling should be the accelerator pump or maybe your timing is a little lazy... the idle issue sounds to me like you need some more spring on your throttle return or the choke is acting weird?..
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#3
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I'd check for leaks around the base of the carb and intake manifold
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#4
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Quote:
I gotta agree. Jump up the accelerator pump to give you more fuel. You might find your pedal is dragging on the floor mat too and/or a weak throttle spring issue. Dual springs are a must if you race. |
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