Thread: Holley Carb help!
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04-10-2017 01:23 PM #1
Holley Carb help!
Hey folks!! So, I have a 350 sbc with a new Holley carb (I tried to attaché photo) I'm new here so I'll get a hang of it.
I'm looking for assistance with the lines for the carb (minus the fuel lines I have that done). I have a 4 barrel intake from a Rochester carb ... and a Holley carb with the adapter on it. I can't seem to find a diagram or resources to help figure out the hoses.
If anyone can help that would be great! This is all new to me, I built this vehicle myself and now it's time to start it. Just looking for some help as the local mechanic shops refused.
Thanks!
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Hickey17
Respect Each New Sunrize
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04-10-2017 01:33 PM #2
how many hoses are you trying to figure out ? there is only one or two that are vital to your engines performance .. the others are just worker bees sort of ..power break booster / PVC system / auto trans modulator / AC system if you have AC .. the performance one to be concerned with is the vacuum advance for the dizzy ...iv`e used up all my sick days at work .. can i call in dead ?
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04-10-2017 02:57 PM #3
Yeah basically that's what I'm trying to figure out haha. I'd like to find out which ones I actually need. I understand that gasline and the throttle and choke set up. But I was told to make sure the other lines were connected... which I have 0 clue what they are.
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04-10-2017 03:11 PM #4
If you go to Holley's website you should be able to open a PDF manual on your model carb that will show you all that stuff.1 Corinthians 1:27
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04-10-2017 03:23 PM #5
On the passenger side of the carb on the metering block above the idle mixture screw the should be a port about 3/16th's or so and that is where the vacuum advance goes. At the base of the carb, from the picture I couldn't tell if it was in the front or the back, there should be a port about 1/2 or so and that is the pcv hook up. Any others I would just plug.Ken Thomas
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04-10-2017 03:38 PM #6
high port on pass side is timed spark advance. the 2 lower ones are manifold vacuum. the larger one is p/b or pcv .
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04-10-2017 04:23 PM #7
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