Pre 84 Trucks 1st gen pickups

Carb Sight glass

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Old 11-28-2016, 06:14 AM
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Carb Sight glass

How much fuel should you see in the sight glass before you attempt to start a stock 22r with OEM Asin carb? Mine reads way below half before I attempt to start. I usually have to hit it with a shot of ether before it will fire if it's been sitting for a day or so. I know it could use a rebuild, but just trying to eliminate other potential issues before I start throwing parts at it.
Old 11-28-2016, 05:30 PM
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My float level was set to see half a glass of fuel. With that setting, I would do one pump with throttle and it would start right up. Make sure your accelerator pump is working good
Old 11-29-2016, 03:39 AM
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Originally Posted by Lons81
My float level was set to see half a glass of fuel. With that setting, I would do one pump with throttle and it would start right up. Make sure your accelerator pump is working good
Thanks!! I'll check the accelerator pump, and give you an update. I figured it should be at least half full.
Old 12-14-2016, 09:43 AM
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Could be the needle seat. I've heard that after a while they wear out a bit and allow the bowl to drain down some or even completely, after sitting a while not being run or driven. Rebuild time?
Old 12-14-2016, 10:18 AM
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Originally Posted by 13Swords
Could be the needle seat. I've heard that after a while they wear out a bit and allow the bowl to drain down some or even completely, after sitting a while not being run or driven. Rebuild time?
Yup. Just pulled it off the other day. I'll let you know my findings once I bolt it back on.



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