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08-02-2018, 01:19 PM
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#1 |
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Registered User
Join Date: Apr 2015
Location: Ayr Ontario
Posts: 1,122
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Re: heard this one yet????
Weak fuel pump?
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Do it, Do it right, Do it right the first time |
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08-02-2018, 01:23 PM
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#2 | |
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Registered User
Join Date: Mar 2013
Location: Hewitt, Texas
Posts: 444
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Re: heard this one yet????
Quote:
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Steven '67 SWB, 250ci, 3OTT.......this is my first build...... I wonder if my grand kids will say, "I would give anything to have my grand dads 2005 Chevrolet Z71" |
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08-02-2018, 02:23 PM
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#3 |
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Registered User
Join Date: Apr 2015
Location: Ayr Ontario
Posts: 1,122
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Re: heard this one yet????
When you accelerate you increase RPM on the pump it could be weak at low RPM. Just a thought.
__________________
Do it, Do it right, Do it right the first time |
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08-02-2018, 02:25 PM
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#4 |
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Registered User
Join Date: Mar 2013
Location: Hewitt, Texas
Posts: 444
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Re: heard this one yet????
hmmmm....ok, you got me thinkin' now....
and at idle it's not asking for that much gas....is this your thinking? (not being a dick, just seeing if this is what you think)
__________________
Steven '67 SWB, 250ci, 3OTT.......this is my first build...... I wonder if my grand kids will say, "I would give anything to have my grand dads 2005 Chevrolet Z71" |
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08-02-2018, 03:56 PM
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#5 |
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Registered User
Join Date: Mar 2013
Location: Hewitt, Texas
Posts: 444
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Re: heard this one yet????
question....
the "C" shaped linkage at the bottom of the carburetor, connecting the accelerator pump to the throttle body, can that be adjusted/tweaked/bent slightly to help with anything I've got going?
__________________
Steven '67 SWB, 250ci, 3OTT.......this is my first build...... I wonder if my grand kids will say, "I would give anything to have my grand dads 2005 Chevrolet Z71" |
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08-02-2018, 04:07 PM
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#6 |
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Who Changed This?
 
Join Date: Jan 2013
Location: Simi Valley, CA
Posts: 10,990
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Re: heard this one yet????
It sounds like you have a stumble when you opened the throttle. I'd take a look at the pump squirt (truck not running) when partially opening the throttle. That is either a low float level (which you checked as good) or the linkage needs adjusting to get the slack out. The pump should move and squirt right when you open the throttle.
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~Steven '70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper Simi Valley, CA |
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08-02-2018, 04:17 PM
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#7 | |
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Registered User
Join Date: Mar 2013
Location: Hewitt, Texas
Posts: 444
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Re: heard this one yet????
Quote:
__________________
Steven '67 SWB, 250ci, 3OTT.......this is my first build...... I wonder if my grand kids will say, "I would give anything to have my grand dads 2005 Chevrolet Z71" |
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