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Rustisbest

Just the facts
Joined
Jul 20, 2021
Posts
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Location
Athens, TN
First Name
Matt
Truck Year
1979
Truck Model
C10
Engine Size
377
However what I don't like is once I'm driving the truck, cut it off, let it sit for a while then truck doesn't start right up.... I have to pump the gas a few times to get it to start.... I don't understand why it's that. Do y'all think it's because it's a carbureted system and now fuel injection?
It's heat soak and the ethanol gas. Get the Edelbrock 4 hole phenolic spacer. It comes with new gaskets and studs. The metal braided hose/cover on the fuel line and filter location isn't doing you any favors either.

Truck looks good. What size rear tire is that?
 

boloboss

Full Access Member
Joined
May 6, 2023
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Location
Houston Texas
First Name
Shuntel
Truck Year
1984
Truck Model
Chevy C10
Engine Size
v8 350 5.7 liz6er
@Rustisbest
So you think the braided fuel line is causing more heat and it's soaking my gas up with the heat???

Tire size BF Goodrich Silverstone 285/70 R15
on a 15 x 10 wheel
 

Rustisbest

Just the facts
Joined
Jul 20, 2021
Posts
182
Reaction score
456
Location
Athens, TN
First Name
Matt
Truck Year
1979
Truck Model
C10
Engine Size
377
@Rustisbest
So you think the braided fuel line is causing more heat and it's soaking my gas up with the heat???

Tire size BF Goodrich Silverstone 285/70 R15
on a 15 x 10 wheel
Biggest issue is the carb getting heat soaked in my experience. Get the spacer.
 

75gmck25

Full Access Member
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Oct 13, 2016
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Location
Northern Virginia
First Name
Bruce
Truck Year
1975
Truck Model
K25 Camper Special TH350 NP203
Engine Size
5.7
I have a Quadrajet with a four hole spacer and it’s tuned the best I could do myself. If it’s only been sitting a couple of days I just pump it twice, and hit the switch and it starts right up. If it’s been sitting for a week or more I may have to give a 2nd round of two pumps, probably because all the fuel had evaporated in the float bowl and the pump had to refill it. If weather is cold (below about 40) I will have to let it idle for a few minutes before driving away

For a warm start I just jump in and hit the ignition. If I pump it first when its warm it will usually flood out and not start until I let it crank long enough to clear out the flood.
 

boloboss

Full Access Member
Joined
May 6, 2023
Posts
72
Reaction score
19
Location
Houston Texas
First Name
Shuntel
Truck Year
1984
Truck Model
Chevy C10
Engine Size
v8 350 5.7 liz6er
@75gmck25 you mentioned...."For a warm start I just jump in and hit the ignition. If I pump it first when its warm it will usually flood out and not start until I let it crank long enough to clear out the flood."
Q:
Is it possible after my warm start, and when I go to restart, that I'm flooded, and that's why it doesn't start right up... because I do have to crank long before it starts
What could cause it to flood after a warm start
 

SQ HAF KRU

Supporting Member
Supporting Member
Joined
Aug 8, 2022
Posts
24
Reaction score
48
Location
Surprise, AZ
First Name
Greg
Truck Year
1987
Truck Model
1/2 Ton Crew Cab
Engine Size
Gen V LS 5.3
The carb insulator will help a lot, this is a common problem.....the fuel nowadays is junk, it evaporates over night.
 

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