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Topic: My 74 just recently quit starting, what are the most common solutions?

in Forum: C3 Engines


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My 74 just recently quit starting, what are the most common solutions? (1/4)
 4/5/23 12:29pm
alweeja
Former Member

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Thomson, GA - USA

Vette(s):
1974 convertible S.B.


Joined: 11/25/2022
Posts: 10

My car does sit  lot.  I have had  Gas smell in my 74 for a while.  What are the Most common culprits?






|UPDATED|4/5/2023 10:29:51 AM (AZT)|/UPDATED|
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Re: My 74 just recently quit starting, what are the most common soluti (2/4)
 4/19/23 10:47am
Sledboy
Former Member

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, - Canada

Vette(s):
1973 L82 4speed


Joined: 10/13/2021
Posts: 3

I had gas smell in my 73 it was the diaphragm in the pump.But the pump was wet and it dripped on the floor.

 

Re: My 74 just recently quit starting, what are the most common soluti (3/4)
 4/19/23 9:42pm
Adams' AppleLifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas


Joined: 11/8/2003
Posts: 20122

Does it not start AT ALL, or do you have to crank on it for a while before it starts? If you have to crank on it a long time before it fires, then I would suspect the carb fuel bowl welch plugs are leaking, and the fuel bowl is empty after sitting for a couple of days, requiring you to crank it over for an extended time before it will start. If this is the problem, it will require removing the carb and taking the throttle plate(base) off, to repair.

If it just won't start at all, then that's a whole nuther issue, and would require more info. Like...does it spin over or not? 



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Re: My 74 just recently quit starting, what are the most common soluti (4/4)
 5/7/23 11:03am
gapl1953
Standard Member
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Springbrook, WI - USA

Vette(s):
1974 L82 coupe, 1990 ZR-1


Joined: 10/18/2020
Posts: 32

Check the rubber fuel lines on the top of the fuel tank. My original fuel lines rotted out on my 74 and prevented fuel flow. They also cause a gasoline odor before failing. 

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