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#1 |
Registered User
Join Date: May 2004
Location: Oklahoma City
Posts: 205
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Help! Truck won't stay running
The truck was running fine last week but it started coughing and sputtering then died. I tried to start it a few times but nothing. Had it towed home and replaced the fuel pump but didn't help. The engine turns over and sounds like it wants to start but dies right away. It's a 350 with an Edelbrock 1405. It did backfire through the exhaust after the last try. Then I quit trying. Any suggestions?
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1969 chevy C10 long bed 350 4bbl auto p/disc and 5 lug |
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#2 |
Registered User
Join Date: May 2000
Location: Storm Lake, Ia
Posts: 1,449
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Re: Help! Truck won't stay running
I would dump some gas down the carb and see if it runs for a little while. If not then fuel is your problem. Maybe fuel filter in carb. If it runs for a little while once you dump the fuel then it has to be spark problem.
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#3 |
Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: Help! Truck won't stay running
points, plugs ,condensor,distributor cap,sparkplug wires, gas and fuel filters// set dwell, gap ,timing // it's called a tuneup then see where you're at // old vehicles need these items looked at on a frequent basis to stay in proper running condition
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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#4 | |
Registered User
![]() Join Date: Aug 2005
Location: Hillsboro Oregon
Posts: 6,449
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Re: Help! Truck won't stay running
Quote:
Could also be a vacuum leak in the carb or manifold. Check all fittings, ports, and lines to/from those. |
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#5 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: Help! Truck won't stay running
Do you still have the old points ignition system?
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#6 |
Registered User
Join Date: May 2004
Location: Oklahoma City
Posts: 205
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Re: Help! Truck won't stay running
It's HEI. Thank you cdowns I am aware of a tuneup.
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1969 chevy C10 long bed 350 4bbl auto p/disc and 5 lug |
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#7 |
Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: Help! Truck won't stay running
with gas line disconnected from carb going into a container if you crank for 15seconds you should get a little over a cup of gas if not fuel supply prob either bad pump or clogged tank strainer
hei ??was a new wire run for power?? if not cause could be burned up module due to lo voltage another common prob with hei is bad module ground//take a plug out ground to engine and turnover and check for spark
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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#8 |
Registered User
Join Date: May 2000
Location: Storm Lake, Ia
Posts: 1,449
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Re: Help! Truck won't stay running
Frizzle you are right . I just re read my post and do have it backwards. Just got home from work when I posted and was still alittle brain dead! Oh well !
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#9 |
Registered User
Join Date: Mar 2005
Location: waco tx
Posts: 584
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Re: Help! Truck won't stay running
check your plugs they could be wet.TO much gas thats what happen to mine.
I changed the plugs cranked right up.
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77 swb starting all over again. |
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#10 |
Registered User
Join Date: Sep 2003
Location: lebanon tn.
Posts: 96
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Hello all, tought i would put my 2 cents in.i had a truck ,started and ran good everytime i tryed it.i had a guy wanting to buy it,he came to look at the truck.would not hit a lick.i changed the iginition module in dist.started and ran great.might try that. Bobby
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36 master 36 master delux coupe,6cly,3sp. 58 impala,348 3 duces,4 sp. 56 belair,302,4sp,12 bolt. 2000 silverado,5.3 auto. 65 foo foo rd,352 auto,for sale |
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#11 |
No,I DON'T have Tourett's
Join Date: Mar 2005
Location: Reno, NV
Posts: 556
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Re: Help! Truck won't stay running
I just had to change a hei coil and module.
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'72 K5 CST 350/350 Daily Driver '69 GMC3500 Camper Special CST Flatbed 396/400 Upgraded to show truck '69 GMC 2500 L6292, 3spd beater |
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#12 |
Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: Help! Truck won't stay running
another thing if you have a tachometer it could be the promlem /disconnect the tach lead from the dizz
__________________
71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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#13 |
Just hang'n around
Join Date: Nov 2005
Location: Camano Island WA
Posts: 248
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Re: Help! Truck won't stay running
Yeah, check the cap and rotor. I went to (if I remember right) a 12g wire for power...not direct though, it goes through the ignition switch. Vacuum leaks can also cause flame outs but not failure to fires.
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Driving a '68 Chevy C20 and a '93 Astro Van. Lots and lots of mileage that I deduct each year. |
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#14 |
Registered User
Join Date: Jan 2006
Location: Texas
Posts: 1
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To offer an option
Sounds like it might be a slack timming chain that has jumped a tooth maybe..... ![]() *Pi |
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#15 |
Senior Member
![]() Join Date: Oct 2005
Location: south carolina
Posts: 658
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Re: Help! Truck won't stay running
Everybody seems to say the same thing so just be careful of the backfires, they tend to let your vehicle catch fire that way. You may want to check the power wire where it connects to your dizzy.It could have come loose. Good luck.
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1972 chevy cheyenne 10,nothing special at the moment,Its a work in progress, Working on the engine, paint and body,engine, paint and body,now its the suspenion, ahh hell I'm about tired of working on it. Maybe it will be a rat rod. ![]() |
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#16 |
Registered User
Join Date: Jun 2002
Location: Knoxville Tenn.
Posts: 3,058
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Re: Help! Truck won't stay running
Carb is flooding on you. Remove all plugs and see if they are wet. If wet crank engine over to clean out cylinders of raw gas. Install new plugs. Disconnect fuel line on tank side of pump. If it starts let it run until it uses all gas in carb. Reconnect fuel line. If there was a piece of dirt under one of your float needles the on rushing gas should wash it out (if you are lucky). If not luckly remove top of carb and clean needle seats.
(above advice carries no written warrenty)
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56 Chevy Bel-Air 2dr. HT (purchased new) 71 Chevy Cheyenne SWB PU (502HO) 65 GMC short bed step--work in progress and my gofer |
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