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post #1 of (permalink) Old 09-11-2003, 12:11 PM
jonestown
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After I get to temp hard to start?

Ok after I get to temp, 190 F, and shut the cj5 off it is hard to start back up. I have to hold the pedal to the floor and it will finally kick over. I thouoght it might be vapor locking so I replaced the short metal fuel line with a rubber hose but to no avail. When it is cold, the 304, it will crank right up, what is going on. Any ideas or suggestions? Thanks Eric [img]images/graemlins/thud.gif[/img] [img]images/graemlins/givemebeer.gif[/img]
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post #2 of (permalink) Old 09-11-2003, 12:18 PM
 
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Re: After I get to temp hard to start?

my camaro is doing the same thing right now. i'm 90% sure the headers on its are cooking the starter. do you have headers on the 304. if so, try to wrap the starter in a heat shield.
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post #3 of (permalink) Old 09-11-2003, 01:40 PM
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Re: After I get to temp hard to start?

Does it crank slow when it's warm (190f)?
If so, I agree w/ mc yj, I had that problem w/ a 3/4 ton chevy.
It may also be that you have a bad battery. I had a battery that when warm would lose power (something about the reservoir separators breaking down (I think)). AutoZone told me that it was OK, so w/ no other choice I took it to an electrical specialist who, for $40, told me to get a new battery. Problem was solved.

If it doesn't start any better when you jump it, it aint the battery, it's the starter or a bad connection somewhere.

Just my $.02
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post #4 of (permalink) Old 09-11-2003, 04:03 PM
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Re: After I get to temp hard to start?

Hey guys it will crank over just fine ie battery/starter but I have to give it alot more gas to get it started. I have to pump it a few times then push the pedal to the floor then it will start. When it is cold most of time I don't have to pump the pedal. Hope this clarifies. Thanks Eric [img]images/graemlins/40BEER.gif[/img]
post #5 of (permalink) Old 09-11-2003, 06:55 PM
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Re: After I get to temp hard to start?

i agree with mcyj my 72'chevelle did same so i put a thin brass shield at header , not to engine , to block heat to or on starter , worked fine
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post #6 of (permalink) Old 09-11-2003, 09:13 PM
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Re: After I get to temp hard to start?

Check the choke to make sure it opens after warm up. Pressing the go pedal to the floor forces the choke open through the linkage. Does the exhaust smell rich at warm idle?
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post #7 of (permalink) Old 09-11-2003, 09:22 PM
 
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Re: After I get to temp hard to start?

check the gas cap
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post #8 of (permalink) Old 09-12-2003, 11:15 AM
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Re: After I get to temp hard to start?

Mine Does the same thing, I would be interested in the answer also

I've been thinking since my carburator sits right on top of the exhaust manifold that the fuel is vaporizing in the carburator and pushing it to the floor sends fresh gas in there?

It's definately a Pain

Clint
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post #9 of (permalink) Old 09-20-2003, 01:37 PM
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Re: After I get to temp hard to start?

</font><blockquote><font class="small">In reply to:</font><hr />
I thouoght it might be vapor locking so I replaced the short metal fuel line with a rubber hose but to no avail.

[/ QUOTE ]
Rubber lines will cook gas faster than steel lines. Try finding a carb heat shield for the intake manifold, or insulate the fuel line with something, this might help.


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