Lots of cranking to get started? - Team Camaro Tech
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post #1 of 9 (permalink) Old Dec 29th, 05, 04:34 PM Thread Starter
 
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Lots of cranking to get started?

I am looking for some advice on a starting problem. When hot, I have to crank the starter for 10 seconds or so to get it started. When It does start, it is very rough for about 5 seconds and then smooths out nicely. Car runs great and no other problems other than this starting problem. Could this be a vaccum advance issue? Any ideas are welcomed.

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Steve
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post #2 of 9 (permalink) Old Dec 29th, 05, 04:40 PM
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Don
 
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Re: Lots of cranking to get started?

Put a 1/2" phenolic spacer under that Holley carb, or a 1" would even be better if you have hood clearance.

The gas in the carb percolates when hot soaking.

Also check the float levels.

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post #3 of 9 (permalink) Old Dec 29th, 05, 06:15 PM Thread Starter
 
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Re: Lots of cranking to get started?

I do have one of those spacers.
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post #4 of 9 (permalink) Old Dec 29th, 05, 06:27 PM
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Re: Lots of cranking to get started?

Is your spacer aluminum or does it look like wood? If it is aluminum it won't help at all with heat soak. From the description, I agree that could very well be the problem.

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post #5 of 9 (permalink) Old Jan 1st, 06, 06:49 PM Thread Starter
 
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Re: Lots of cranking to get started?

The spacer is not aluminium. It is that wood looking plastic stuff. I bought the spacer before the problem started.
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post #6 of 9 (permalink) Old Jan 1st, 06, 11:16 PM
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Re: Lots of cranking to get started?

Too much choke perhaps? If you are running an electric choke, those things tend to cool down when you shut the engine off - even after the engine is warmed up good. If it is choking too much it will give you the problem you described.

If you tap the accelerator pedal before starting it will set the choke. If you don't tap it, the choke will stay open. Any chance you are tapping the pedal on your hot engine, when no tap would work better? Carberated engines have a personality all their own and it seems each are a bit different. If you don't caress them the right way, they'll give you trouble.

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post #7 of 9 (permalink) Old Feb 5th, 06, 08:02 AM Thread Starter
 
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Re: Lots of cranking to get started?

I have a 1/2 inch phenolic spacer. Could it be that 1/2 inch is not enough and I should try a 1 inch spacer to dissipate heat?
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post #8 of 9 (permalink) Old Feb 5th, 06, 08:18 AM
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Re: Lots of cranking to get started?

I agree with Dave. I always do a hot restart without touching the gas pedal, fires right up. Then if I start driving right away, it wants to fast idle a bit until the electric choke warms up.





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post #9 of 9 (permalink) Old Feb 5th, 06, 08:33 AM
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Re: Lots of cranking to get started?

1/2 is enuff , 3/4 is better depending on your hood clearance. All you want to do here is lessen the heat soak from the manifold.

As mentioned also , check the choke setting ,, it should only come on at low temps and when it does,, make sure the choke flap is not closed all the way,, leave about 1/4" open..

Need to also check your power valves,, they could be leaking into to manifold at shut down , then flooding the manifold floor with fuel.

Don
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