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Old 04-08-2020, 10:57 AM   #1
jerry shook
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Default Hard to start.

51 ford truck. Cranks easy when cold altering driving an turn it off after 10 min it just turns a lot before starting. It has an electrionic chip. Do I need to adjust carb.
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Old 04-08-2020, 11:29 AM   #2
Seth Swoboda
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Default Re: Hard to start.

A very well tuned and efficiently working ignition system is a must. All components of the ignition system need to function 100% to eliminate hard starts, from my experience. I run a traditional points system, Skip Haney rebuilt coil, new wiring also. My distributors have been set up on a Sun machine by both Bubba and Michael Driskell at Third Gen Automotive.
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Old 04-08-2020, 11:30 AM   #3
corvette8n
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Default Re: Hard to start.

Does it have a coil, when they get hot they can fail.
You need to trouble shoot before you go adjusting stuff.
Pick one either fuel,spark,compression, and trouble shoot each until you find the problem.
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Old 04-08-2020, 11:44 AM   #4
Mart
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Default Re: Hard to start.

Sounds like the carb is over rich for some reason.

By cranks easy I suppose you mean starts easy.

Try slowly opening the throttle before trying to start. slowly enough so you don't pump even more gas down there.

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Old 04-08-2020, 12:26 PM   #5
G.M.
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Default Re: Hard to start.

Can't help you when chips are installed. Stock is nice. G.M.
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Old 04-08-2020, 02:58 PM   #6
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Default Re: Hard to start.

The wrong resistance coil to match the Module ,may need a ballast , is it 12 volt
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Old 04-08-2020, 03:46 PM   #7
jerry shook
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Default Re: Hard to start.

It is still 6 volt. I put the coil that is suggested for the electronic chip. Starts an runs great when cold an when you stop for 5 min just touch the button an it fires right up. but if you are 15 min it turns a lot before starting. Then it runs great. I have moved timing an adjusted carbutor still the same.
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Old 04-08-2020, 03:54 PM   #8
Mart
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Default Re: Hard to start.

Does it fire up better if you open the throttle?
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Old 04-08-2020, 05:18 PM   #9
jerry shook
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Default Re: Hard to start.

It is the same if you give it gas easy or continue to give it gas. Still spines a lot before starting.
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Old 04-08-2020, 05:28 PM   #10
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Default Re: Hard to start.

Jerry Tyi a little gas down the carb ,see if its drain back, OK not that ,does it puff smoke out the pipe when finial fires
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Old 04-08-2020, 07:09 PM   #11
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Default Re: Hard to start.

I presume you are running Pertronix ignition, which has a good reputation on 12 volts and has been very reliable on my 12 volt flathead. But Pertronix has a less reliable record on the 6 volt version. Solid state electronics get flakey if they get too hot. So starting and running with the distributor directly in the fan breeze may keep the 6 volt unit running fine. But sit for a while with no cooling and the engine heat transfers to the distributor to the point that the ignition fails. Just a theory!

This theory can be tested. Run till the engine is hot. Shut down and immediately check the spark to see if it will jump half an inch with a blue spark. Then wait 15 minutes and check it again to see if the spark is weak, like yellow spark will barely jump a quarter inch. It that is the case, swap out the Pertronix to get a more reliable unit, or go back to points.
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Old 04-08-2020, 07:23 PM   #12
JM 35 Sedan
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Default Re: Hard to start.

That sounds similar to a problem I once had with excessive gas leak down from carburator into intake manifold caused by a faulty power valve, or PV seal.
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Old 04-11-2020, 08:45 AM   #13
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Default Re: Hard to start.

Quote:
Originally Posted by G.M. View Post
Can't help you when chips are installed. Stock is nice. G.M.
get rid of the electronic stuff
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Old 04-11-2020, 10:26 AM   #14
tubman
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Default Re: Hard to start.

From everything I have seen and heard, aftermarket electronic ignition systems have caused more problems than they have solved.
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Old 04-16-2020, 03:36 AM   #15
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Default Re: Hard to start.

Quote:
Originally Posted by tubman View Post
From everything I have seen and heard, aftermarket electronic ignition systems have caused more problems than they have solved.
Agreed .The more I go on the more I realize that most modern improvements aren't improvements at all !
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