Long Cranking Time Before Start-Up

[68beast]

I was wondering if there is any reason why it takes a long time to get the engine to start while cranking, especially after its been sitting a while. It doesnt seem like there is a lack of feul up by the carb during start up because it will take what seems like a long time to restart even if I stall it and it has been running fine up untill the stall. If the problem is the feul runs back into the tank, would adding a one-way valve somewhere work?

TIA,
Steven

 

[Kidney]

Could it be something electrical thats just old and not working as well as is used to? On mine all I do is pump the gas twice and it fires right up. I still have the good Ol' points and condensor.

 

[68beast]

Oh yeah electical, duh. Uhm I have petronix set up with everything else pretty much stock form with a brand new coil, resistor, spark plugs & wires. It has an older regulator and solenoid.

 

[broncnaz]

could be more of a timing issue than fuel issues. The SBF is known for easy starts set your timing at 10-12 degrees it should start with just a bump of the starter if you have fuel in the carb.

 

[74bronc]

Do you have an Edelbrock Carb, by chance?

Either way, crack the throttle about 1/2" while you are cranking. I bet that will help

 

[wildbill]

%) %) %) It could also be a bad starter if they drag they pull to much power to start. You should be able to have it tested and most auto elec. shops good luck. Bill %) %)

 

[76 explorer]

sounds too be like too much timing. most of the time you can tell by the way the engine is turning over that it is too much timing. but a while back my bronco was pretty hard to start ( but would turn over like normal) and just for the hell of it i decided to retard the timing a bit. from then on its been starting as soon as i bump the key over.

 

[76Broncofromhell]

I would have to disagree Explorer, I would say it's a combination of low timing (sounds like 6-8 degrees base) and a leaking accelerator pump and or fuel bowl. I've had this problem before with 2 barrel Holley's, the fuel bowl leaks on top of the butterflies when the motor is warmed up and just turned off. It doesn't really hurt it, it just makes hot starting a pain in the ass.

If you want to fix it, just get a simple replacement gasket for the fuel bowl and you should be good.

 

[68beast]

Do you have an Edelbrock Carb, by chance?

Either way, crack the throttle about 1/2" while you are cranking. I bet that will help

I pump the gas like crazy when i am starting it, and it still takes a long time.

 

[68beast]

%) %) %) It could also be a bad starter if they drag they pull to much power to start. You should be able to have it tested and most auto elec. shops good luck. Bill %) %)

What do you mean by drag? I do have starter issues, it doesnt engage the flywheel all the time, or right away, Sometimes I have to turn the key a couple of times before it engages and then it wont release right away when i turn the key to "on". Ive put in a combination of shims, and made sure the bolts were tight several times with no luck. The starter itself is a relatively new ford motor sports mini high torque starter.

The carb used to be an old carter 4bbl and just recently (yesterday) changed it to a truck avenger.

I guessing the timing idea is probly right because i know I have issues there. Once in a while when i turn the key to off, the engine will stay sputtering and will turn itself over a couple of times, isn't this called dieseling?

Im out of town for the weekend so I'll have to tinker with it sometime next week. Thank all of you guys for the replies, this site is awesome.

 

[broncnaz]

you shouldnt have to pump the gas to get it started maybe a 1/2 pump then hold the pedal down just a little. All that pumping just floods it out.