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Re: Are all US carbs junk? [Re: JohnRR] #1388235
02/16/13 04:38 PM
02/16/13 04:38 PM
Joined: Oct 2007
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Oregon
hooziewhatsit Offline
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Quote:

More than likely being in cali the yota carb is not vented to the atmosphere , the holley is and the gas is evaporating .

try this next time it sits for a long period of time .

Before starting it pull off the air cleaner , look down in the carb wit the choke open and pump the throttle by hand , if you see fuel squirt the bowls have fuel , if you don't see fuel then the bowls are empty and the car isn't going to start till you crank it and the fuel pump fills the carb up enough for it to start.




Once more for emphasis.

If it doesn't squirt, crank it over 10 times, then get out and check again. Repeat until you get fuel to the carb. THEN go in the car, pump the the throttle a few times and see if it starts. With no choke you may have to pump 5 or 6 times.

Once you know how long to crank BEFORE you pump the throttle, repeat it each time you start it up.

Or, install an electric fuel pump.


If you ever find yourself in a fair fight, your tactics suck.
Re: Are all US carbs junk? [Re: hooziewhatsit] #1388236
02/16/13 04:47 PM
02/16/13 04:47 PM
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Ohio
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jlatessa Offline
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Maybe some nice tight-fitting hose caps over the bowl vents when not driving it? Might last a little longer.....

Joe

Re: Are all US carbs junk? [Re: Mike H] #1388237
02/16/13 05:39 PM
02/16/13 05:39 PM
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Loves Park, IL
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HotRodRailroader Offline
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Quote:

HotRodRailroader, I haven't heard of the green gaskets. Think they make them for the original Carter carb? Are these gaskets in a normal carb rebuild kit?




Holly has just released them within the past month or two. They are greenish blue in color and saw them at a hotrod shop.

Re: Are all US carbs junk? [Re: hooziewhatsit] #1388238
02/16/13 07:42 PM
02/16/13 07:42 PM
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Overpriced Housing Central
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Go to any pharmacy, I go to Target, and get a FREE kids liquid medicine syringe. Use them all the time to prime empty carbs so I don't kill a battery or starter.

Squirt down the vent tube and flip throttle lever until squirter is active. Fill with 2-3 syringes and go.

Re: Are all US carbs junk? [Re: HotRodRailroader] #1388239
02/16/13 07:44 PM
02/16/13 07:44 PM
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Out in Left Field, NY
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Installing a choke, manual or automatic, will make the whole process less aggravating. it won't solve the evaporation issue, but it will get the fuel pulled up quicker.

Re: Are all US carbs junk? [Re: bobs66440] #1388240
02/16/13 08:10 PM
02/16/13 08:10 PM
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Pangaea
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I always fill a Holley thru the vent after the car sits. I don't like spinning a motor over with no oil pressure while the mech pump slowly fills the bowls.

Re: Are all US carbs junk? [Re: B5 Bee] #1388241
02/16/13 08:36 PM
02/16/13 08:36 PM
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Grand Prairie,Texas
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Spinning the motor builds oil pressure.

Re: Are all US carbs junk? [Re: stumpy] #1388242
02/17/13 09:29 AM
02/17/13 09:29 AM
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Mississippi
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Mr. T Offline
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I used to have the same starting problems when I used a 750 DP Holley on my 360. It was a fine line in giving it enough fuel to start without flooding it. My cure was to buy a QuickFuel Hotrod series carb. It is a 680 c.f.m. It comes with a electric choke,(which I have never hooked up). It has vacuum operated secondaries, which make it much harder to flood. It has worked well for me.

Re: Are all US carbs junk? [Re: stumpy] #1388243
02/17/13 03:54 PM
02/17/13 03:54 PM
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Granite Bay CA
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Quote:

Spinning the motor builds oil pressure.




It also puts additional wear on every moving part until the REAL oil pressure builds after the engine starts!

Re: Are all US carbs junk? [Re: Kern Dog] #1388244
02/17/13 04:12 PM
02/17/13 04:12 PM
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Grand Prairie,Texas
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My motor turns over about 4 times and I have oil pressure. I don't think there is much wear there. Besides that it doesn't take a lot of pressure to lube a non running engine turning over at very low RPM.

Re: Are all US carbs junk? [Re: stumpy] #1388245
02/17/13 04:27 PM
02/17/13 04:27 PM
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Rogue River, OR
Jeremiah Offline
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I have a bunch of vehicles that are not driven regularly. Some have Holley (or QF), some have carters, and one has an Edelbrock. I never have much trouble starting any of them if there is fuel in the bowls. There are so many elements that could be giving you trouble it is hard to guess what it could be. If you want to call me the next time you have trouble shoot me a PM for my cell number.

Re: Are all US carbs junk? [Re: Jeremiah] #1388246
02/17/13 06:32 PM
02/17/13 06:32 PM
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Harrisburg, Pa.
screamindriver Offline
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So after wading through the thread here's what came out...
It's a holley carb with no choke that sits for weeks at a time and does'nt fire right up.. ...And this would be normal under most conditions..

Add some fresh fuel down the vent tube as others have stated and illustrated...I have a very small funnel that fits right in there and makes the job easy pouring from a small cup or can..

And now with no choke you need to pump the gas while you crank and let it fire...If it stumbles pump the gas a little to keep it going until the engine RPMs come up and will run on it's own...And that means babysitting it for a while without a high idle circuit...
I'm not a fan of adding an electric fuel pump{or a carb with no choke for that matter} for a guy who is'nt on top of all the carb troubles that come from long periods of sitting..You could easily turn the carb into an olympic torch if something is leaking or sticking with the electric pump pushing fuel...
And on that note no matter what brand or how many carbs on the engine you need to watch the carb for any signs of leaking which means leaving the air cleaner off until it's up and running...I never just jump in a vehicle after a long slumber and start cranking without checking and watching the carb{s} as it cranks...All it takes is a dried up gasket,stuck float etc...And you've got big trouble...Good Luck...

Re: Are all US carbs junk? [Re: stumpy] #1388247
02/17/13 06:50 PM
02/17/13 06:50 PM
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Pangaea
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Quote:

My motor turns over about 4 times and I have oil pressure. I don't think there is much wear there. Besides that it doesn't take a lot of pressure to lube a non running engine turning over at very low RPM.




Well then, you're good to go, grind away!

Re: Are all US carbs junk? [Re: B5 Bee] #1388248
02/17/13 07:07 PM
02/17/13 07:07 PM
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Downtown Roebuck Ont
Twostick Offline
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About 90% of engine wear happens while starting.

Kevin

Re: Are all US carbs junk? [Re: Twostick] #1388249
02/17/13 09:42 PM
02/17/13 09:42 PM
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Grand Prairie,Texas
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I doubt that very much. At least after 50 years as a mechanic I've never found that to be true. The wear doesn't happen while cranking it happens after it starts until it warms up.

Re: Are all US carbs junk? [Re: stumpy] #1388250
02/17/13 10:35 PM
02/17/13 10:35 PM
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ERAT340 Offline
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Adding fuel by hand or electric is a band aid STOP the bowls from emptying by blocking the exhaust heat passage under the carb. Problem solved.

Re: Are all US carbs junk? [Re: ERAT340] #1388251
02/17/13 10:44 PM
02/17/13 10:44 PM
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Kirkland, Washington
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Quote:

Adding fuel by hand or electric is a band aid STOP the bowls from emptying by blocking the exhaust heat passage under the carb. Problem solved.




Ummm....the last two 440 Holley setups Ive had both had blocked crossovers and still exhibited this problem. After about two or three weeks of sitting the bowls were obviously dry. But if it was only a few days it was fine.

Re: Are all US carbs junk? [Re: Pacnorthcuda] #1388252
02/17/13 11:49 PM
02/17/13 11:49 PM
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Blocking the heat riser in no way will stop this kind of problem. You can delay the effects by some amount (who knows how long) by blocking the riser and using an insulator under the carb. Still going to be dry after "x" days.


I want my fair share
Re: Are all US carbs junk? [Re: stumpy] #1388253
02/18/13 12:21 AM
02/18/13 12:21 AM
Joined: May 2003
Posts: 6,561
Downtown Roebuck Ont
Twostick Offline
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Quote:

I doubt that very much. At least after 50 years as a mechanic I've never found that to be true. The wear doesn't happen while cranking it happens after it starts until it warms up.




Actually I think we are both right to a degree. What I should have said was that the max wear occurs during cold start, from the time you hit the starter until it's running and the oil pressure stabilizes. From then until it reaches operating temp I believe it is still elevated but not to the degree it is on a cold dry start.

If the engine doesn't start and you continuously crank it, it stands to reason the rings will take more of a beating because the cylinders get most of their lube from the rods as they fly by so in that case I would think excessive cranking would cause the most damage.

I do know that Caterpillar sells a pre-lube pump that runs off the starter motor. You find them mostly on stationary industrial type equipment. A separate solenoid engages just the motor which drives a pump and after say 10-15 sec of full oil pressure it cranks the engine minimizing the dry start.

Kevin

Re: Are all US carbs junk? [Re: Twostick] #1388254
02/18/13 12:37 AM
02/18/13 12:37 AM
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Grand Prairie,Texas
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Diesels are entirely differnt animal because of very high compresion while cranking compared to a gas motor. Apples to oranges. In the OP's case the fact that there is no gas to wash the oil from the cylinder walls ring damage from happening.There is only a minute coating of oil because the bottom of the three rings the oil wiper ring scrapes the oil off the cylinders.

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