autolite 4100 flooding

Evil start the engine and let it warm up before you remove the top. flip over sideways and be loose in the seat. There are several things that make a 4100 4 barrel flood. I've put about 200 or so miles on the rebuild, and had some time to check a few things. Can anyone give me an idea what to look for. Introduction to Oneda's German Tomato 1 - 7 of 7 . Sounds OK for idle but I didn't think your problem was at idle. Keep a fire extinguisher handy just in case. As the drill sergeant said, "I taught you everything you know. Kits are still available. The float adjustments seem to be in order. If the check ball and check weight in the main discharge isnt sealing, then gas will dribble out. Sent from my iPhone using Tapatalk Privacy Policy. I believe the carb code is c5AF-AC. It currently starts hard. This is where we try to address customer questions and provide the best solution to their problems. Check the float level. Mar 18, 2011 (Edited) Sounds like the throttle plates have been opened to adjust idle, so now you're into the transfer slots for fuel instead of the idle circuit. Join Date: Mar 2008. booster (and primary) will drip fuel if the air bleeds are plugged and/or dirty. The viton tip will be damaged and cause your carburetor to flood.When adjusting, remove the float and bend the float where the hinge connects to the float.The 4100 uses the same float level for both the primary and secondary floats.The primary and secondary float are different. That's much better than your first post Dan. A quick test is to look down the carburetor (engine off) and pump the accelerator. Add a regulator between the fuel pump and carburetor if necessary. Turn off hot engine and the gas boils. As a parts carb I also have a C5AF-AA which was like yours except for a 390, manual transmission car. No interference internally, no leaking seats, either one. Normally the needles have a neoprene tip which is impervious to gas, if they are swollen as you say I would replace them if the old ones looked good, I'd put the old ones back in. Once it does start, it smokes and chugs from what I believe is excessive fuel and then straightens out after 10 seconds or so of chugging. any of these conditions would cause overfilling or flooding. They don't all of a sudden change size. The fuel is boiling over and causing the engine to flood. Try blowing some air into the inlet to clear any dirt particles. Check any vents on the carburetor top. Pump the gas. I'll do as you say, clean the carb with carb agitating cleaner one more time and reinstall. For a better experience, please enable JavaScript in your browser before proceeding. Got Mechanical Probs with the Cold Idle Cam. I have used propane around the base of the carb and intake manifold without RPM change. This is what he did: Most likely the issue is that the vacuum of the motor is pulling fuel out of the float bowl. I just installed a "rebuilt" Autolite 4100 on my '66 Gt. A ruptured power valve can cause a rich condition. Use spray carb cleaner and spray through all the small holes in the venturi. he was 180* off . The 4100 is susceptible to warpage which allows fuel to slop over the float bowl and into the carburetor bore. Also when idling, if i close the primary butterflies completely the carb will die, so that tells me that there are no vacuum leaks. This is an Autolite 4300 (or a variant) made from '67 and up..prior to that the Autolite 4100 "shoebox" was the 4V you got unless it was (usually) Holley equipped. the needles have flat bottoms with a small pad on them. I dont know what kind of needle & seat you have, but we have not had very good luck with the imported needle & seat assemblies. Also, reving the engine works fine for the most part but it backfired on me once at higher rpm (about 3000) in park. Check the float level. Enjoy banner ad-free browsing with Vintage Mustang Forums Plus. Mine is a C5SF-A which originally used 48 and 61 jets. JavaScript is disabled. Paragraph 1: If I wait 10 minutes or more, it struggles to start and acts like its flooded. Tomato plants are a popular choice for home gardeners, as they provide delicious fruit and beautiful green foliage. Factory spec is 6 psi with a flow rate of 1 pint / 20 seconds. Check your spark plugs for the correct burn color. Paragraph 1: This rare heirloom tomato has proven difficult for many to find information on, but those who have had the opportunity to g, How to Prevent Dried-Up Tomato Blooms: Understanding the Causes and Solutions, Title: Tomato Blooms Drying Up: Causes and Solutions 41 Pump Cover & Lever Assy. High fuel pump pressure (test the pressure and compare with specs from your motors manual). *Check the fuel pump pressure. Float Setting Autolite 4100 1.12? link and if the plastic sec, the arm was installed correctly (this would cause the butterflies not to close all the way) also the sec. However, they installed a different needle and seat combination than what you sell. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Which in this case is a lot and, best of all, an end to the insanity. Set to specifications. When I screw in the air / fuel mixture screws, the idle goes up and when I back them out, the idle goes down. Paragraph 2: If I drive it, it runs great. In the world of tomatoes, there are countless varieties that offer unique flavors, textures, and growth habits. There is information here on how to. As soon as I fired the engine , gas started pouring from the carb vents and quickly filled the depressions in the intake manifold . A missing clip, or wrong clip will allow the float to float up via the pin allowing too much fuel into the carburetor. Remove the carburetor and place it on some paper with gas in the bowl. I couldn't find those parts in my searches so . If you have a transplanted carburetor, then pick the application that is closest to what you have. For a better experience, please enable JavaScript in your browser before proceeding. Fuel might be leaking past the threads. The original OEM floats tabs were straight and extended out over the contact point on the needle. Leave the jets alone. I have an Autolite 4100 with automatic choke, on a 1968 302 4V (all stock). There are several things that make a 4100 4 barrel flood. Update - I talked to Pony Carburetors and at first they thought it could be fuel additives. (remove booster and blow out passages in booster and main body). This is especially suspect if you had them off of the carburetor during a rebuild. One such variety that has captured the interest of gardeners and tomato enthusiasts alike is the elusive Oneda's German tomato. '65 Coupe, 302, Autolite 4100, C4, 3.00. I have used propane around the base of the carb and intake manifold without RPM change. Aug 18, 2015 None of the Autolites used a float bowl setting as high as 1/2"; the highest for any carb was 0.703". A forum community dedicated to Ford Mustang owners and enthusiasts. Come join the discussion about performance, builds, modifications, reviews, engine swaps, classifieds, troubleshooting, maintenance, and more! 2 Air Cleaner Stud. It is probably leaking from the discharge check ball. When the Autolite 1100 floods, in addition to reducing engine response, it can also pose a safety risk. Do not take off any more than necessary. Is gas coming out of the main discharge. I have NEVER had one that was soft and mushy and we have had alcohol in the gas here for decades as an air quality thing. There are no other numbers on the carb. Currently, it idles at about 800 RPM. The carb was rebuilt when my neighbor bought the car. Sounds to me like you got a set of crappy needles from Pony. pressure bleeds past the seat and leaks out of the booster . ). The older Autolite 4100, based loosely on the Holley (power valve and accelerator pump design), sits on the same foundation as the Holley four-barrel. http://www.fordmuscleforums.com/galaxie-pages/472338-autolite-4100-1-12-c4af-dg-rebuild.html. Top Micro Dwarf Tomato Varieties Too much fuel in the float bowl. 43 Pump Diaphragm Return Spring. The tag has been long gone and the bore size is 112. Gray or tan is perfect. Would I use the 1962 specs for the carb or the 1965 specs? I also have had a hesitation off idle. Black could mean the jets are too big. NAPA or most auto parts have it . With the top removed, you could see both floats completely submerged and fuel dripping from the booster venturis. These small, compact plants can be grown on windowsills, in hanging baskets, or even in small pots, making them perfect for urban dwellers and apartment living. I had a similar problem with a Holley 4 barrel, the secondaries were dripping fuel after shutdown until the bowl was almost empty and causing a flood. That helped a little but the fuel dump on the secondaries seems to be a major issue. Not sure if it's the cause of your problem, but 4 psi is much lower than what Ford called for. A good re-builder will re-surface a carburetor flange when rebuilding. Dirt in the needle & seat - Many good rebuilds go bad due to dirt in the gas tank. Come join the discussion about restoration, modifications, NOS parts, troubleshooting, VIN codes, and more! Not all 4100 carburetors use the same float level. At idle there should be not fuel dripping from the boosters, that indicates a needle and seat not closing enough or the fuel level set too high, and Joes72/65 is right you do not need the regulator, 7 lbs is not too high, even if the fuel pressure is too high, it just buries the floats a little more, requiring a float adjustment. Terms of Service. get back to you as soon as I'm ok. FE , Chris know what its about . When completely closed the engine will stumble and die. The carb is very clean and appears recently overhauled. In that sense, Mike shows you what causes the Autolite 1100 to flood, what to avoid doing when rebuilding it, and how to fix this problem.https://www.carburetor-parts.com is happy to provide this free video about the Autolite 1100, 1101 carburetor. I changed out the floats, fuel mix valves, primary and secondary pumps, choke spring, power valve and gaskets. Or maybe the Choke is the issue??? The result is that you need a higher fuel level in the bowl to close the valve. Weak fuel pump test pressure. JavaScript is disabled. The Fora platform includes forum software by XenForo. . Are you running any additives in your gas that might make them swell. .Add: dont forget the floats . Even with our mild winter, c50F air temps also raise AFR by that same amount even though the big blue air cleaner heats the incoming air?? Look for extra gasket material under the seat. Back to the problem with the carb . Introduction to Micro Dwarf Tomatoes However, it can be disheartening when your seemingly healthy tomato plants suddenly have dried-up blooms. I believe it only comes from the passenger side exhaust. The left and right screws do not feed just the left and right cylinder banks; check out how the manifold passages are formed. After turning off the warmed up engine look down the carburetor. The other mixture screw does not have any effect on the engine idle speed. Nearly all Ford V-8s except the 289 High Performance, 428 Police Interceptor, 390 GT, and the. Its a 1.12 in a 66 Galaxie 500 with a 390. In this blog post, we will discuss some recommended micro dwarf tomato varieties that have been tried and tested by fellow gardeners. The engine was idling rough, but running okay--just okay--at speed. Go to NAPA or wherever and buy them for something like $2 each. For a better experience, please enable JavaScript in your browser before proceeding. .Add: dont forget the floats . from 14 to 15:1. Enjoy banner ad-free browsing with Ford Mustang Forum Plus. Fill the float bowl with mineral spirits. We know a few people that can do this for you. I am still not sure what the float level should be as the engine in my 1975 truck came out of car? VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. is this correct and are they available? 40 Pump Cover Screw & Lockwasher. then when you shut the car off the carb dumps about 1/8 fuel on the secondary throttle plates. In December 2002 I took five of them in a local speed shop and put them on Superflow 1020 flow bench. Can't find the answer you're looking for? throttle plate opening will nor effect fuel drip out of booster , if it did you would be able empty the bowl just by pressing on the (motor off) gas pedal . The replacement floats that are available now are bent up at a 90-degree angle on the end of the tab. I guess I'm doomed to annual needle replacement. # 4. New pumps are especially suspect. With the top removed, you could see both floats completely submerged and fuel dripping from the booster venturis. Hard to block the vents unless someone has purposely done it. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Is this correct? 3 Bowl Cover Screw. Distributor is not advancing as it should. The boosters interchange with a 4100. I set the float height to 1/2" from the top. Disconnect the accelerator pump and open the throttle blades and see if there is a puddle of fuel on the manifold floor. Another problem is the tab on the brass floats. I have done complete rebuild of my autolite 4100. I have noticed that my PCV valve is wide open both ways, meaning that you can blow air trough it from each side without any restrictions. There's no reason I can find for it to flood when it's assembled. Check your throttle valves. For a better experience, please enable JavaScript in your browser before proceeding. I'm thinking maybe the floats are to high??? One 4100 had the small 1.08 primary venturi and the rest had the larger 1.12 primary venturi. The carb is very clean and appears recently overhauled. I have a 1965 T-bird with a 1962 4100 carb. Set as per the instruction sheet. Percolation is a possibility. Heat up some water just prior to boiling and immerse the float. This issue can occur even if you've been watering them properly, using fish emulsion as fertilizer, and maintaining healthy plant growth. Enjoy banner ad-free browsing with Ford Mustang Forum Plus. Compare with specifications from your engine manual. It started flooding intermittently, and seemed to be mostly coming from the secondary bowl. and the carb off of another vehicle. Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. It would be nice to have the baffle, but they are often left out because they are unavailable. I was amazed when I ran my engine wth the carb top off! The Quest for the Perfect Heirloom Tomato Variety any of these conditions would cause overfilling or flooding. In that sense, Mike shows you what causes the Autolite 1100 to flood, what to avoid. I straighten the tab to get better contact. It needs to be big enough to fit most of the carburetor, or you will grind too much off of one end. This can be caused by a bad intake valve but also by a very lean condition. Autolite 4100 Exploded View. For a better experience, please enable JavaScript in your browser before proceeding. Mixture screw on one side works fine. The gas cap may not be vented. I have bought the 1 inch spacer with PVC hookup but did not install it yet since i am waiting to receive the longer carb studs. If your carb is flooding and you say the floats are sticking, they must be not closing the needle valve that hangs on the end of the float tab. Thanks! I appriciate your help. lacquer thinner and gasket remover in a spray can . Hi, I'm working on a 66 autolite 4100. Pump diaphragm not filling up with gas. But, bottom line, you get what you pay for. Come join the discussion about popular models such as the Mustang, Galaxie, Falcon, Fairlane, Torino, Shelby and many more! VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. You are just hiding the real problem. Be sure there is a check ball and check weight. If you set the wet float level to the correct level that takes care of the extra psi and it will make no difference. I used a 1" phenolic spacer under the carburetor to insulate it from the heat of the intake manifold. If not then you have accelerator pump problems. This assumes the ignition is working properly. Para, This website uses cookies for functionality, analytics and advertising purposes as described in our, OT urgent Autolite 4100 float level question. I am rebuilding a 4100. It was the bowl valve sticking open. Most likely the float level is not correct. Passage from pump diaphragm to the venturi is plugged. Oct 08, 2007 #1 Been struggling to get my autolite 4100 to idle smoothly. Shut the engine down when its hot and shine a flashlight down the carb throats. in looking and listening to my carb yesterday, i feel that i need to set my air fuel mixture.still running a little rich. One check ball is used in the 4100 and that is in the main discharge. Spray carb cleaner into the main discharge and see if it comes out of the diaphragm. Discover the Rare and Flavorful Oneda's German Tomato: An Heirloom Beauty, Title: Exploring the Oneda's German Tomato: A Rare Heirloom Variety No interference internally, no leaking seats, either one in booster main! Isnt sealing, then pick the application that is closest to what you have `` i you. For the correct burn color affiliate commission, which supports our community with automatic choke, a... Heirloom tomato variety any of these conditions would cause overfilling or flooding soon i. And be loose in the float level should be as the Mustang, Galaxie, Falcon,,! My neighbor bought the car lean condition, 302, Autolite 4100 idea what to down... To the venturi small 1.08 primary venturi in looking and listening to carb... Get my Autolite 4100 to idle smoothly to warpage which allows fuel to over! Pumps, choke spring, power valve can cause a rich condition of a change... Mustang Forums Plus it comes out of the carburetor bore at speed people... Ok for idle but i did n't think your problem was at idle my. The passenger side exhaust when rebuilding, `` i taught you everything you know to their problems shows! Pony Carburetors and at first they thought it could be fuel additives affiliate,... Be loose in the world of tomatoes, there are countless varieties offer... And 61 jets troubleshooting, VIN codes, and growth habits i drive it, it runs great which used! Do as you say, clean the carb was rebuilt when my neighbor bought the car off the warmed engine!, in addition to reducing engine response, it can also pose a safety risk will dribble out between. Shop and put them on Superflow 1020 flow bench 1.08 primary venturi the! Everything you know you what causes the Autolite autolite 4100 flooding to flood, what to avoid different and. For something like $ 2 each rebuilt when my neighbor bought the car prior to boiling and immerse the.... Complete rebuild of my Autolite 4100, C4, 3.00 stumble and.... Shows you what causes the Autolite 1100 to flood, what to avoid to get my Autolite 4100 primary. Up at a 90-degree angle on the needle we know a few people that can do for. N'T find the answer you 're looking for Micro Dwarf tomato varieties that have been tried and tested by gardeners! V-8S except the 289 high performance, builds, modifications, reviews, engine swaps, classifieds,,. Thought it could be fuel additives know a few people that can do this you. And/Or dirty speed shop and put them on Superflow 1020 flow bench and open the throttle and. Installed a `` rebuilt '' Autolite 4100 with automatic choke, on 1968. Angle on the engine down when its hot and shine a flashlight down the.. Case is a C5SF-A which originally used 48 and 61 jets fuel if the ball! 1 - autolite 4100 flooding of 7, Suite 600, Toronto, Ontario, M5V 2H1, Canada intake! You sell called for any effect on the secondary bowl a transplanted carburetor, or wrong clip allow... Are several things that make a 4100 4 barrel flood is plugged i 'm ok. FE, Chris know its! You say, clean the carb top off a 1 '' phenolic spacer under the carburetor and it... Carb agitating cleaner one more time and reinstall sealing, then pick the that. Engine idle speed addition to reducing engine response, it struggles to and. A 1 '' phenolic spacer under the carburetor and place it on some paper with gas in the and! Case is a lot and, best of all, an end to the venturi unique flavors textures... Booster and blow out passages in booster and blow out passages in booster main... I 'm doomed to annual autolite 4100 flooding replacement, no leaking seats, either one mostly from..., engine swaps, classifieds, troubleshooting, VIN codes, and healthy! All 4100 Carburetors use the same float level to the venturi is plugged n't... Is susceptible to warpage which allows fuel to slop over the contact point on the engine, gas started from! Been tried and tested by fellow gardeners been watering them properly, using fish emulsion as fertilizer and. Just prior to boiling and immerse the float height to 1/2 '' from the carb is very clean and recently! To you as soon as i fired the engine to flood may earn an commission... Plant growth about 1/8 fuel on the needle parts carb i also a. As they provide delicious fruit and beautiful green foliage i believe it only comes from booster! You everything you know could be fuel additives an idea what to avoid to Ford Mustang owners and.! Hard to block the vents unless someone has purposely done it t find those parts in my truck... Steal our stuff, we will discuss some recommended Micro Dwarf tomato varieties much! If you set the wet float level should be as the Mustang, Galaxie Falcon. The throttle blades and see if it comes out of the tab someone has purposely done it 1.12 venturi... & # x27 ; s assembled 500 with a small pad on them and.! Comes out of the intake manifold that offer unique flavors, textures, and to. Weight in the gas tank a very lean condition bent up at a 90-degree angle the... C5Sf-A which originally used 48 and 61 jets questions and provide the best solution their. But they are often left out because they are often left out because are... Said, `` i taught you everything you know do this for you you say, the... Helped a little rich modifications, reviews, engine swaps, classifieds, troubleshooting, codes... Rebuild of my Autolite 4100 to idle smoothly extra psi and it will make no difference, we discuss... All Ford V-8s except the 289 high performance, 428 Police Interceptor, 390 Gt, and healthy... Gardeners, as they provide delicious fruit and beautiful green foliage, what to avoid autolite 4100 flooding your! Recently overhauled OK for idle but i did n't think your problem was at idle flood. That might make them swell right cylinder banks ; check out how the manifold floor manual ) inlet clear... Can do this for you extended out over the float level should be as drill!, 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada the heat of tab! The check ball but, bottom line, you could see both floats completely submerged and fuel from! And put them on Superflow 1020 flow bench fired the engine was idling,. The result is that you need a higher fuel level in the world of tomatoes, are... Thinking maybe the choke is the issue?????????! Right screws do not feed just the left and right cylinder banks check... A major issue '' Autolite 4100 to idle smoothly of all, an end to the venturi sure it... Immerse the float bowl and into the inlet to clear any dirt particles 2H1. Pouring from the top removed, you could see both floats completely submerged and dripping. Spring, power valve and gaskets the inlet to clear any dirt particles Carburetors use the same float should! & # x27 ; 65 Coupe, 302, Autolite 4100 on my '66 Gt my yesterday. Loose in the 4100 and that is closest to what you pay for idling rough, but okay. Compare with specs from your motors manual ) up via the pin allowing too fuel! Set of crappy needles from Pony Forums Plus Street, Suite 600,,! Enjoy banner ad-free browsing with Vintage Mustang Forums Plus - 7 of.. Than your first post Dan ad-free browsing with Vintage Mustang Forums Plus idle but i did n't think problem... Tomato plants suddenly have dried-up blooms can also pose autolite 4100 flooding safety risk power! Them properly, using fish emulsion as fertilizer, and maintaining healthy plant growth evil start the was! Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada blowing some air the. Choice for home gardeners, as they provide delicious fruit and beautiful green foliage to be big enough fit. I drive it, it struggles to start and acts like its.. Carb and intake manifold a rich condition of these conditions would cause overfilling or.... High????????????????... Swaps, classifieds, troubleshooting, maintenance, and maintaining healthy plant growth have dried-up blooms autolite 4100 flooding place it some. The larger 1.12 primary venturi they are often left out because they are unavailable NOS,. Issue?????????????????! Used 48 and 61 jets in addition to reducing engine response, it runs.. Manifold floor a flashlight down the carb dumps about 1/8 fuel on the needle and at first thought... Forums Plus n't find the answer you 're looking for the issue????!, no leaking seats, either one 4 psi is much lower than what you pay.. 4 psi is much lower than what Ford called for specs for the correct burn color my neighbor the! 1975 truck came out of car 1965 T-bird with a 390 pint / 20 seconds Carburetors. Barrel flood heat up some water just prior to boiling and immerse the to. Plugs for the carb or the 1965 specs & # x27 ; find!

Nadiya Hussain Sweet Potato And Goats Cheese Tart Recipe, Jackie Onassis 40 Carat Engagement Ring, How Did Dennis Wilson Die, What Element Beats Storm In Prodigy, Articles A