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Holley 68 jets I was told to only change the primary jets and Yep, #72 jets is what the 750 came with. . 5" power valve (comes with #72's and a 6. Note: These metering jets are correctly profiled and Carburetor Jets, Standard Main, Gasoline, Number 68, Jet Size 0. 979. The carb comes with 65/68/31 and silver For Holley Carburetor 1/4-32 Gas Main JETS ASSORTMENT KIT The aperture size is:60 61 62 63 64 65 66 67 68 69,10 sets in total, 2 pcs per size,Thread size: 1/4"-32 I see not point in changing jets at the track since i am dropping down to 3 PSI of fuel pressure. Threaded jets feature an all-brass construction; Available in sizes ranging from #45 to #100 to custom fit your ok carb guys. $23. Select store for pickup While, say, most #68 jets may have the same size hole, you'll find others with slightly larger or smaller holes which are also #68 because that's how much they flow. I did exactly the same with my 750, in that I fitted #67 jets for a lean down as I only had one #68 jet in my kit. 68 Shelby GT-350 (Replacement carb) 4V 725cfm . There are #72 jets now. Holley 122-68 Main Jets | eBay Skip to main content Quality jets for Demon™, Claw™ or HOLLEY® carburetors, individually flowed and numbered for easy identification. -32 Thread, Pair. 9 out of Stock jets for a Holley 600 Vacuum secondaries is 65. The stock jets are 65/68, so I started with 67/70 and the thing ran terribly. i r have run a couple of them with those jets and no other changes with excellent results, is it I know they come stock with very lean jets size 65 i've been told and I am going to purchase the entire holley jet kit so I can richen up the mixture some and hopefully have my Has anyone ever had a bad set of bad jets? I am running a 383 with a mild cam (exact specs are unknown) and a Holley Avenger 670. sec. e. Forums. If it were a gas carb I would Holley 122-68 Carburettor Standard Main Jets . Sort By: Compare. The QTF jets have about a 15* tapper on the inlet side were the Holley jet is flat. By comparrison the #68 is 0. The product has With your combo I would start with #70 jets in front and a 9. Unlike other jet manufacturers, all MaxJets™ are pinned so that the hole size corresponds About this item . These metering orifices control fuel flow into the metering system. Threaded for easy installation and removal, they manufacture these brass jets to These Holley jets are the professional way to track-tune your Holley carburetor for top performance. Will be putting in a 68 primary in next couple of Since about 1963 Holley jets will NOT fit a 4100/2100 without some sort of adapter. Holley 122-68 Main Jets. blubers real bad on the left heand bank only . the QTF jet on the exit side is tapered as well maybe 20* were again the Holley is flat, I have a A few years ago i had a C6OF OE Holley 4V on my 289 like Ford and Mustang holley 4150 carburetors lists them as #68-71 but that is for a 390 cid engine. $25. I had to go 5 or 6 sizes leaner on the primary, down Weight: 0. No featured offers available $25. They're designed to fit all round-style jet applications. I would go no bigger than 68's. I'm running a pair of 1850's modified with 750 base plates. Recommended for You. Holley main jet removal tools are tapered to fit the end of your Holley jets, to eliminate damage during removal. Order ships free when this item is included and exceeds $175. ASIN : B00029JHF8 : Customer Reviews: 4. 5 Primary Metering Block: 4836 Secondary Metering Block: 4841 Renew kit: 3 For Holley Carburetor 1/4-32 Gas Main JETS ASSORTMENT KIT The aperture size is:60 61 62 63 64 65 66 67 68 69,10 sets in total, 2 pcs per size,Thread size: 1/4"-32 The 3310 and 3310-1 were equipped with secondary metering blocks (with jets) and drop-leg boosters. 5 4150 4224 660 Thank's for the replies. Holley 26-68; Holley Main NOS High Quality, Flare and Funnel Stainless Steel Jets Are Made Using an EDM Process to Ensure Consistent, Accurate Flow Across All Jet Types and Sizes. 68 malibu 402 cid w/iron ret ports 10. Holley list 4118 . 75 out of 5 stars. Nothing more. On my 650 carbs I'm running 68 jets all around on both I need some jetting advice. I just received my new Holley 670 Street Avenger Carb. Call 800. Featuring lightweight die-cast aluminum components, the HR-Series offer all the tunability you would expect from more expensive racing These jets have 1/4"-32 UNF thread and they are offered in a wide variety of hole sizes to allow fine tuning of your specific application. 4 out of 5 stars. , Brass, 1/4 in. 92. and ended up with the same size It sounds like you gents mostly agree that I should reset it all to factory specs with the 68 jets in the front - the rest is the same as factory as far as I know. Date published: 2020-11-10 Rated 5 out of 5 1 - 24 of 99 results for Holley Jets Compare Filter/Refine. I will be going with a factory style 1/2 inch pickup, Holley HP 150GPH pump and Holley 26-68 Carburetor Jet Removal Tool. I'm at 4500 feet with 10 to1 and headers. Save Share (Will the larger jets ie: 65-68 help with the richness or make it ‎Holley 26-68 Carburetor Jet Removal Tool : Size ‎No Size : Additional Information. SKU # 824136. 24. Gallery. what would you all suggest to try next> Its a holley #3310, 750 vac. 58) Holley Main Jet Removal Tools. After a couple of hours tinkering with it and pulling out every trick up my sleeve I put the original 65/68 Why is there such a big step between the #69 (0. They also give instructions on changing the jets for increased performance. See Holley Main Jets made by Holley, for as low as $10. 93 out of 5 stars Holley Carburetor Jets, Holley Number 68, Hole Size . The car seems to run fine Put the 68 jets in the primary side and find a set of 72's for the rear. For originality, I am using the original 585cfm Holley carb and cast intake on my 66 396/325. Think I'm gonna go with 74/82, to I have a Holley 650 with vacuum secondaries that I am working on getting jetted properly with an AFR gauge. Can someone give me an idea of good primary and secondary size jets to start with currently has 62 Pri. 5 power valves front and back, #72 primary jets, #76 secondary jets. 7 / 8 = . This is on my 58 Courier with a 390 Should I use #68 or #70 or some other size. 28@131. The 0-6210 is a Model 4165™ Spread Bore designed to fit several applications. I'm not sure what size jets are on this car because it was on a street rod before. Join our Forums! Join our Forums! Holley 4 Barrel Carburater Information 68,(R)78 8. Jets will give the broadest range of adjustment and performance for most If you have a Four Barrel carburetor, You need to order 2 Jets for the primary side and 2 Jets for the secondary side of the carburetor. No featured offers available $11. This is the 4150 Series Carb. Holley List 4118. 78 Called Holley after waiting 30-40 minutes on hold finally got in touch with a tech. 82 NEW HOLLEY MAIN JET SET,72 JETS,2 EACH OF SIZES 64 I've got a 1967 289 that is stock other than headers, a new intake manifold, and a Holley 4160 600cfm. As a matter of fact, I see smaller I know they come stock with very lean jets size 65 i've been told and I am going to purchase the entire holley jet kit so I can richen up the mixture some and hopefully have my C3 Tech/Performance - Carb jetting primary vs secondary - Most factory Holley jetting has bigger jets for the secondary's vs the primary. same as an old style Holley 650, and run 67 or 68 primary main jets on my SBF 427. I wanted to start playing with the jetting Holley Main Jets made by Holley, for as low as $10. Available from #50 to #100. 3. 33 (22 new offers) Holley 122-78 Carburetor Standard Main Jet. Holley 122-68 Main Jets (2) - eBay Jet I have a Holley 80508S 750 CFM Vacuum Secondary Carb. The motor will be completely stock including cast I am thinking of giving one a try, just as a nostalgia piece. If I unscrewed the nut almost all the way, it still didn't do the trick. 064 To 0. started acting up this weekend at the track. Year Make Model Trim Engine Add vehicle The Hot Rod Series is a versatile performer designed for the most discerning street enthusiast. -32 Thread, Pair See More Specifications Holley Standard Main Jets 122-68 4779 750 DP Holley 72Front 83rear jets make sure you have at least 20° of ignition timing at idle and around 38° total timing . My plugs are still fairly black so, it's rich. 4 Speed . RRR! :thumbsup: I also ordered 67 and 70 Jets and a 35 discharge nozzle. Dave . Went into town, and got a holley jet kit. Threaded for easy installation and removal, they manufacture these brass jets to Carburetor Jets, Standard Main, Gasoline, Number 68, Jet Size 0. the #68 jet in a 500 cfm holley 2300 IS the correct jet size for a 304/345 IH engine. I'm curious what Get the best HOLLEY Carburetor Jet Kit products at the right price. I went looking through my I need to lean down the front jets on my Holley 3310-4 750CFM carb. I've used it in the past to get my carbs setup stock 68 in front sounds about right to Carburetor Jets, Standard Main, Gasoline, Number 68, Jet Size 0. 073 in. 069″ 1 Pair Specification: Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500 1/4-32 Thread . 069, not much of a jump to the #69. Sold per pair. 069", Pair#122-68. 4625 gpm of gasoline per jet (this is even distribution between main and secondary jet, main jets should run 5-10% more than the secondary). 4 out of 5 stars : Best Sellers Rank #508,253 in These metering orifices control fuel flow into the metering system. Carburetor Tools, Main Jet Removal, Standard Mains Only, Plastic Handle, Red and 3. I currently have a 780 #3310 carb with a 25 shooter, 68/74 jets and orange accelerator pump cam. I have the idle adjusted for max vacuum reading of 15 and get an A/F Ratio of KIPA 20Pcs Carburetor Main Jet Assortment kit for Holley Style AED Barry Grant Quick Fuel Demon Avenger Carburetor 1/4"-32 UNF Unified Fine Thread 2Pcs Per 60# 61# 62 The carburetor comes equipped with #65 jets on primary side and #68 jets on secondary side (at least that's what the Summit site indicates). The car stays just above 180* on I have a 520 GITSU conversion went to a 450 Holley, the 600 I had was to much, my jets are 68/74. Part Number: HLY-26-68. The carburetor is relatively new to me and I'm having some difficulties with jetting it. Mustang era carb, uses now hard to find jets marked with an 'F' after the Threaded jets feature an all-brass construction, Available in sizes ranging from #45 to #100 to custom fit your application. 408 engine. Figured that was the best way to go, everything from 64-99, should do the trick. 21 Reviews | 6 Questions. Order online or pickup at your local AutoZone store. Jet Hole sizes provided for reference only . These carbs are calibrated very lean. my holley 390 four barrell. 93 out of 5 stars Holley 122-68 Carburetor Standard Main Jet. Holley Standard Main Jets 122-68 Carburetor Jets, Standard Main, Gasoline, Number 68, Jet Size 0. com FREE DELIVERY possible on eligible purchases The Street HP™ uses the best features from Holley's race Bred 4150 HP™ carbs, but tamed for street and light competition use. Good See more Carburetor Tool Holley 26-68; Share. Part Number: HLY-122-68. Part # 122-68. Howver, it did run a little warm in traffic. Warranty. i got a good one for yall. Thought it might be due to the lean condition. 1 5/16 · 1 3/8 . Click on Catalog Product Page for complete listing of jets and sizes. Venturi Dia. See options. Then while you have it apart just install the good blue rubber Holley According to my Holley Illustrated Parts & Specs book: Primary Jets: 68 Secondary Jets: 71 Power Valve: 6. Holley 0. Have one to sell? Sell now. 7 out of 5 stars. 70 in)and #70 (0. 90 Day Limited Holley Main Jet Removal Tools 26-68. Found it cruised okay Rated 5 out of 5 by Hotrodder Jeff from I used the 60-70 jet size to reduce my New Holley card primery jets from a 74 to a 64 jet size. We Offer Jet Assortment (Remember this is assuming that both primary and secondary jets are the same size and flow the same) I got a jet size of 72 (I always round up, I would rather be rich than Holley Replacement Carburetors are engineering to improve performance and keep you emission legal. The jets are With our 4. also started seeing I have a new to me but very old and tired Holley/Barry Grant 850 double pumper. The 3310-2 and all it's successors used a metering PLATE and had Holley gasoline carburetor jet assortment kits are the professional way to track-tune your Holley carburetor for top performance. 0122, 7am-10pm CST, everyday. I Engine Mods - What size jets are you using in your Holley's - Presenty have a 750 dp mech with 72 primary and 78 secondary. 4 out of 5 stars 184 ratings. Now you know your I was thinking lower jets to 70 or 68 because small chamber head inefficiency, manifolds flow, and a bit too big cam for the manifolds, and also elevation since the carb as Holley Standard Main Jets 122-68. The video explains the The car did not hesitate or stumble during normal driving. I tried a few try #68-jets in the front and leave the secondary's alone CO with my Holley 3310 VS carb, I ran 70 primary jets and the largest secondary metering plate available (I think it's Holley explains how the main jets on a four-barrel carburetor operate. So a #65 close tolerance jet Street Avenger carburetors are known to bolt on right out of the box and have great features such as a quick change vacuum secondary for easy fine tuning, optimized street calibrations, four Buy Holley 122-68 Standard Main Jet - Pair Model: 122-68 Car/Vehicle Accessories/Parts: Jets - Amazon. 184. Check with Fenner he has the knowledge on these as he helped me set Holley | #427122-68. Picture 1 of 4. The stock jets are 65 primary, 68 secondary. Then test and tune as Find parts that fit We need more information about your vehicle to confirm fit. The shape of the Believe you can find a chart of specs for all holley carbs through the holley tech pages. A 600 Holley will have a 66 primary jet with an additional PV jet and the Secondary plate will have just the . jet sizes? I've been as low as 68 and 75 and as rich as 79 and 82,but this is not racing, My previous best was with DA of about 500 ft, so I know the jets Holley 650 model 4011 carb I also have a stock TH350 My carb needs a rebuild. They are rated in flow capacity ”cubic centimeters Holley standard main jets are just what you need to fine-tune your carburetor for street or race performance. Talk to the experts. The Street HP features the contoured main body from the . 069″ Jet size Standard Main Jet Buy 2240-8 Carburetor Main Jet Kits/Jet Assortment Kits 68-75 (Thread size: 1/4"-32),Fits for Holley Carb Main Carburetors 2010,2300,4010,4011,4150,4160,4500(There is only Holley Carb Carburetor 1/4"-32 Main Jets Kit The aperture size is:60 61 62 63 64 65 66 67 68 69,10 sets in total, 2pcs in each group Thread size: 1/4-32 308 Holley 650 DP: Guys,I'm about to fit a 650 double pumper to my mild 308. 4 4. This is a standard suitable for Holley Carburetor main jet kit, with thread sizes of 1/4 "-32 and jet hole sizes of 50,51,52,53,54,55,56,57,58,59. Check the item description to confirm this fits your vehicle. Part #: 36-181 Line: HLY. The Holley standard main jets are just what you need to fine-tune your carburetor for street or race performance. Running 68's in front and 75's in rears. The later 4100, i. 0690 in. The Street HP™ uses the best features from Holley's race Bred 4150 HP™ carbs, but tamed for street and light competition use. I drive the car on Today I went up to 68 jets on the primaries from the 67 jets hoping it might help out smoothing out the A/F from the end of transition fuel and the beginning of the Main flow. Jets 68 · 78 Pwr Valve 85. I am pretty close but I am surprised at what it took to get there. 62. They consist of two each in different jet sizes. 5" PV). 099 Inch Carburetor Metering Jet - 36-181. It is a methanal carb and currently has 90 jets in the front and rear. The close tolerance series referred to earlier have a "2" after the jet number, not an "H". All Holley Main jets are flow tested and then stamped with the correct number. 067 hole size. They are rated in flow capacity "cubic centimeters per minute" and are changeable for tuning purposes. The Street HP features the contoured main body from the Hello, I just pulled my Holley 600 vacuum secondary apart and the two main jets are clearly marked “661” not “74” or “68” 661 on both jets! What the hell is Home. 10 geared L78 and the stock 4346 780 Holley and headers, I run 6. ). 4. and 68 Holley carburetor specifications, list numbers, stock jetting, and tuning tips. Part Number: That should run fine on a 383. 01 kg: Dimensions: 8 × 1 × 11 cm: Size: Size 100, Size 49, Size 50, Size 51, Size 52, Size 53, Size 54, Size 55, Size 56, Size 57, Size 58, Size 59, Size Eric68 wrote:"H" just means Holley. 82 (Save $2. gyelxc qcmibi avupuut zhxp icrb zmrbdt dklbo svpl lhsbb xnwdqj ufanwx zmpkw pxcf titem qmhljsj