Holley date codes.

9.5" POWER VALVE ASSEMBLY WITH GASKET FORD 2100 2150 4100 MOTORCRAFT AUTOLITE. $9.99. Trending at $19.98. Find many great new & used options and get the best deals for Holley List 1272 Carburetor Date Code ECZY 4150 Series at the best online prices at eBay! Free shipping for many products!C1 & C2 Corvettes - Holley 3810 date codes????? - I have two Holley carbs. both numbered 3906631-DA list 3810. But the date codes are 943 and 984. I checked all of my books and only the 67 corvette is listed using this number, does anyone have info. on other Chevrolet applications using these numbers?.Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. Thus, Holley can not guarantee an answer or timing on an answer. Announcement. Collapse. No announcement yet. MSD 8546 Date Code. Collapse. X. Collapse. Posts; Latest Activity;ZIP Code 14470 is located in the city of Holley, New York and covers 65.075 square miles of land area. ZIP Codes cross county lines, and 14470 is primarily assigned to Orleans County. However, is also covers mailboxes located in Monroe County. According to the 2020 U.S. Census, there are 7,648 people in 3,255 households.

Holley is home to the top automotive performance brands including Flowmaster exhaust, MSD Ignition, Holley EFI, Hurst Shifters, Accel plug wires, Hooker Headers and many more.1702 posts · Joined 2006. #1 · Feb 28, 2009. Have a guy trying to sell me an original Holley DZ carb but I'm not sure the date code is correct. Here are all the numbers on the choke horn: 3923289-DZ. LIST-4053. 0523. Correct or service replacement? '74 with roller 454, TH400 3K stall and Ferd 9 w/ 4.20s".

Our date code converter is here to help. It supports numerous formats mentioned in our How to Read Expiration Dates article and their variations. Simply enter the code (like 052124 or 13156) into the input below and click the button to see the converted date. Convert. Holley Coupons can help you save $21.58 on average. You get a discount on 20% OFF when you buy Holley's goods from holley.com. According to statistics, a person who participated in 20% Off Srp at Holley saved an average of $21.58. Coupon Codes are widely used to give you discounts on whatever you buy. 10%.

Jan 15, 2015 · 01-14-2015, 09:52 PM. There are no visual indicators without a laptop or a Holley Digital Dash. If certain sensors failed it would just run like crap, others it may not run at all, and some would make little to no difference if the tune was spot on. You can create a warning output that can be triggered by numerous things. The suffix code F0415ZI stands for F= Flint, Michigan engine plant, 04=April, 1966, 15=day of April and ZI=Chevy II special hi performance with manual transmission. The ZI suffix code will not be found on any other car, except the 66/67 Chevy II L79. D76 is the casting date of the block. D=April, 7= day of the month and 6=1966.Most Rochester-built Quadrajet carburetors were given a four-number date stamp. This code can be deciphered as such: the first three numbers are the day of the year (082x = 82nd day of the year) the carburetor was built. The last number is the year (0828 = 82nd day of 1968). All Quadrajet fuel inlets are in one of two positions.It is authentic for 1969. Because of that date code that is way passed the end of 65-67 GT350 production the desirability is only slightly better (because of MFG differences ) then one of the new re issue carburetors that are available now. Logged. Bob Gaines,Shelby enthusiast, Shelby collector , Shelby concours judge SAAC,MCA,Mid America Shelby.I recently bought a used MSD 8546 Pro-Billet distributor. It has a C7 stamped in the body. Is there a way to find out how old it is from this stamping? It also has aluminum spacers that hold the cap down. Which I don't see on the newer version. Thanks, Shane.

Battery date codes are alphanumeric codes printed onto marine, automotive and other batteries that tell a user when the battery was shipped from the manufacturer. Battery date code...

first carb: 1374. sec carb: 2502. These should be the date codes, but im used to seeing 3 digits. So if you can help, I would be happy. Thanks. '69 camaro, was orig …

released before the next EFI software release will be put on the Holley.com. Software Feature Updates: • NA . Software Bug Fixes/Updates: • NA . Version 6.0 Build 320 - Initial Release 08/14/2023 Matching Firmware Version - HEFI_06003200.eep (6.0 Build 320) Who should updateHolley EFI V5 firmware update for 7" Digital Dash, Version 5.0.7. 7 in. Digital Dash Firmware - V4. Contains the latest V4 553-106 7" Digital Dash Firmware, includes Digital Dash Tuning Software. 7 in. Digital Dash Firmware - V2/V3. Holley EFI V2/V3 7" Digital Dash firmware and instructions. Get help from other Gear Heads!Can someone decipher Holley date codes? rhw. Fuel Injection, Carburetion & Fuel System. 2. 05-16-2007 09:25 PM. Date codes. camperspecial65. 1961 - 1966 F-100 & Larger F-Series Trucks. 2. 06-12-2004 05:54 PM. Back to Subforum. 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks. View Next Unread.Looking for love? More and more people are, and there's no doubt that finding your match online has made it easier for many, and opened up possibilities for people who felt stuck o...Use promo code FREEDOM20 to get a free t-shirt when you order our new 525 LPH drop-in fuel pump module for Fox Body Mustangs!... Holley · July 2, 2020 · Use promo code FREEDOM20 to get a free t-shirt when you order our new 525 LPH drop-in fuel pump module for Fox Body Mustangs! ...

Jul 1, 2011 ... Below the Holley list number is the three-digit date code, which can be deciphered as follows: The first number designates the year of ...The Holley EFI 6.86" Pro Dash is customizable with a variety of gauge and indicator screens that can be ... GPS lock and to keep the current date and time. "Clean" = a connection that does not share the same connections as "dirty" sources such as coils, a starter, solenoids, fans, etc., that have a lot of electrical noise or solenoid ...The date code on the trim tag is 03A (Leed's Plant) on a 70SS 454 w/M22. My question is …what would be a proper date code on the 4557 Holley? 1970 SS LS6 original drive train - one owner Astro Blue - Ivory bench - M22 - 4:10. Save Share. Like. Sort by Oldest first Oldest first Newest first Most reactions.Ok, I have 2 carbs, holleys, and under the list #'s is as follows: first carb: 1374. sec carb: 2502. These should be the date codes, but im used to seeing 3 digits. So if you can help, I would be happy. Thanks. 1374 = 137th day, year ending in 4, like 74, 84, 94. 2502 = 250th day, year ending in 2, like 82, 92 etc.There's a three digit number on the face of the air horn. Normal Holley date code is deciphered as follows: The 1st digit refers to the last digit of the calendar year The 2nd character represents the month The 3rd digit represents the week of the month Example: 543 5 = 1965 4 = April 3 = 3rd week of Aprilfour digit date code is one. Holley went to Julian dates composed of four numbers: the first 3 digits are the day of the year, the fourth digit is the last digit of the year. For instance, a date code of 0311 would mean that it was built on the 31st day of the year (Jan - uary 31st) and the year is either 1971, 1981 or 1991. A date code ofMany years ago I swapped the stock 2bbl on a 400 to the holley street dominator, using a 650 speadbore holley. It was a great set-up and ran far better than stock and better mileage. I loved that set-up. Maybe it wasn't the best set-up for max power but it was a huge improvement over stock. 489 chevy. Top.

Jul 14, 2011 ... ... date codes by less than upstanding individuals. Check the castings to confimthe date codes. 1. C6DF9510M List 3530 623 = 3rd week of ...It could be 1979, the four digit date code started in the seventies. Usually all the seventies carbs have slotted bowl screws, not the hex that's seen on later Holley's. It is a service carb for the 67 Corvette but correct in every way. I would not worry about it and just use it for yourself.

Note the date code of 072 indicates it is a dealer service part since the date code is 1970, July, 2nd week. Another 3310 Holley (GM number 3878261EH) used on the 1965 396 L72 (Z16) engine. Again a service part with a date code of 142, or 1971, April, 5th week. Holley 3230 4-barrel carburetor dated 502 - 5=1965, 0=October, 2=2nd week.Re: Holley 3310 date code. Joe; The 3310 was originally installed on the `65 Chevelle Z16, but it also became an over-the-counter universal replacement carb as well, and is still produced by Holley today, although the current version has little in common with the original version save for the LIST number.Decoding Ford Carburetor date codes . Autolite carburetor use a 3 or 4 digit date code system. Starts with the year on left, a letter in the middle for the month and a 1 or 2 digit number on the right depicting the day of manufacture. this tag is typical of an Autolite 4300 carburetor, C8ZF-A with date code 8B13.Holley uses the jullien date code, 1908 corresponds to the 190th day of a year ending in 8. After every major design change Holley changes the number after the dash (-), hence this carb was manufactured after their 7th revision. Last I saw they were the double pumpers were -9, but that was a couple of years ago.Re: 1969 L78 3959164-GE Holley date code. 1A3 = 3rd week of November, 1971. It's a service replacement.Date codes on Holley FE Carburetors Date codes on Holley FE Carburetors. my68gt. 109. my68gt. 109. Post Sep 26, 2012 #1 2012-09-26T17:13+00:00. My 68 Mustang GT Fastback (S code) I purchased quite a few years back and recently restored is all original except for the Holley carburetor (appears to be a "period" service replacement). I have begun ...2300-EG Diagram. 2380-EG Diagram. Holley 5200 5210 5220 6500 6510 6520. Parts Page. Diagram. Holley 2280 6280. Parts Page. Diagram. Holley 4150 4160 4165 4175 4180 4190.Jul 1, 2011 ... Below the Holley list number is the three-digit date code, which can be deciphered as follows: The first number designates the year of ...These carb tuning aspects are discussed on our "HOLLEY TUNING TIPS" webpage. THE FOLLOWING IS A PARTIAL LIST OF HOLLEY LIST #'S FOR SOME OF THEIR MOST POPULAR CARBS. IT IS NOT A COMPLETE LIST OF ALL CARBS MADE BY HOLLEY OVER THE YEARS. LIST # CFM STOCK JETTING POWER VALVE TYPE. 1850-2 600 (F)66, (R)plate 134-9 6.5 4160.

Holley Carburetor Identification Codes. ENGINE . HP

That's doubtful - there are no documented instances of 4-digit Holley date codes being used on OEM production-line carburetors prior to 1972. There were occasional variations noted in the use of alpha codes vs. numbers during the 3-digit date code years, but the 3-digit date code format was used exclusively on OEM carburetors in the 60's.

Can someone decipher Holley date codes? rhw. Fuel Injection, Carburetion & Fuel System. 2. 05-16-2007 09:25 PM. Date codes. camperspecial65. 1961 - 1966 F-100 & Larger F-Series Trucks. 2. 06-12-2004 05:54 PM. Back to Subforum. 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks. View Next Unread.Milwaukee uses a six-digit code engraved on the battery. The first four digits represent the manufacturing date, while the last two digits represent the year. For example, the code "1234 20" means the battery was manufactured on the 123rd day of 2020. If the code is "0518 18," it means the battery was manufactured on the 5th day of 2018.Jul 27, 2015 · C1 & C2 Corvettes - 1965 Corvette date codes/VIN & trim tags, stamp pad. ... ( lift, duration), roller tip rockers, correct Holley carburator, new correct air cleaner ... Holley 3916143-CT Value? ... The date is the key and if it just happens to work for someone that is looking. Team Camaro Gold Member #14 1969 Camaro RS/SS Azure Turquoise 1969 Camaro Z/28 Azure Turquoise 1984 Camaro Z28 L69 33K orig miles, 1987 Monte Carlo SS 25K mi original owner.Date codes are found on the carburetor air horn. Expect to see three lines stamped in factory installed and service replacement Holley carburetors-Ford part number, Holley List number, and the ...C8OF AA List 4174 Carb. Original Ford Holley 4 Barrel carburetor. C8OF-9510-AA List 4174 834. 1968 1/2 428 Cobra Jet Mustangs, Cougars and 1968 Shelby GT-500KR 4 speed. 834 date code, breaks down as the 4th week of March, 1968. Metering blocks are stamped 5673 and 5671. Still retains the original tag mounted to the bowl vent tube, not the choke ...Holley Carburetors 4 digit Numeric date codes. This sample casting number from a 1970 carburetor with date code 0995 . 09 9 5. Day of the year . 099 = 99th day of the year . 1 to 365 099 5. Year . 5 =5th year. 1975, 1985 or 1995 : More then likely this carburetor was built on the 99th day of 1975 .I have read conflicting information on what date codes were used for original and replacement Holley carbs during the 70's. I just purchased a carb that the seller stated up front is a factory replacement carb and not to be confused with a correct date coded carb that can be used on a numbers matching car. The stamping on the air horn reads ...The numbers include the model number, usually 7 digits, a change letter, signifying changes during the model year, and a date code. The stamping or part number decodes as follows: Example: #70 2 8 2 1 9 DG 1938 . 70 - Prefix code. "70" will appear on all late '60's Rochester Carburetors. 2 - Decade produced. 2 - 1960's

Dominator EFI Tuning & Tech. May God's grace bless you in the Lord Jesus Christ. '92 Ford Mustang GT: 385"/6.3L SBF, Dart SHP 8.2 block, Eagle 3.470" forged steel crankshaft & H-beam rods, Wiseco 4.200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration/.623" lift/114° …Find many great new & used options and get the best deals for Holley 3139-1 Carburetor 3874898 -ER ..Date Code 142 at the best online prices at eBay! Free shipping for many products!600: 37-119 37-933: 6-506 122-66: 134-9134-128: 125-65 0.025: Plain 108-83-2: 108-89-2 108-90-2: 108-27-2 134-101: 134-105 112-20: 1-1/4 1-5/16: 1-9/16Instagram:https://instagram. natick mall in massachusettsamador sheriffmount sinai hospital internal medicineprosper wayland michigan Crank Sensor - Red #6 AFTER startup. 12-17-2021, 08:46 PM. Hello Holley EFI folks! Having some issues just recently after a first shakedown of my LS swapped Datsun. Running a Terminator X 24x harness and a L33 5.3L Just recently (engine and Terminator X has 55 miles on it) once the engine starts to warm up I'm getting a horrendous misfire ... session id prestige portraitslanta bus 101 holley carb date code? Jump to Latest Follow. 2K views 5 replies 4 participants last post by Jim Mac Nov 25, 2021. Jim Mac Discussion starter. 12597 posts …The top of the stamp shows the GM part number 3886101E1, the midportion is the Holley list number, 3247. The DATE CODE which you are asking about is the bottom area, on mine it is 612. If yours has a 4 digit stamp there, it is not original, it is a service replacement built later. The 3 digit code as in my 1966 Holley identifies 6 (the year ... flight b6 128 Expiration dates on food are tricky. They mean different things on different foods. Understanding the difference could save you money. Keep this information handy so you don’t thro...ZLP955. 3654 posts · Joined 2011. #3 · May 19, 2014. ^^ x2. CRG's Carb page states "Service parts assembled 1973 or later will have four digit date codes" for Holley carbs, so it could be 73, 83 etc as Jon said. 1969 04A Van Nuys-built Z/28. Cortez Silver with dark blue interior and VE3. Sold Clippinger Chevrolet. Raced at Lions in LA.