Holley date codes.

EFI - Fuel Injection. Carburetors. Carburetor Components. Fuel Pumps Regulators and Filters. Also in Air & Fuel Delivery. Air Cleaners. Air Scoops. Cold Air Intake. Fuel System Kits.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 updateRe: 1969 L78 3959164-GE Holley date code. 1A3 = 3rd week of November, 1971. It's a service replacement.Sniper EFI. sniper. Installation. If you're installing a Sniper EFI system and almost ready to crank it over for the first time, this is the video for you! author. Staff Writer. 1714 Posts. An Article About. Video.

Using the MSD Pro 600 CDI with Holley EFI. How to install the easy to use Sniper EFI Hyper Spark Ignition System. Universal Wire Set Installation Instructions. Import Vehicles. MSD Troubleshooting Techniques. Magnetic Pickup in the distributor. Tachometer Operation. Engine Run On. Modifying AMC oiling for performance.A hot rod staple for over four decades! Dual feed fuel inlets assure you get all the fuel you need while its vacuum secondaries and manual choke make it amazingly universal. Plus, its classic Gold Dichromate finish provides serious muscle car looks and durability. The famed 0-3310 is one of the ten original inductees into the Hot Rod Magazine Speed Parts Hall of Fame! It was originally ...

I have one Holley 4346 #3959164 three number date code copo carb, very clean and complete, and a 4346 #3959164 four digit date code, Just the main body.I think the second carb was a service replacement carb for …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.

And yes, the date codes on Holley carburetors are decoded as follows: first number is the year (in this case 1969), second number is the month (in this case 4 = April), and the third number is the week it was produced (in this case 2 = second week).Dec 10, 2008 · 183 posts · Joined 2007. #2 · Dec 11, 2008. The Holley Illustrated Parts & Specs Manual states thus: LIST-3418-1A (1AAS) IS an OEM Holley carb, listed for 1966/1967 Corvette 427 engine, 425 horsepower, looks like the real deal. The LIST-3418 carb, NO suffix, is the came carb, listed for 1966 Corvette 427/425 only, probably the earlier carb ... I've also been told that later year Rally wheels had a 2 digit year (to eliminate the duplication) but my 1979 Corvette with a body drop date of B19 (Sep 19 1978) that has factory original rallys with a date code of K-1-8 8 <hole> 31 AZ which is Aug 31 1978.It should be the Julian date code, a carb with 2156 would have been built on the 215th day of a year ending in 6. Steve R . ... Holley uses a -x with a series number that appears after the list number on its aftermarket performance carbs with an airhorn. You just need to go by condition and appearance. As for age, I think Edelbrock carbs went ...

06-10-2021, 09:00 PM. Very much agreed. I'd love for Holley to develop a software/hardware process that would allow Sniper users to add inputs for stuff that's actually important (and helpful for troubleshooting) such as fuel pressure, oil pressure, oil temperature, etc. I'd pay for this capability. 1987 IROC-Z Camaro.

C1 & C2 Corvettes - Holley 2818 Date Code - I have two questions here. I'm found a Holley 2818 carb dated 4B3 for my 65 327/350 that has a F1215HT pad stamp. First, when a week number is determined, does it matter if it is a full or partial week? Looking at the December 1964 calendar below, is it safe to assume that...

Shop my Monthly Faves Shop my Amazon Faves. Make up FavsDate Codes . Home Choke Circuits Date Codes Exploded View Part Numbers Q & A Setup Specs Vacuum Secondary Spring Chart ... Holley Four-Digit Date Codes. First Three Digits. Fourth Digit. Julian Date Stamp. Month. Year. Regular Year. Leap Year : Stamp. Year. 001-031. 001-031. January. 3 . 1973/1983/1993: 032-059. 032-060.It originally came on a 1965 Z16 Chevelle. It was made the first week of May in 1970. A foreign car bought is an American job lost! Correct, this is for a used Holley carburetor List 3310. It has the GM part number on it of 3878261 EH which is correct for the 1965 Chevelle Z-16 with the 396 engine. However the date code on the carb is 051 which ...Holley date code question. Jump to Latest Follow 4K views 4 replies 2 participants last post by FEandGoingBroke Aug 15, 2007. 1. 1969SCode Discussion starter 292 posts · Joined 2006 Add to quote; Only show this user #1 · Aug 15, 2007. I'm trying to decode a holley date. The #s are: C7OF-9510-C ...The Holley code tells when it was actually cast. It is common that a 1963 design has a casting date of 1968. This is the numerical listing, aka Holley part number. This is what your carburetor is. List 3793, 4118, 2143-1, 4412 pictured. Ok last/bottom line is date code. Early versions had a three digit code.

Save $$$ w/ Holley Coupons: 33 Holley Coupons and Promo Codes tested and updated daily. Find the latest Coupon Codes and discounts for May 2024 on HotDeals.com. Deals. Coupons. Stores. Travel. Mother's Day Sale ... Expire Date Join Holley.com Today and Receive Additional Offers: $10.09 Average Savings: 06 May: Great Offer for Holley: 10% …This one's date code is 764, which translates to it being manufactured in the sixth month (June), 4th week of 1967. (It doesn’t have the center main body that “re-issued” carbs generally have and the date code is far earlier) I don't know that Holley stamped past date codes that early onto re-issue carburetor air horns either.Service parts will have four digit date codes Thanks, John . Logged Captain John Wykoff Destin Fire: October 31, 2015 at 0700--Officially Retired. pjbizjak. ... Holley date coding for 1973 - 1975 had a 4 digit code number!!!!! That would make it a service replacment for a 1969. Logged Captain John Wykoff ...My understanding is that prior to 1973 Holley used 3 digit date codes, after that they were 4 digit. 3 digit codes are year (first digit), month (second digit) then week (third digit). So your 042 date code would be 1970, April, second weekMeaning this DZ carb date code 8A3 was installed on either a 68 Z or an early production run of the 69Z? This carb would not have been on a 68 Z since the 68 model year was over when it (carb) was born but would have been on a somewhat early 69 model year Z/28 or L78 Camaro. Logged. Chick. 68 Z/28 NOR 01B Orig motor/trans/rear.Ken -- Thanks for posting the engine date decode sheet for the 430 engine. I'm trying to document the date code & part numbers for a Holley that The Old Cars Manual Project lists as being original for the 430 engine. Numbers stamped into the choke horn as follows: 5752426 List 1850 062

As for reading date codes on Holley carbs, there are 3 digit dates and 4 digit dates. The 3 digit dates lasted until about 1973. The first digit is the year. 6 = 1966, 0 = 1970. The second digit is the month. 2 = February, 9 = September, 0 (for 10) = October. The last two months used letters, A = November, B = December.

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° LSA H/R camshaft, Trick Flow R-Series FTI Comp Ported ...Topic: Holley Date Codes: FZ-28's Member : posted March 06, 2004 05:44 PM 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 ...IIRC, Holley used 3-digit date codes up to 72-73 time frame, then went to 4-digit date codes (year+Julian date). That would make that a 1975 July carb or thereabouts. Rhino: When Holly went to the four digit date code around 1972-73 the format they used was Julian Date + Year. The Julian Date was 3 digits and the year was a single digit.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. Original equipment for 1966 Chevelle 327 w/P.G. (exc. A.I.R., Sp. H/Per.) Holley 3613 4-barrel carburetor dated 641 - 6=1966, 4=April, 1=1st week.Holley started using four digit date codes in 1973. So I second what Velox said about the year of manufacture being 1978, 1988, etc. Holley has made special production runs of various carburetors over the years. I have an undated List 3810 that was purchased new in 2006.If you own a vehicle with a carburetor on it, sooner or later you'll want to rebuild it or maybe replace some service parts! But how do you know that you a...

Below the list number is a date code that will contain no more than four (4) digits. See Figures below. Figure 1 Figure 2 Figure 3 Figure 4 Figure 5. EXPLODED VIEW - MODEL 2010. NOMENCLATURE - MODEL 2010 Ref. No. Description Ref. No. Description 1 Choke Lever and Swivel AssemblyFast Idle Cam Plate Screw 2 3 Fast ...

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.

This is aa Holley vacuum secondary 600 cfm carburetor for early 70's Ford applications as it has the lever for the Ford kickdown on it. The date code is 3151. Looks to be all there other than it does not have an inlet fitting.This link may help: http://www.holley.com/data/TechService/Technical/Carb Numerical Listing.pdf The date codes on factory Holley carbs were 3-digits up to 1973, and 4 digits thereafter. The 3 digit format was year-month-week, and the 4 digits were julian date (day 001 to 365 of the year) and last digit of year (doesn't clarify which decade though).The Holley code tells when it was actually cast. It is common that a 1963 design has a casting date of 1968. This is the numerical listing, aka Holley part number. This is what your carburetor is. List 3793, 4118, 2143-1, 4412 pictured. Ok last/bottom line is date code. Early versions had a three digit code.13. Updated: May 1, 2024. We searched for the latest codes! Recommended Videos. Haze Piece codes. A Piece Codes. NEXTCODEAT400KLIKES —Redeem for 3 Race Spins,15 Gems, and a Stat Refund (New) VALENTINES2024 —Redeem for 3 Race Spins and 30min x2 EXP. LETSGO375KHAZE —Redeem for 3 Race Spins, 15 Gems, …Date Code System Change. Prior to using Hermle movement date codes, early movements before the year 1987 have just the stamp of the year on the back of the clock movement, 81 just means 1981. From 1987 on they used letter codes instead of numbers to represent the year made. Such as the year 1988 is only marked with the letter A instead, and ...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 ...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. ... Join Date: Oct 2020; Posts: 394; Share Tweet #1 Sensor Warning Flag On Datalogs 11-12-2020, 03:11 PM ...jimne1 Discussion starter. 3 posts · Joined 2009. #1 · Nov 16, 2009. I'm trying to understand the date code on a 3310-1 Holley. All I know is it is a true 780 CFM with downleg boosters and it came off of a GM car. Byeond that I'm stumped. The date code stamped beneath the 3301-1 is shown as 241. I have yet to find any reference that would ...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.Cataclean - Fuel and Exhaust System Cleaner. Motorcycle and Powersports. View Allfrom Parry Sound Ontario Canada. 1963 8 406 Holley 4160 2652 1 C3AE-C 998. Although the build date of your carb is 1964 "probably over counter Ford replacement" I would sell it to a collector and buy a "NEW" Holley with the cash! Holley date codes that old use the first number as the year "4",second number as the month "September" and the last ...

Holley started using four digit date codes in 1973. So I second what Velox said about the year of manufacture being 1978, 1988, etc. Holley has made special production runs of various carburetors over the years. I have an undated List 3810 that was purchased new in 2006. I talked to a couple of Holley reps back in 2010 trying to find out …Holley still offers original list number carburetors for highly collectible muscle cars. Over time these carburetors have been nearly impossible to find, but no longer. These are NEW nearly exact reproductions of the originals. List Number 0-4790 is the 500 CFM "Outboard" Six Pack Carburetor that Originally came on 1970-71 Chrysler 340 CID Engine Applications with an Automatic Transmission ...13. Updated: May 1, 2024. We searched for the latest codes! Recommended Videos. Haze Piece codes. A Piece Codes. NEXTCODEAT400KLIKES —Redeem for 3 Race Spins,15 Gems, and a Stat Refund (New) VALENTINES2024 —Redeem for 3 Race Spins and 30min x2 EXP. LETSGO375KHAZE —Redeem for 3 Race Spins, 15 Gems, and a Stat Refund.Instagram:https://instagram. how to turn off closed captions on xfinitytelemundo channel on verizoncatholic theology professor jobsroblox decal ids codes When connected with a Holley EFI it will show details of the connected EFI. Update Firmware New or additional features developed by Holley can be added to the Digital Dash by updating firmware. These updated firmware files can be obtained by contacting tech service (270-781-9741 or 1-866-464-6553) or they subaru ej25 head bolt torque specshave some cheese crossword clue Date Codes . Home Choke Circuits Date Codes Exploded View Part Numbers Q & A ... Holley Four-Digit Date Codes. First Three Digits. Fourth Digit. Julian Date Stamp. Month. ingram rv alabama 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.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!As for reading date codes on Holley carbs, there are 3 digit dates and 4 digit dates. The 3 digit dates lasted until about 1973. The first digit is the year. 6 = 1966, 0 = 1970. The second digit is the month. 2 = February, 9 = September, 0 (for 10) = October. The last two months used letters, A = November, B = December.