To obtain specifications on a Crower cam please enter the part number (00242, 15210, etc) or custom work order number (E23456, A7890, etc) located on the end of the camshaft. For online resources, check out NastyZ28.com, Kendrick-Auto.com or Chevy-Camaro.com which have detailed listings, or contact a Chevrolet parts department to identify the camshaft. These markings will usually be in the center of the camshaft, obviously in between the valve lobes. They include: The essence of knowing how to identify your camshaft makes it easy to avoid errors, unnecessary bills, and frustrations that come along with having the wrong camshaft. The 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and .328-inch lobe lift. Small Block Crankshaft Casting Numbers Lookup Type your crankshaft casting number in the SEARCH BOX below. Part Number: Type: DUR @ .050" Lift: C/R: LSA: Usage: 14093643: Hyd. So why did this cam not have a lope to it in the 283, from everything I am reading long . The greater number of degrees means there is less overlap between the intake and exhaust lobes. My 1968 Camaro Site. Only show this user. News Chevrolet Performance Releases The Impressive L8T As A Crate Engine . How does this compare to the 69 dz 30/30/ cam? Anyone know whos cam this is. Chevrolet LS7 Camshaft. Does OnStar Keep Location History? After graduating from Iowa State University with a journalism degree in 1978, he combined his two passions: cars and writing. Chevy V8 "W" Motor 348-409 Casting Numbers. (Yes or No), Will Hub Centric Rings Stop Vibration? The 8th digit of the VIN. In 1970, it was the cam for the 307/200hp; 350/250hp, 300hp; and 400/265hp. We found it under the heading of Xtreme RPM for LS1 lobes, Hi Lift. The Chevy Big Block's Camshafts can be identified by a number that is cast or stamped and is usually located in between the CAM lobes. Camshafts are stamped by the manufacturers as a means of identification. This is the number of crankshaft degrees of separation between the intake and exhaust lobe center lines. i have some stamps on the cam that i can see EP236 and CWC can these be used to idetify the cam. The block casting number on smallblock and big block Chevy V-8 motors is located on a ledge found at the rear of the block, most often on the driver's side. A stamp is not a functioning part of a camshaft. It's a stock cam. (See below.) There are many numbers and terms used to describe the design of the camshaft and it's important to know how these numbers will affect the performance of your engine. They dont own the name flat, but the lobes of roller camshafts are perfectly flat. Stamp numbers are engraved by the manufacturers to monitor production and distribution. . A SOHC allows at least 2 to 3 valves per cylinder configuration, with more manufacturer prowess. Thanks, Gary in N.Y. P.S. no idea) and only pulls about 10psi vac at idle. force 120hz android The GM Ecotec engine, also known by its codename L850, is a family of all-aluminium inline-four engines, displacing between 1.4 and 2.5 litres. If you are looking for the actual Chevy engine codes that are stamped into the block during assembly, Nasty Z-28.com has an excellent block stamping number decoder. Oct 8, 2010 #2 Z z28rod Veteran Member Apr 30, 2009 4,472 hopewell junction,ny 0967 is the last four digits of the GM part number. can you help me to decode this cam . 1991 and later Gen.V, VI and VII production BBC motors have one-piece rear main crank seals. i have a 383 chev engine ibought and would like to know what cam is in it. It is typically located in the center of the cam between the lobes. Show entries Search: Showing 1 to 10 of 46 entries Previous Next Big Block Crankshaft Casting Numbers Lookup In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. Any way to to determine the type of cam from the outside? Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! If you happen to misplace your card, most cam companies now list all off-the-shelf cam cards on their website that you can easily print out. I purchased a used hydraulic roller camshaft from a friend that was originally used in an LS1 engine. . ). Camshafts come in a wide array of variations, and Chevrolet has a range of camshafts for different applications, engine sizes and performance specs. Cam is in used shape but with little to no wear. I have a Street Performance comp cam that was purchased in 2007. I can't help you in regards to who actually did the final grinding. For as simple as this product appears, it is actually a very complicated piece of engineering if you study it closely. The 8.1L FO is 1-8-7-2-6-5-4-3 where a 454/7.4L is 1-8-4-3-6-5-7-2 as seen in Figure 1. Many camshaft number reference sites exist online for V8 engines, but determining the camshaft specs for six- and four-cylinder engines may require contacting a Chevrolet parts department. The easiest way to tell the difference is to check the 8th digit of the Vehicle Identification Number (VIN) on the original vehicle. journal.3.00" stroke3849847.283.forged..small journal.3.00" stroke3876764.283.forged or cast..sm. 1954-1955 235 Engine 3835913; 1956-1962 235 Engine 3836848; 1956-1962 261 Engine 3836850 Vortec truck, Gen.I crate motors and ZZ4, roller cam, one piece rear seal: 12550592 : 97-up : 350 : crossbolted block, Gen.III, LS1, aluminum: If you don't have the VIN, you can still identify the engine by visual inspection if you know what to look for. Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. . My buddy says its a mild cam thats bigger than a stock LS6 version, but he didnt have any more information. 2. I know that Chevy Casting Numbers are on several sites on the World Wide Web but I thought it would be a good idea to list them here too. They include: Identifying with your eye. We found it under the heading of Xtreme RPM for LS1 lobes, Hi Lift. Thanks, Your email address will not be published. CWC is the foundry that cast the cam blank. I have verified this information with a degree wheel and a dial indicator, 300 degrees @ 0.006 lift, 250 degrees @ 0.050 lift, lift is 0.266 or 0.399 at valve, and LSA of 11.5. many years ago! There are at least 6 different versions as of 11/99. They minimize friction, which ensures the camshaft contains more power. Small Block Casting numbers Big Block Crankshaft Cylinder Head ID Use these casting numbers to identify the heads you have. And there is a CR inscribed as well off the lower left (Advanced five degrees; use spring P/N 3970627.) Once we found the hydraulic roller section, the first column lists each lobe by number. They make castings for CMC (Camshaft Machine Corp.) and EPC (Engine Power Components) and others. The easiest way to get the best is to check the numbers in between the lobes or boxes. Looking for 4311-4314-r106 Q 7388-04 CAN ANYONE TELL ME WHERE I CAN LOOK THE SPECS UP! PG,63 4WD 1st series. Why are Volkswagen Oil Changes so Expensive? The HI-PO color coded stripes on the camshaft end are green, orange and red. CAMSHAFT SPECIFICATIONS Part No. This is what is on the cam, it would not let me past a picture here. (Yes or No). On other cams Ive looked at, they just list the part number which is easy to look up, but this cam has a bunch of numbers I dont recognize. It's real easy to spot if the heads are off because of the small 3.74" bore. For instance, if you have numbers like 266H04, the last two digits are the numbers used to show the measurement of the lobes. however, depending on how you want to look at it. Drivetrain: '95 T56, pro 5.0 shifter, hayes clutch, Stock 10 bolt with 3.42's The LS engine is designated 54 and this number is generally the first two numbers that define the actual cam part number. (Yes or No). Less overlap generally produces a more stable idle while more overlap makes the idle lumpier. It helps you know the compatibility of the camshaft to the supposed vehicle you want to use it for. Installing a Timing Belt on Ford Ranger chevrolet image by Eduard Shelesnjak from, Copyright 2023 Leaf Group Ltd. / Leaf Group Media. Any help much appreciated. Stamped numbers are 529506 and 031531. Displacing 2.4 liters in an inline-four configuration, the LEA is part of the Ecotec engine. I have this in a recent purchase5.3 cast-iron ls engine numbers are256373-18and 32340135Im at a loss..can you please help Jeff?.cheers dave. In 1969, it was the cam for the 307/200hp; 327/210hp, 235hp; and 350/250hp, 255hp, 300hp. . I'll post up a pic as well. i have removed camshaft welsh plug to see numberbut cant identify numbers help would be appricated.i nee to see what size converter i would need. JavaScript is disabled. The only stamped markings on the front are 951758. After working as a reporter in Oregon, he is now based back home in New Haven. The second lobe number 3711 refers to the same family of lobesthis one specd at 269 degrees advertised with 216 degrees at 0.050-inch tappet lift with a lobe lift of 0.330 and a theoretical valve lift of 0.561-inch. In 1998, head c/n 24575507 arrived with a heart-shaped combustion chamber against a D shape. Compare Related Articles. We compared these specs to the catalog and because there is no list number on the end of the cam, we will assume this was a custom-ground camshaft. Hi, I have a cam that trying to figure out the specs on. I actually went through several lists and made some corrections before making this list. I have a cam I need to Id I need the specs and if its a solid or hydraulic its a ua9450 a4250h11 can someone help me with this I am building this junk yard over night Grease monkey maid 10/4 I need it if possible, I have a bbf429 numbers on rear of cam359356 can you tell me what cam I have. This card reveals the basic information you need to identify, properly install, and degree the camshaft in the engine. Stock GM LS engine cams feature LSA anywhere from 116 to 121 degrees because GM is concerned with creating a very smooth idle. The car came with the two cams you identified above, Stored in cardboard tubes, With the #5054 & date 1971 stamped on tubes. In 1987, he assumed the role of editor for Hot Rod magazine before returning to his first love of writing technical stories. In 1971, it was the cam for the 307/200hp; 350/245hp, 270hp; and 400/255hp. To avoid spinning, roller lifters are lifted together. Trying to find the specs on this camshaft. order on 8.1L big block engines is different than a normal big block. A native of New Haven, Conn., Floyd Drake III began writing in 1984. However, most cams intended for street use are ground with several degrees of advance. I have a cam trying to set startup timeing hr112 intake hyd .555 ext .576 duration .006 valve tapping lift 287 in 293 ex valve timing .050 open int 10 close btdc46 abdc exh :57 BBdc 5 ATC. This figure is derived by adding the intake center line plus the exhaust center line and dividing by two. Also a great fitting cam for the earlier 302 or 327 Solid lifter Hi-Po motors used by Corvette, Nova or Camaro. The lobes are also listed with various theoretical valve liftsthe one were interested in would be the LS1s 1.7:1 rocker ratio that delivers 0.558-inch of lift. We have a hint because if a camshaft if ground with no added advance, the intake lobe centerline will be the same number as the LSA114 degrees After Top Dead Center (ATDC). The 4 digit ID on the camshaft core is 1529, which if correct I believe is for a 327 engine. In 1972, it was the cam for the 307/130hp; and an optional cam for the 350/165hp, 175hp, 200hp; and 400/170hp. How Long Does it Take Transmission Fluid to Circulate? You need the measurement of the diameter to compare with the database or any online store IDs. Carb number is stamped in this location as well as on an identification tag held on with one of the air . I am partially colorblind so they may be sort of tanish as well. Are you a newbie in dealing with cars and you seem not to know how useful a camshaft is and what is used for? The specs on that cam are: (read int lift, ehx lift, int duration, exh duration, rocker ratio). The end of the cam is stamped 3709/3711 HR 114 followed by CC and 7661-11. BBC Cylinder Head Casting Numbers RECTANGULAR PORT - Valve size 2.19 intake, 1.88 exhaust IP = Intake runner volume OVAL PORT - Valve size 2.06 intake, 1.72 exhaust BBC Camshaft Part Numbers Note 1: 80 deg overlap, 396 375hp L-78/L-89, 427 425/435hp L-71/L-72, 454 450hp LS-6, HP streetof engines we now know as Small Block Chevys. One thing I"m trying to figure out is if the orig cam is still in the car. 586 FM13 216 00L 1991 Z28 Engine: '94 355 LT1, GM hot cam, 1.6 RR's, Ported Heads, Dyno Don's headers, #30 SVO injectors, stock internals with skirted pistons. This advances the intake centerline by that number of degrees. GM used a forged crankshaft, oil-spray cooled Hypereutectic pistons, and a hydraulic roller camshaft made to handle boost. CAST3736098. A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. Discussion in 'The Hokey Ass Message Board' started by indestructableforce, Nov 13, 2012. 1995 Chevrolet C1500 5.7L - obd1 - service engine code 32 - replaced map sensor and cleared codes but continues to throw code that map sensor has low voltage. The car has all orig drive train, Except for fuel injection and headers. It models the airflow for the computer to calculate fuel. Good Day: Add the two numbers together and divide by 2. We continued down the list until we found the 3709 number, which because it is listed first on the camshaft, is the intake lobe. It was later decided to build a supercharged version of the LS3 and it has less compression at 9:1:1 to run safer under boost. Can a Bad Battery Cause a Check Engine Light to Come On? I have more than 4 Camaro's am I Addicted? The first three-digit number shows the average duration time of the lobes. 10186060 Hydraulic Flat Tappet "454". Which cam are you refering to that helped your son achieve 11.80? * 54-55 all 6 cyl except PG, 58 D-D 2 nd design,59 series 3, 60-62 series 10-30,60-61 fleetmaster exc. The Fora platform includes forum software by XenForo. This method requires you to do a few tasks like measuring some diameters and comparing them to the database. Grind numbers are HR 224/339. The numbers engraved in the body part of the camshaft are called the Stamped number or casting number. How Long to Drive After Reset Computer to Pass Emission Test? Every engine needs a timing device that can control the opening and closing of the intake and exhaust valves. DOHC is a production to improve the volumetric of the internal combustion engine in which it has more power than a simple overhead cam. Manufacturer Part Number. For a better experience, please enable JavaScript in your browser before proceeding. $850.12. It's a 10168588 casting that had the numbers "4.3" cast on the side, too. I have a Pontiac camshaft with 960938 number on the backside. [] Ask Away! Chevy V8 Crankshaft Casting Numbers. Analog system. Jeff Smith has had a passion for cars since he began working at his grandfather's gas station at the age 10. There are other camshafts that can be viewed in this category, they include: SOHC means simple overhead cam. One of the primary differences between the GM GEN 3 and 4 ECMs are how they estimate airflow using VE Tables. motor could have casting number 10112391 or 10112391S that is the service replacement. A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. In 1974, it was the cam for the 350/145hp, 185hp, 195hp; and 400/150hp, 180hp. The Fora platform includes forum software by XenForo. I can quote you the numbers from the 1964 "Parts and Accessories Catalog" but, be aware that earlier numbers may exist and be superseded by the ones listed in this catalog. Can You Register a Car with a Bill of Sale and No Title? Step 2 Find the profile or grind number. GEN III vs GEN IV. 366298.4Bowtie, Aluminum, billet main caps, 3.398" bore with sleeves, two piece rear main seal. This sometimes is tagged stressing when you can just tell by looking at numbers, but in the absence of a degree when or dial indicator, an analog is required to make your best decision. Step 3 Match the number to a Chevrolet camshaft part number listing. I have a 1969 z28 I bought a few years back from a friend who was orig owner. You can also use an analog system to identify unknown camshafts. How to Start a Car with a Blown Head Gasket (Explained). Each number has a meaning and an interpretation. The specs you have listed above for that 115835 part number is correct, the L/S is 109* instead of 110*. The numbers are just figures a manufacturer uses to identify their products and to track them sometimes. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 52.01.07 The only thing we dont know from these number is the cams intake centerline. All of these applications had the same specs as the initial 1967 application. Now zero the indicator and turn the engine backward until the dial indicator reads roughly 0.100-inch. .390 .410 310 320 1.50 in 1968, it was the cam for the 307/200hp; 327/210hp, 250hp, 275hp, 300hp; and 350/295hp. In 1971, it was the cam for the 307/200hp; 350/245hp, 270hp; and 400/255hp. Old school Comp 9000 Mallory Distributor and coil. 139536 93B2B, I have a solid roller cam has cc 950 k5462 r6 292-5 296-6 stamped on front help with specs, I am just trying to decode the cam out of my 400m. A roller camshaft has its wheel attached to the bottom of the lifters body. From the distribute drive gear down are the folloing markings: CWC, 06, C14, EP1. The specs on that cam are: (read int lift, ehx lift, int duration, exh duration, rocker ratio). For a better experience, please enable JavaScript in your browser before proceeding. Can you guys help me pick a cam and fix my combo? Information is premium and can save you from errors and spending excessively. CAM 6964 1969 CAMSHAFT ID. **Due to the COVID-19 pandemic a large number of products are on backorder and shipping times are longer then usual. We investigated a couple of our Comp off-the-shelf LS cams and found they were ground with 5 degrees of advance, but that is no guarantee that your camshaft is ground that way. This an original 1966 283 camshaft casting number is 3732798, hydraulic lifters. A 'VE Table' is one of two methods used to control fuel delivery, typically the secondary method with the primary being a MAF (Mass Airflow Sensor). 4226 what kind of camshaft is it. back of cam has 660 371079 front of cam has s42008L, i have a 572 hemi and i am in the process of pulling the cam but the harmonic damper is being a pain . Canadian made ERTEL brand. Car AC Compressor Not Turning On (Causes and Quick Fix). If you want to know where the intake centerline is located, all you have to do is install the cam in the engine and then degree the cam. The recall affects several models of heavy duty Chevrolet Silverados and GMC Sierras with optional engine block heaters. Can Jumpstarting a Car Damage the Alternator? Apr 13, 2014 Yeah, it has CR 760 stamped on the back, and then a date under it. There are 3 different ways to select your camshaft tightly. Chevrolet "Stock" LS Camshaft. Sept. 2019 Drag-Week Winner - N.Y. Legal Streeter - 1956 Chevy Bel-Air, http://www.msnusers.com/Chrisjunque/shoebox.msnw?action=ShowPhoto&PhotoID=2. If you have ever heard that the new style 235 gets better compression numbers with an "848" Head, look for the last three numbers of that Casting Number. You need the best camshaft that works well with your vehicle. ** Free Shipping for Engines & Transmissions* Learn More; 0; 888.284.7491 . There following are ways you can tell a difference: As the name implies, these sets of numbers reveal the model of the camshaft. This will help you get the full details directly from the manufacturing, which requires the model and other factors that need attention. There are two easy ways: 1. They are not so much of the speeding type. A pushrod is a metal tube constructed to transfer the valve motion of a lifter riding on the camshaft directly to the value. In 1971 he installed a 1965 Corvette fuel injection system. For instance, the number for a Toyota 3SGE would be CS 3SGE. No smoke, but I have not checked compression yet. Also can i safely run the Xtreme Energy, XR294HR on my 383 Vortec 906 heads and screw studs ? Thank you, if you can help, send me an e mail and I will send you a picture. A good understanding of these factors will assist you in making a wise decision. This number should be on your camshaft, followed by a number of degrees. Hope weve helped you with a little more camshaft knowledge. With your cam it might come out to somewhere between 114 to 110 degrees depending on if the cam was machined with advance. The Chevrolet small-block engine is a series of gasoline-powered, V-8 automobile engines, produced by the Chevrolet division of General Motors between 1954 and 2003, using the same basic engine block.Referred to as a "small-block" for its size relative to the physically much larger Chevrolet big-block engines, the small block family spanned from 262 cu in (4.3 L) to 400 cu in (6.6 L) in . document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. The next information engraved on the cam was HR 114. Chevy V8 SBC Block and Head Casting Numbers. Despite the differences, however, an 8.1L camshaft will drop right into a 454 like it belongs there - but it will only run four cylinders. Different chamber volumes, port volumes, port locations, valve sizes, etc. They appear to be a rock arms with a small diameter. cam 5054 i am still searching for "Three Rules of Work: Out of clutter find simplicity; From discord find harmony; In the middle of . The 7661-11 is a serial number specific to that camshaft only. If it is an original GM part, these numbers will be there. Under that heading toward the bottom we found a tab for the Cam Lobe Master Catalog. However, remember what to do after replacing your camshaft sensor in your car to avoid another frustration.