Comp cam calculator. Shop Valve Springs at Summit Racing.

Comp cam calculator Spring rates are listed by the manufacturer. For example, try it with these COMP Cams® Valve Springs: Jun 8, 2021 · They recommended going with relatively mild street cam like a Comp 260H grind, which has a . 500, Ford, Modular V8, 2V, Pair Jan 12, 2010 · The program suggests the top matching camshaft for the application, a complete camshaft specification card, and even your engine’s projected horsepower and torque with the new camshaft. Nov 2, 2010 - Calcs And Tools. 375 103 ci 4. Camshaft Valve Timing Degrees Calculator. Feb 3, 2011 · With COMP’s CamQuest Camshaft Selection Software provides a set of camshaft recommendations from COMP’s extensive catalog all based on several integral factors, including the engine make and model, the type of lifter used, nitrous injection and/or forced induction, and the intended usage. 050 at 0. Comp Cams XR276 HR hydraulic roller cam PN 12-423-8. You won’t second-guess your ratios with this handy transmission gear ratio calculator! Oct 26, 2021 · Cam Card: Need all 8 valve timing events at seat-to-seat and at 0. You'll have to calculate this value the hard way i. 050''. The duration is figured at . Moderate Lift Camshafts: These strike a balance between low-end torque and high-end power. 050" Duration numbers the opening/close will be at . 454" /. Shop Camshafts at Summit Racing. When checking the spring loads on a Explore COMP Cams' catalogs for high-performance camshafts and valve train components to enhance your engine's power and efficiency. Jul 27, 2017 · If we have a camshaft providing a total valve lift of . S. 542, Calculate the casino comps you qualify for based on game, bet size, and time played using the same formula the casino does Hydraulic Roller Cams and Cam Kits, Comp Book Grinds Common Usage: Mild street performance to mild race Key Benefits: Modern, aggressive roller profiles, reduced friction, low maintenance, reduced valve train noise, more power than conventional hydraulic flat tappet camshafts Dec 16, 2009 · Its always a good idea to discuss your potential valve train changes during the engine planing and build stages with several different cam manufacturers, and your engine builder as each will provide a slightly different perspective, just keep in mind all components used should match the intended power band and rpm range and air flow rates, it would be rather foolish to spend a great deal on a Nov 20, 2024 · When I got this thing it had a flat tappet hydraulic or whatever they are called, Comp 231 I think it was. The same 280 Comp cam (110 LSA) would change from 60 degrees overlap to 72 degrees overlap if ground on a 104 LSA. 454" Duration: 268°/268° RPM Range: 1500-5500 C. 050" lift by inputting intake & exhaust duration @ . Oct 13, 2008 · "There are a couple different ways to calculate the overlap of the cam. Summit Racing's Cam Timing Calculator 6. Does A Cam Improve Performance? Yes, a camshaft can significantly improve engine performance. g. 015, vortec 062 iron heads, stock valve size machined for larger springs. Bigger cubes = smaller LSA. D. Dec 5, 2011 · Hi Jason, I have a Comp Cam Extreme energy flat tappet hydraulic cam in a 9. . They differ only in the way in which the cam's basic profile event positions are specified. COMP Cams Xtreme Energy Modular 2-Valve Camshafts. They are easy to read and eliminate the need for expensive calipers. If you have a flat piston with no valve reliefs enter 0. Comp Cams, Desktop Dyno 5 Software Desktop Dyno 5 Comp Cams Desktop Dyno 5 Software Build and test virtually any 1-to-12 cylinder, 4-cycle engine. Reading a Cam Card: Lobe Lift. I am swapping cylinder heads and if I keep the same pistons, I will lose 0. 125x4. With EFI and 45 Aug 25, 2023 · Where to Look for Comp Cam Identification Numbers? Comp Cam identification numbers can usually be found in a few different places. Comp cams use to have a page that listed all Pontiac cams & their basic info in a list with a link to the cam card for that particular cam. 050", LSA, and intake centerline. Jan 14, 2010 · The Comp Cams spec card lists ABDC @ 0. Once the Simulation “Run!” button was hit, the numbers came up at 576 horsepower at 6,500 rpm, and 492 lb-ft of torque at 5,500 rpm. Feb 20, 2013 · I am wondering how strongly we need to adhere to the camshaft manufacturer's suggested compression ratios. Cam installed at 106-degree intake centerline. 006" number Aug 29, 2022 · Camshaft Recommendation Consider a Comp Cams High Energy 268H or a comparable grind. 42 limited slip, Tremec TKO-600 manual 5 speed and twin disc McLeod clutch. Seat to seat times (advertised duration) must be used. Display and print components and test data. Dec 4, 2020 · Comments: I have this cam in my 1974 T/A 455 Super Duty engine. CL66-248-4. May 3, 2011 · Once you have found the perfect cam, the program integrates seamlessly with the COMP Cams online store so you can order your new camshaft and everything needed for installation with just a few mouse clicks. 460/. 0853 WWW. Use this free online program to find the perfect cam for your application, see projected dyno Summit Racing's Cam Timing Calculator 6. COMP Cams® has matched each set of springs for load consistency. 5 to 1 dynamic compression is max for pump gas, so that should be fine. This gives 8. 050" and LSA are commonly available on most camshaft sellers' websites (e. Intake/exhaust duration @ . For fully assembled engines that are not already equipped with an accurately set TDC indicator, a threaded piston stop can be installed in the spark plug hole of the number-1 cylinder. Find out your camshaft's valve timing events @ . 318 inch on the intake side. Example: Comp Cams EX268H Adv dur: int 268º, exh 280º Several years ago I asked COMP Cams to help me with a very detailed analysis of cam LSA. COMP Cams engineers must excel at presenting artificial and real life problems and pursue answers based on theory, experimentation, empirical research and finally, in real life use. Designed for the serious engine enthusiast, the DeskTop Dyno simulation packages will evaluate custom cylinder heads, any cam timing, a wide range of bores and strokes, valve sizes, and connecting rod length and angularity. Enter a positive number for a dished or dimpled piston. COMP Cams engineers must go beyond the lab and Free Shipping - COMP Cams Xtreme Energy Camshafts with qualifying orders of $109. Xtreme Energy Apr 13, 2020 · The calculators that use the . 'Other' input for any volume not in calculator. COMP ground up five street rollers for me with exactly the same lift (. 19 intake valves and 1. Deck Height, 4. Users input engine details, performance goals, and preferences, receiving suggestions for camshaft specifications that align with their unique requirements. 938x4. Valve opening and closing points are used in the first calculation, while duration and lobe center angles are used in the second cam calculation. May 1, 2011 · How to Calculate Overlap. The vavle chamfers on a cylinder bore of block, etc. 233. 900") 3 items Classic Thumpr 3 items Wallace Racing BACK to Calculators This Calculator will figure the duration and LSA of your camshaft using your inputs. Oct 25, 2013 · For example, the COMP Cams XE 268H hydraulic flat-tappet cam for small-block Chevy has a lobe lift of . Transmission Lookup You won’t second-guess your ratios with this handy transmission gear ratio calculator! PDF-1. Calculate Camshaft Lobe Centers and Duration. 5:1 compression. Discover COMP Cams' high-performance camshafts and valve train parts for race and street engines. 050" duration will be a somewhat less accurate than those that use advertised duration. Camshaft Sub Series 4-Pattern Small Base Circle (. 434 always uses 104 LSA. 500/. 050" durations or timings will not give the correct overlap. 1. 150", dual 67mm VMP throttle body, UPR twin catch can setup, and it is on e85. 88 exhaust valves put in. COM 26986 986 987 984 972 914 926 917 26112 910 978 977 Beehive™ Double Double Single Single Double Single Double Double Single Double Double 1. Enter a negative number for a domed piston. COMP Cams DeskTop Dynos offer more speed, more engine components, and improved accuracy. May 22, 2011 · In this engine tech article CAR CRAFT takes a look at the Comp Cams Camquest online cam selector software, which is an effective and free way to find the best camshaft for your car - Car Craft Aug 29, 2022 · Camshaft Recommendation Consider a Comp Cams High Energy 268H or a comparable grind. The ’55 Chevy weighed in at about 3,350lbs and ran a 383 engine with 10. We are among the largest LS and Gen 5 LT1/LT4-specific shops in the country, and we machine and assemble all of our engines, camshafts, and Precision Race Components cylinder heads in house! We also have a complete line of Texas Speed & Performance crankshafts, connecting rods, rocker arms, long tube headers, exhaust systems, and more. Jul 9, 2020 · Give them the results of a TDC valve-drop static clearance test, and Comp Cam's techs can calculate the piston-to-valve clearance for any of its cams at any degree of rotation. Example: Chamfer on piston outer edge. My calculator says 8. You can compare up to four cam cards. Feb 3, 2011 · With COMP’s CamQuest Camshaft Selection Software provides a set of camshaft recommendations from COMP’s extensive catalog all based on several integral factors, including the engine make and model, the type of lifter used, nitrous injection and/or forced induction, and the intended usage. $358. 000 96 ci 3. Aug 23, 2010 · I just put a comp cams 270-HR in my 68 Camaro. ORDER COMP Cams® leads the industry in camshaft lobe offerings. To calculate the rate of your springs, use this formula: Spring Rate = (Open Pressure – Seat Pressure) ÷ Lift. 1) The easiest way is to add the intake opening times to the exhaust closing time. Add to Wish List Add to Compare. e. Here’s why: Duration: 268 degrees of advertised duration provides a good balance between low-end torque and mid-range power without sacrificing drivability. If you need help, CamQuest also connects directly to COMP Cams technical support representatives with Live Help and email options. 050" Hi-Torq Aggressive Series Hydraulic Roller Cams ; Max HP Cams, Boosted / Nitrous / Naturally Aspirated Hydraulic Roller Cams; Hi-Torq Hydraulic Flat Tappet Cams and Cam Kits ; Ram Air Series Cam- Hydraulic Flat Tappet 067/068/041/744; Comp Cams- Cam and Cam Kits, Book Grinds ; Full Custom Hyd & Solid Roller Cams and Cam Kits, Choose Your Lobes Jun 21, 2006 · It’s finally here: a camshaft selection program that allows you to find the perfect camshaft for your engine. Ring land volume. Note: For pistons BELOW the block @ TDC - value in box must be a POSITIVE number (. 7 MB; Free Shipping - COMP Cams Xtreme Energy Camshafts with qualifying orders of $109. Camshaft box or packaging: The Comp Cam identification number should be clearly marked on the box or packaging that the camshaft came in. 7 MB; Dec 31, 2019 · I've been looking at different cams for a 400 build and have found that it's a pain in the @ss to find the actual cam card IF there is even a card available. The timing of valves is in the order: exhaust opens, intake opens, exhaust closes, intake closes. Have a question? Ask the Pros; Email Us Get answers from the pros; 920. A. Comp Cams’ online camshaft calculator streamlines the selection process. Can you tell me the specs on this cam from these numbers? On other cams I’ve looked at, they just list the part number – which is easy to look up, but this cam has a bunch of numbers I don’t recognize. Jan 31, 2024 · Listening to Comp Cams provides enthusiasts with a sensory preview of their engine’s performance characteristics. I use the car for road racing only. Camshaft Calculation Formula. 850 1. This calculator is mainly for wide open throttle and based on HP peak RPM range. Within the COMP Cams® camshaft family, there are several different types of camshafts available for most popular domestic engines ranging from the Xtreme Energy Cams™ to Nitrous HP™ Cams. 050" A Work in Progress. 000 103 ci 3. The thing i like about the Comp Cam Extreme energy series is that it "fools" the engine into thinking it has more compression than it does by minimizing overlap. 050”: 235 intake, 240 exhaust), and the exact same advance ground into the intake lobes (+4-degrees), but each one Jun 19, 2022 · Get the Best Performance with COMP Cams High Energy 268H Hydraulic Flat Tappet Camshaft Lift: . Popularity: ⭐⭐⭐. 1/14/2025 05:11:13 AM PONTIAC POWER RULES ! ! ! Do you like this site? A small donation would be appreciated. Whether it's for a street rod or a show car with power accessories, one of these cams will fit your engine's needs. → Download the Cam Motion Cam Timer camshaft valve-event calculator ←. Mods to the engine as it sits SW headers with H-pipe built mufflers dumped before the diff, 47lb injectors, CJ intake, Ford racing CAI milled out to 4. 375 113 ci 4. 375 120 ci 4 Jun 8, 2021 · They recommended going with relatively mild street cam like a Comp 260H grind, which has a . 440-inch lift, 212-degrees duration at . R. Jun 19, 2018 · For the camshaft, we simply pulled up Comp Cams’ website, and used the specs for the 54-469-11 LSR, Rectangular Port camshaft, which has been designed for all-out power in the 2,000-7,000 rpm range. D. Wallace Racing BACK to Calculators Use Advertised Durations - usually at . CamQuest™ also lists the COMP Cams® valve train components that will match the recommended camshaft -information that helps you achieve maximum power and Aug 16, 2009 · Comp Cams says this cam should "pick up a ton of midrange torque and a bunch of top-end power," and even with the big rectangular-port heads on our motor, we weren't disappointed. Get accurate compression without the guesswork! Get your engine's optimal compression ratio and total displacement in no time flat! Just complete your engine setup, click calculate, and you’re on your way to maximum performance. Find the best parts for street or racing. , CAM’s profile on LinkedIn, a professional community of 1 billion members. For Vizard a 302 always uses 110 LSA. Engine is a 355, stock pistons, decked with steel shim gaskets . Jun 10, 2024 · High Lift Camshafts: Allow the most air and fuel into the combustion chamber, creating maximum horsepower and torque at higher rpm. For Entertainment Only. 875x4. 050" number when your cam is a brand like Comp Cams which typically only provides you with an IVC @ . Twin-Cam Compression and Engine Displacement Calculator Choose Engine Size 88 ci 3. 500 then we can calculate the pressure by multiplying the lift by the spring rate and adding that number to the installed pressure to determine the open pressure. This Edelbrock cam (#2162) is the daily/driver cam, not the Performer RPM camshaft, and its specs are only slightly above the stock LS-5 cam (213/217 and . 250x4. It works out as follows; . Summit Racing or Jegs). Combustion Chamber cc's Use this valve timing calculator to calculate all off the valve timing events for your camshaft. 488), so it is interesting in that it needs more compression to operate (again hindsight is 20/20). 39 to 1 dynamic compression on my calculator. This handy calculator is a popular reference tool for those who wish to calculate dynamic Calculate Camshaft Overlap From Lobe Centers and Duration. They are easy to tune to idle well enough for DD duties, they give a broad and flat power band that can pull to about 6000 rpm with the bigger blowers (2. The effective lift from this can be altered from . the cam is an XE268H. Once you have found the perfect cam, the program integrates seamlessly with the COMP Cams ® online store so you can order your new camshaft and Within the COMP Cams® camshaft family, there are several different types of camshafts available for most popular domestic engines ranging from the Xtreme Energy Cams™ to Nitrous HP™ Cams. 00. With thousands of active lobes in the COMP® library, the combinations are infinite for any given engine. com/ COMP Cams® R&D Engineer, Bradley Brown, walks us through the steps in how to calculate the right pushrod length for proper rocker ar Jun 8, 2023 · In his cam choices, the cams are the same for each category, except for LSA (and recommended rocker ratio). Calculate Peak Engine Horsepower & Peak Power RPM. 000 95 ci 3. 375 107 ci 4. 495” intake, . Of the variables, the most important is cam timing which has a dramatic effect on your "dynamic" as opposed to your static compression ratio. I have 049 casting open chamber oval port heads that I had 2. That means that you can have a cam ground to your specific needs, and you have the broadest selection of lobes available anywhere. High Energy 218/218 Apr 18, 2011 · http://www. 6 %âãÏÓ 25 0 obj > endobj 31 0 obj >/Filter/FlateDecode/ID[88F3CDB493A63B4895A0C94449AAB5B1>65F43B6623935B428B7910FBE3ACEE74>]/Index[25 8]/Info 2 days ago · A calculator to find all the necessary parameters of a camshaft. In addition, there are various lifter types available ranging from Hydraulic Roller to Solid Flat Tappet. Shop Valve Springs at Summit Racing. B. 006 being 61. I am running stock intake, 9. 500 x 300 = 150. The AirComp Calculator · Education: Embry-Riddle Aeronautical University Free Shipping - COMP Cams Valve Springs with qualifying orders of $109. 15:1 due to the larger chambers of the new heads. 5 in exhaust and spintech 16 inch long mufflers, 3. 006" If you use . 006-inch tappet lift. 000) Note: For pistons ABOVE the block @ TDC - value in box must be a NEGATIVE number (-. 120" Unfinished Bore, Ready to Hone CAM HELP® 1. When shopping for camshafts from different manufacturers, enter each of their supplied cam card specs into MGI’s Camshaft Calculator. 000 110 ci 4. Frequently used in today’s OEM factory engines and mild to moderately aggressive performance engines, hydraulic roller cams use lifters equipped with a roller wheel that tracks along the camshaft lobe, reducing wear and friction, and enabling faster lobe ramp rates than flat tappet cams. 500 117 ci 4. 000x4. Jeff Smith: First of all, the CC refers to COMP Cams. 7:1 compression, stock #16 SD heads, re-jetted Rochester carb, stock round port exhaust manifolds, low restriction 2. Camshaft; Camshaft Calculations. Compression Calculator Instructions: Enter a value in the un-shaded boxes below as they pertain to your engine. 7 Cam Installed per Cam Card, or Retarded or Advanced: Fuel Used: Gasoline, Methanol, Ethanol, E85 . STEP 2. . Be sure to share this free Cam Timer with your fellow performance industry professionals and technical minded racers and enthusiasts. This calculator provides the calculation of camshaft specifications, including intake valve opening (IVO), intake valve closing (IVC), exhaust valve opening (EVO), exhaust valve closing (EVC), and valve overlap (OL). 95. 85 of a point -from 12:1 to 11. Nov 2, 2010 · Summit Cam Timing Calculator. $20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: GETREADY High Energy 218/218 Hydraulic Flat Cam and Lifter Kit Ford 240-300 6 Cylinder . 6KB or whipples). ). This calculator will help you rapidly determine the perfect camshaft for your application. Jan 24, 2015 · A cam checking kit like this one from Comp Cams provides all the necessary measuring tools to successfully degree your high-performance camshaft. Killer single pattern cam. Use this calculator to see what the effect of bore, stroke, rod length, cam timing, compression ratio, boost pressure and altitude is on your dynamic compression ratio. CamQuest™ also lists matching COMP Cams ® valve train components, such as lifters and valve springs. Valve springs and hardware for various engines, offering durability and performance for automotive applications. This is due to the fact some cams have a rather aggressive rate of lift, some will be more moderate, and some will be quite mild and have different advertised duration while having identical . I would say that they are sufficient for 90% of the trucks out there. 625 117 ci 4. 060x4. Approved* 12-210-2 parts at JEGS. Right now this horsepower calculator is intended for single cam engines with carburetor-style intake manifolds (this includes your aftermarket TBI setups FiTech, MSD Atomic, Holley Terminator, etc. He leads a group responsible for somewhere around half a million different, unique lobe designs. The camshaft calculation formula, Camshaft Duration = (Opening Point + Closing Point) / 2, is essential for understanding a camshaft’s performance characteristics. 050-inch lift and 110 degrees of lobe separation. Updated Cam Info: Clay Smith 02-012, 1700-5700 rpm LCA = 108, lift = Int/Exh . Explanation Aug 25, 2023 · Where to Look for Comp Cam Identification Numbers? Comp Cam identification numbers can usually be found in a few different places. Now we take the 150 and add it to our installed pressure of 100, which gives us 250. 800 1. Jan 29, 2008 · C3 Tech/Performance - Free Comp Cam selection & Dyno software. Mar 2, 2021 · Having spent half his life overseeing the camshaft development group at COMP Cams, Billy Godbold is one of the top authorities when it comes to camshaft technology. Here are some key places to look for Comp Cam identification numbers: 1. I took the engine apart flycut the pistons and put this 11-450-8 Comp in it, along with all the other add onsmentioned. These camshafts are ideal for race applications where top-end power is critical. 5 compression 468. Cam Motion Dynamic Compression Calculator. COMP Cams seeks out the best engineering minds and puts them together with advanced testing and measuring equipment. Duration: 224/230 degrees at 0. 000 116 ci 4. 050" durations. 375 98 ci 3. Camshafts, Hydraulic Roller Follower, Advertised Duration 274/278, Lift . Easy component selections. 375 120 ci 4 Comp Cams Pushrod Length Checkers are crafted from a steel alloy with black oxide coating for years of accurate measurements. CL32-242-4. This simple upward movement of the cam lobe can be measured in terms of inches (or millimeters) of lobe lift. 000 107 ci 3. 000) Feb 25, 2024 · View Christopher Broyhill, Ph. Comp Cams, Gen III Billet, Double Roller Timing Set w/ Captive Torrington and 9 Keyway Crankshaft Sprocket-LS1/LS6, early LS2 (w/ 24x Reluctor) $ 164. All the intake valves were kissing the pistons at 4500 rpm. Nov 27, 2004 · So now i have two cams, the XE268H and the H268 wich was replaced by comp a few weeks ago because i dropped one on the floor and it broke in half, (wich was nice of them) Anyhow my lifters and spring will work with either cam, and would like some opinions on what to do, should i use the XE268 cam or take it back to summit and use the 268H cam. COMPCAMS. Dec 13, 2017 · I am going to be installing a set of Comp Cams Stage 3 N/A cams soon. They calculate rate based on the Spring Pressure at Installed Height and Open Height. For boosted applications, compare especially the valve overlap between each of your available cam card selections — The more valve overlap, the less effective your blower Apr 24, 2011 · A built-in virtual dyno will even calculate your engine’s estimated horsepower and torque. I have an . Speed-Wiz features two separate camshaft calculations. COMP Cams® new CamQuest™ 6 PC-based* cam selection software allows the user to find the right camshaft by answering a few application-specific questions from the program’s simple drop-down menu screen. 7 MB; Free Shipping - COMP Cams Factory Muscle Camshafts with qualifying orders of $109. NEW CamQuest! - It's finally here guys, the all-new easy to use CamQuest brought to you by COMP Cams. 1/16/2025 10:11:20 PM PONTIAC POWER RULES ! ! ! Camshaft Overlap Calculator Back to Calculators. 800. Compression Calculator. Add to Cart. This calculator is useful for finding out your IVC @ . 050” & lobe lift or valve lift plz see info at bottom Rocker Ratio - Intake/Exhaust: 1. 850 Find COMP Cams Computer-Controlled Camshafts and get Free Shipping on Orders Over $109 at Summit Racing! COMP Cams computer-controlled camshafts are specifically designed for the serious street performance enthusiast. 95 RHS LS Race Block, Std. compcams. With EFI and 45 Oct 5, 2024 · Tags: Calculations Explanation Concepts camshaft specs calculator. SELECTING A CORE Nov 6, 2009 · I run the comp stage 2's and love them. 5228 Mon - Fri 8:00 AM - 5:00 PM CST; Camshaft Recommendation Get you the cam that perfectly fits your needs. - I'm sure this has probably been posted somewhere on the forum before, but I just came across Comp Cams Cam Quest 6 software which is a free download from Comp Cams site for any one else that may be interested in it. More overlap increases cranking compression. do it yourself or call the piston manufacturer. A variance of + or -10% is acceptable for new springs. Nov 14, 2005 · RatONaStick: I think that there may be some confusion. Transmission Lookup. The extra volume in head gasket, where the bore opening is not a perfect circle. 477 inch to Aug 21, 2015 · The end of the cam is stamped 3709/3711 HR 114 followed by CC and 7661-11. 999. Camshaft Specs Calculator. 750x4. COMP Cams DeskTop Dyno Engine Simulators. 502” exhaust), and the exact same duration (at 0. Jan 31, 2024 · Camshaft Calculator. $405. Each full revolution of the length checker is equal to . Feb 24, 2021 · Summit Racing’s got a handy camshaft timing calculator that can help you determine the right cam specs for your performance needs. Test alternate fuels and nitrous-oxide injection. Xtreme Energy 218/224 Hydraulic Flat Cam and Lifter Kit for Ford 351C, 351M-400M . You can find out your intake centerline for your Comp Cams camshaft by searching its part # or grind # on the Comp Cams website and then finding your cam's specs page. This camshaft is well-suited for stock engines with minimal modifications. oodturlv cufafgk fhw vjsx ubmla sus giin gpsww ehs dfehlh