Bbc 496 Roller Cam

This is our second most popular cam choice in our line of bbc street rod engine builds that range from 454 up to 632 cubic inch. Gen 4 Bbc eagle crankshaft h beam rods dart intake dominator built by ace crankshaft solid roller lunati cam rockers and rollers. from what i heard a basic 496 build will yield 500+. H-Beam Rods,Comp 1. the engine was built less than a year ago & I have blown 2 Head gaskest already (NOs is used also). SOLID ROLLER CAM. 99, dealer $285. erson bb chevy drag race roller cams; erson bb chevy no2 roller cams; erson bb chevy truck pulling roller cams; erson bb chevy 4-7 swap drag race roller cams; erson bb chevy gen vi roller cams 96-99. Vehicle Description. Looking for the right Bbc Hydraulic Roller Camshaft today? Find your next Bbc Hydraulic Roller Camshaft and other auto parts and accessories for sale on Ebay today. [email protected] Think Crower "Every part for Power" for all of your racing hard parts. Parts: 496 CID Wedge - pump gas street engine (10. 1970 solid roller cam 454 bbc (Video) By admin in american classic classic cars muscle August 28, 2019 This is my old mtotor, New motor is a 800+HP 555CI motor that I just finished building!. Dart pro one heads, liberty forged crank, liberty forged connecting rods, custom je pistons, billet roller cam, stainless steel rocker arms, dart stud girdles. Ultradyne BBC solid roller cam brand new in box. A hydrolic roller is good for all around power like street and strip but is limited to around 6500-6600 rpm's. Would roller rockers be worth the expense or needed with a cam like this? CR is 9. Crower builds performance racing parts from camshafts to crankshafts. 750 hp I’ll post the build sheet and pics also turbo 400 j&w bell housing reverse manual valve body 4500 stall $1500 never ran and all kinds of other parts msd ingintion devincice dominator. Re: Solid Roller cam recommendation 496 BBC I also have more than a little dyno time. We have so much confidence in our quality that our warranty starts when the vehicle is ready for the road and not when you receive the engine. It has a set of ARP head bolts as well as all stainless steel fasteners. Find CHEVROLET 7. 1 engine after extensive dynamometer testing on various combinations of our aluminum CNC cylinder heads, intake manifolds, fuel settings and exhaust systems. Motor made 600 hp and 600 ft on the dyno great street motor just had the heads fully ported and am switching to a ported victor jr. 332-42R BBC Solid Roller Camshaft RPM Range: 5000-8000. crane cams use the flow levels in the upper lift ranges where bigger heads seem to flow better (shorter duration higher lift) and a comp cam works better where the heads need dwell (longer duration lower lift) the reason jet boats work well is they are generally water injected exhaust and water flow is minimal until the upper rpm ranges and they also jump right to full RPM from a stand still. 25 Intake Valve. One balanced and blue-printed 496 BBC high-performance long block engine. 496ci BBC head test here: Big-Block Cylinder Head Test- Car Craft Magazine My point is this:Regardless of cam, I'd run the peanut ports. THIS ENGINE IS HAS A SPECIAL ROLLER CAM & HEADS - 652 HP. Your Price: $439. Previous owner had the valve lash set to around. My old 454 with RV cam and 8:1 compression was getting really tired and using a 2 quarts of oil every trip to the lake so I decided to freshen it up this winter. I need help choosing a solid roller cam and lifters for my 496 pump gas motor 10. nos fogger with purge and fuel reg, -6. A beefy build for all you street machine enthusiasts that believe bigger is better! 632 cubic inches built to deliver incredible race engine performance and still be reliable on pump gas. COMP CAMS/HOWARDS PERFORMANCE ROLLER CAMSHAFT 237/243 DURATION. The following procedure could apply to any roller camshaft. BP4962CT - BluePrint Engines 496CI 575HP Stroker Crate Engine, Big Block GM Style, Longblock, Aluminum Heads, Roller Cam This product may require vehicle validation(s) for proper fitment. 496 BBC twin turbo build, powerband questions? steel roller rockers, and got Lunati's high rpm retro hyd roller lifters as I planned to run a hyd roller cam, my. Simply pick your grind from our huge online inventory, and a Builders Kit and you have a kit that meets your needs, designed by you. Post: 496 BBC roller cam selection (Topic#311800) 66cayne comments please on this cam choice for my 496 BBC build. Ended up being to much motor for the car, damn thing kept breaking things. Every single product we sell undergoes extensive testing and analysis to ensure the end result is a superior product that can withstand demanding race conditions. 70 ratio Alum. Find free videos, step-by-step guides, activities and quizzes by level and subject. Camshafts & Valvetrain. CAMSHAFT SPECIFICATIONS Part No. 018 cold so that when hot it is. 282 50MM Roller cam bearings or using a Babbitt cam bearing GMP-55-T Cam bearing you can go to a 55MM Cam core - $500. Braided fuel line. 060 over,and the main journals have been align honed. Just fresh from C&J. What I am running now is a solid roller Howards 296-304 dur. A hydrolic roller is good for all around power like street and strip but is limited to around 6500-6600 rpm's. (Figure 1) This obviously results in a much longer lobe life due to the reduced friction. 491 509 107 117 2800-5000 fair 2205 b, n. com, the official website of Sport Truck Magazine. Every thing else being equal a 496 wants a tighter lobe separation than a 454. Only at www. 640 roller cam springs with chrome moly steel retainers. 496 BBC twin turbo build, powerband questions? steel roller rockers, and got Lunati's high rpm retro hyd roller lifters as I planned to run a hyd roller cam, my. This cam will produce over 600HP with a single plane and right at 600HP with an air-gap intake. • Cold forged extra long piston, precision ground and fitted for controlled leak down and pump up. At the heart of the engine is an Isky hydraulic roller cam and Cloyes double roller timing chain. Harland Sharp is the originator of the roller tip rocker arm. erson bb chevy gen vi hyd roller cam 1996-99; erson bb chevy gen vi marine hyd roll cam 96-99; erson big block chevy solid roller cams. This cam will produce over 600HP with a single plane and right at 600HP with an air-gap. 51 178mph dragstercamshaft 3 years old, 220 runs, mechanical roller. New in box never used Lunati solid roller camshaft on a billet core with everwear dizzy gear Great cam for a street/strip pump gas bbc Needs 10. Has a set of Erson soiled roller lifters. Manufactured from 8620 heat-treated steel, Howards™ hydraulic roller lifters are CNC machined and then fitted with a precision check. Chevy BBC 427 454 HP Stage 3 527/544 Lift Cam Roller Camshaft MC22236. STREET SERIES RETRO-FIT HYDRAULIC ROLLER LIFTERS (8 PAIRS) 16 LIFTERS. bbc 496 454 427 396 comp cams roller cam & valve train Xtreme Energy 11-771-8. I have a 496 (700-750 HP) BBC engine (Iron Block / AFR aluminum Heads) that is drag raced every other weekend & street driven on the weekend (12. Hydraulic Roller Lifter Camshafts Custom grinds available as well. the engine was built less than a year ago & I have blown 2 Head gaskest already (NOs is used also). Putting together a street/strip 496 for a 69 nova. Make an offer!. All my reading says that this is too loose and should probably set to. 1996-2007 Chevrolet GMC BBC 454 496 502. Only at www. In several cases customers have used solid roller lifters on hydraulic roller cams with success. The first dyno test was with a comp hyd. We offer cams for every application, including, turbocharged, supercharged, nitrous, and fuel injected. This cam has been in a couple engines and has some roller marks on the lobes. Roller Cams at Competition Products! Howards, Mechanical Roller Cam, Chev SB 262-400, Nitrous, Howards, Mechanical Roller Cam, Chev SB, Nitrous, Small Base. 5:1 the wider LSA on most TBI engines is to allow the sensors to detect less overlap at low rpms which tends to cause errors in the data due to reversion pulses in the intake runners, adding displacement and longer stroke tends to reduce that effect some anyway, and increase the low rpm tq. Dart block with splayed caps finished bore size on SV10 Diamond Sunnen hone using deck plates. We have swapped over to the later model Gen V 1991-1995 engine blocks as the foundation which has NO provisions for a mechanical fuel pump. i have a 496 stroker big block chevy and when i rev it up it pops through the exaust on the way back down. These camshaft / lifter kits are perfect for use with BBC 477 to 496 with 4. Roller Series. require billet lifters. 030 and it needed a bore so I checked into costs and decided to put a 4. Cam followers come in a vast array of different configurations, however the most defining characteristic is how the cam follower mounts to its mating part; stud style cam followers use a stud while the yoke style has a hole through the middle. [email protected] 904" Dia, P/N 88574-16. Comp Cams BBC Gen 4 & 5 Hydraulic Roller Camshaft Cam & Lifter Kit Hydraulic Roller - this is an incredible camshaft for your late model 454/502 Magnum EFI engine, big power going, yet still EFI compatible. 5 compression with 75cc head, will run on pump gas. 00 takes it {url removed}. Please contact us to confirm correct vehicle fitment and usage. Years ago we built a 10:1 427 BBC street motor, solid roller cam, it was 244*. This 496 cid stroker rat engine pulls 700 hp and over 640 ft lb of torque was built by Hye Tech Performance with off the shelf parts-Super Chevy Magazine With a solid roller cam as big as this. 250" chain, cast-iron cam, steel crank heat treated with 3 keys - Chevy V-8 396-400-402. Hydraulic Roller. BBC 477 to 496 with 4. 25" stroke with Air Flow Research 290 or 305 heads to a max of 6000 rpm. Torque to 25 ft/lbs. Big Block Chevy (BBC) Mechanical Roller Cam, Comp Cams Roller, Lifters, PAC Springs, Stud Girdle +$480 496 BBC Forged Power • 540/496 BBC Pro Street/Strip. Every single product we sell undergoes extensive testing and analysis to ensure the end result is a superior product that can withstand demanding race conditions. the heads have been an aftermarket 320 rec port head. Use CamQuest to select the perfect camshaft and valve train setup by answering a few application-specific questions. 1 Ltr 496 CID Conversion studs, 7/16" Top threads with 10 X 1. World's top manufacturer of performance camshafts, lifters, valve springs, rocker arms and related valve train parts for all race and street performance engines. 1970m22ls6 5,424 views. Using our quick and easy upload process, performance enthusiasts like yourself have uploaded videos of their vehicles with aftermarket camshafts installed. The Racer's Company. It was a 10. Roller Cam For On Demand Power. This cam will produce over 600HP with a single plane and right at 600HP with an air-gap intake. this engine will make 717hp on 92 octane fuel (premium pump gas). I've dyno'd lots of engines with this cam in it and I have replaced everyone of them with our cam. 00 gm ls1-ls2-ls6 hydraulic roller cam cls260268 510/530 lift 210/215 dur. Jump to Latest Howards solid roller cam 121123-14 specs. Bbc 454 990 Rectangle Port Heads Hi Perf 496 6272990 Ls7 118cc Comp Cam: $999. Should I use an additive, do I run it 2k to 2500 for 20 minutes flucuating regularly. This is our second most popular cam choice in our line of bbc street rod engine builds that range from 454 up to 632 cubic inch. SOLID ROLLER CAM. I have the first cam Chris Straub specified for my 496. Carbonitride and tempered for hardness. Part # ERSE119835. here is a chance for someone to save some money so don't wait or you may be too late. 640 Valve spring Diameter ,but no bigger. Basic Operating RPM Range: 2000-5800. 70 ratio Alum. 005,the cylinders were bored and plate honed 0. 496 BBC 749hp @ 6500rpm & 629tq @ 5500rpm PUMP GAS DYNO proven - $10500 Brodix aluminum heads custom ported, a custom Comp Cams roller cam and roller lifters, an. Our user id is: skipwhite, and our store name is whiteperformance1. Roller Cams Sort by Newest Lowest price Highest price Manufacturer A-Z Manufacturer Z-A Title A-Z Title Z-A Code asc Code desc Page size Short Default Long Longest 11301 - CHEV S/B ROLLER. No extensive cleaning or installation of parts is required. Roller lifter failure 582 big block - Duration: 454 BBC Cam Swap - Duration: 8:25. - 900+ HP PUMP GAS 1. bbc 540ci engine 717hp. Must be reground. $500 takes it Cost over $700 Or try your trades??? Will ship. Braided fuel line. Comp Cams OE HYDRAULIC ROLLER 615/615 Lift 260/266Duration 112 Lobe Sep. 5 thread on the bottom, and 7/16x20 on the top, that will work with all 7/16 BBC adjust nuts. AFR BBC heads use an all new casting that is second to none in the industry Industry leading CNC porting expertise and experience, AFR pioneered production CNC head porting Severe Duty hardware and. I do not have the cam card at all just the specs of the cam itself. Al is the only one that will. You could use it as is or get it re-ground. AFR CNC Ported BB Chev 335cc Magnum Alloy Cylinder Heads Competition Package 121cc Chamber AUD$5,290. 496 bbc part out. Hydraulic Roller Camshaft - Part Number 120255-12 (12025512) by Howards Cams. prw roller rockers with stud girdle $225. Roller Camshaft/Lifter package for better streetability and a little more power! ATK HP411P Chevy 489CI Base Engine 565HP Gen V. I have the first cam Chris Straub specified for my 496. Heads don't flow if the valves are shut. The two don’t necessarily need to be used together. Flat Tappet – A roller lifter will reduce friction and cam lobe failures. This cam has the #4. Erson Hydraulic roller cam. Roller camshaft lifters are equipped with an actual roller that rides on the cam lobe. both made around 648 Hp and 650 TQ nice street motor. Special Grind Camshafts 01-000-8This cam has a step nose for use in oe roller blocks. from BluePrint Engines. Carbonitride and tempered for hardness. Hydraulic Roller Cam- BBC suggestions November 21st, 2011, 02:29 PM Earlier this year, I bought a 454 out of an RV that is real good shape EXCEPT for a burnt valve. At the heart of the engine is an Isky hydraulic roller cam and Cloyes double roller timing chain. In addition to our Chevy or GM compatible crate engines, we also offer crate motors compatible to fit your Ford and Chrysler vehicles. Thinking AFR Heads around 305cc Roller cam off shelf non custom grind but dont want wrong power curve dont want too big and have no bottom end power. Stock Rocker vs Roller Rocker Introduction to Finite Elements December 2003 to the proper dimensions. Click To Enlarge Item #: RP-330-274; Be the first to write a review HYDRAULIC ROLLER CAM. New 4340 H beam rods 6. Crower builds performance racing parts from camshafts to crankshafts. Lots of lift, not a lot of. Ultradyne BBC solid roller cam brand new in box. This cam will produce over 600HP with a single plane and right at 600HP with an air-gap intake. The quicker the better (ours are the quickest, like a roller cam). The ZZ502 camshaft is installed along with ARP rocker studs and aluminum roller rockers. 778lash hot I 030degree lobe at 112came out of 582 bbc, alcohol, 4578separation 114gross valve lift 050 duration I 286 e 296lobe. bbc hydraulic roller cam. Many Cams are available to choose from. All my reading says that this is too loose and should probably set to. 737 solid roller cam the valve adjustment is. A hydrolic roller is good for all around power like street and strip but is limited to around 6500-6600 rpm's. 75 comp, Brodix heads, 4150 carb, 4-speed, 411 gears What are some good cam/intake combos? Im thinking roller cam and a victor jr intake. I'm one of the victims of the BBC cam lobe wipe problem. Hydraulic Roller Lifter Camshafts Custom grinds available as well. 1978 Syndicate Runner Bottom Blown 496 bbc. Install new camshaft with new sprockets and timing chain. the cam should work, especially if you stroke it to 496 and get the true static compression up around 9. Braided fuel line. Hear your vehicle with a cam!. Big Block Chevy (BBC) Mechanical Roller Cam, Comp Cams Roller, Lifters, PAC Springs, Stud Girdle +$480 496 BBC Forged Power • 540/496 BBC Pro Street/Strip. Cars & Trucks Motorcycles Other Vehicles & Trailers Boats Powersports Parts & Accessories Automotive. 648 lift cam either solid or hydrayilc rollers. COMP CAMS/HOWARDS PERFORMANCE ROLLER CAMSHAFT 237/243 DURATION. 00 long Cut for stroker crank. That is a tiny cam in a 496, the 325cc heads are big for such a low RPM operating range. Choose Options. Gen 4 Bbc eagle crankshaft h beam rods dart intake dominator built by ace crankshaft solid roller lunati cam rockers and rollers. Ended up being to much motor for the car, damn thing kept breaking things. Howards Cams # CL120405-12 - BBC Hydraulic Roller Cam & Lifter Kit. Since then I've learned of lots of people having trouble specifically with Comps Cams hydraulic flat-tappet cams. The ZZ502 camshaft is installed along with ARP rocker studs and aluminum roller rockers. 750 max lift cam$2110pair. All heads are available with a 1. 714" Lift 286/294 BBC P/N 138101 at Walmart. If a chic term exists in the performance aftermarket, it is probably "roller cams. Used (normal wear), BBC Solid Roller Cam Has very little use on it less then 2 hours run time. Or, an engine might feature roller rockers but not a roller cam. I don't remember anything on the cam card about break in. I run a 496 (actually its a 505) with a Bullet solid roller 262/271 with. BBC Chevy 496-572 Comp Cams 615/615 Lift 260/266 Dur OE Hyd. Hydraulic Roller Lifter Camshafts Custom grinds available as well. 2:1 comp Th400 33 tire with a 5. 496 Big Block Chevy 900 HP Drag Race Engine 7600 RPM Dyno Pull - Duration:. Every thing else being equal a 496 wants a tighter lobe separation than a 454. Hydraulic Roller Camshaft - Part Number 120255-12 (12025512) by Howards Cams. Glen, Sep 28, 2009. Part number: 01-000-8615/615 lift. Locate the Cam you've been searching for from RacingJunk Classifieds. Raylar has developed 10 camshaft profiles for the 496-8. The ramp rates between a Hydraulic and a solid are completely different. Olive Branch, MS. Advance: 0; Application:. duration @050. Cam Bearing Roller Bearing Conversion, CNC Engine Block Blue Printing Race Engines, Marine Performance Engines, Vintage Race Engine, Drag Race Engines, Street Performance Engine Cummins 5. The new cam is from Crower, with their recommended lifters included. 600 HP 468 Big Block "The beginning" We start our build with a Gen V - 4 bolt main 7. This item has been shown 0 times. Special Grind Camshafts 01-000-8This cam has a step nose for use in oe roller blocks. Flow Numbers for these Heads:. 5-1 compression or more and 4. Erson E119835 - Erson Cams - SBC RETRO HYD ROLLER RH2 RH294-2. A solid roller is the best set up for full on power. here is a chance for someone to save some money so don't wait or you may be too late. 9 Performance Engines National and International Service, IL,IN,MO,KY,WI,IA ">. All my reading says that this is too loose and should probably set to. The motor so say is running 11. The ramp rates between a Hydraulic and a solid are completely different. 25" stroke with AFR 290 or 305 heads to a max of 6200 rpm. Basic Operating RPM Range: 2400-6000. Part number: 01-000-8615/615 lift. Only at www. Just switched to a solid roller with 714 lift so we will see what that does in the next week. 496 bbc street engine bre roller cam button, lock plate & bolt kit bre 2. Looking for the right Bbc Hydraulic Roller Camshaft today? Find your next Bbc Hydraulic Roller Camshaft and other auto parts and accessories for sale on Ebay today. 2:1 comp Th400 33 tire with a 5. Comp Cams OE HYDRAULIC ROLLER 615/615 Lift 260/266Duration 112 Lobe Sep. The two don’t necessarily need to be used together. the heads have been an aftermarket 320 rec port head. Install new camshaft with new sprockets and timing chain. This 496 cid stroker rat engine pulls 700 hp and over 640 ft lb of torque was built by Hye Tech Performance with off the shelf parts-Super Chevy Magazine With a solid roller cam as big as this. 530 inch spring for mechanical flat tappet and hydraulic roller cams or a 1. I need help choosing a solid roller cam and lifters for my 496 pump gas motor 10. STREET ENGINE BBC 632 cu. Using our proprietary Inverse Radius technology, these profiles offer more area over the nose with less overlap, resulting in more horsepower and torque without sacrificing idle-smoothness and reliability. This 496 cubic inch motor uses a DART SHP block bored 4. Including a Large Selection of New, Used and Surplus Engines for Sale. Engine Displacement, Long Block Crate Engine Type. Has an Edlebrock #7561 air-gap intake. 060 over,and the main journals have been align honed. Special Grind Camshafts 01-000-8This cam has a step nose for use in oe roller blocks. possible bent valve. Flow data based on Cylinder #1 intake and exhaust port. I am pretty much looking for 500-600 hp or more if its cheap. Every thing else being equal a 496 wants a tighter lobe separation than a 454. BBC-Profiler Sniper as Cast heads cnc chamber 290cc or 320cc, 119cc chamber assembled for Solid roller cam Ti retainers. The higher spring pressures will loosen press-in studs. It was a 496. -Chinese Imitation Head 200cc, straight or angle plug, 64cc chamber, assembled for flat tappet or Hydraulic roller $800 solid Roller $900. Hydraulic Roller Cam Forged Crank Hypereutectic Pistons. PERFORMANCE TIMING SETS Engine Pro performance timing sets are manufactured with top quality features such as: Heat treated steel and pre-stretched chain that is designed to prevent elongation and stretching. Purchase 138091 Crane Roller Cam BBC 3500-7000rpm. The name of the game is flow. These heads feature. Looking for the right Big Block Chevy Roller Cam today? Find your next Big Block Chevy Roller Cam and other auto parts and accessories for sale on Ebay today. 050 duration. 550 inch spring for use with mechanical roller cams, both good up to. do NOT contact me with unsolicited services or offers. 4L (454) block. I dont think that cam is even near too big for the street. 332-42R BBC Solid Roller Camshaft RPM Range: 5000-8000. from what i heard a basic 496 build will yield 500+. the lifters are also crane. 4340 crank and h-beam rods, comp cams hydraulic roller cam, 15854-16 short travel hp lifters, 1620-16 rockers. The roller cam will have much more rounded lobes, like the big end of an egg. No matter what you're driving, we have the right Bbc Roller Camshaft for your vehicle New and Used Automotive Parts and Accessories On Sale. Currently has a professionally built BBC 496 full forged engine with over 600 HORSEPOWER and 600+ torque. So, among other advantages, a roller cam offers much more lift potential for the same amount of duration. Manufactured to fit early or late model blocks, including blocks with tall lifter bosses. This must be checked with. The build sheet is at the lower part of this listing. 496ci BBC with a Chris Straub roller cam and Flowmaster Delta force 3" mufflers. We transform a rather bland Chevy 454 block into a mean 496 big block using an Eagle stroker kit, Edelbrock dual-plane intake, COMP cams, lifters and rockers, and more - Popular Hot Rodding Magazine. COMP Cams 11-445-8 Xtreme Marine 218/224 Hydraulic Roller Cam for Chevrolet Big Block 396-454. Hydraulic Roller Cam Forged Crank Hypereutectic Pistons. Comp Cams BBC Gen 4 & 5 Hydraulic Roller Camshaft Cam & Lifter Kit Hydraulic Roller - this is an upgrade to a HP 500 cam providing maximum torque and horsepower from a long riser wet perf exhaust. Glen, Sep 28, 2009. This cam will produce over 600HP with a single plane and right at 600HP with an air-gap intake. I have the first cam Chris Straub specified for my 496. These have approx. possible bent valve. Good 496 BBC pump gas combo. Important note. It was a 496. After the body of the roller rocker is created, the next step is to make all the other components, consisting of the roller pin, roller, needle bearing housing, bearing. CNC-Motorsports offers an endless variety of BBC 496 stroker kits. We offer a variety of Bbc Chevy Aluminum Heads for your automotive needs. This cam has been in a couple engines and has some roller marks on the lobes. Stock, cast lifters will crack under high spring pressure at high rpm. My old 454 with RV cam and 8:1 compression was getting really tired and using a 2 quarts of oil every trip to the lake so I decided to freshen it up this winter. Putting the engine in tomorrow maybe firing it up Sunday if all goes well. I have the first cam Chris Straub specified for my 496. "No Name" aluminum heads that did not match the manifold worth a darn. 88 Exhaust Valve. The springs on the head are too much pressure for the cam material. Chevy BBC 427 454 HP Stage 3 527/544 Lift Cam Roller Camshaft MC22236. Roller - 235/235 -. 496ci BBC with a Chris Straub roller cam and Flowmaster Delta force 3" mufflers. It was a 496. I am sorting out a 68 Camaro with a 496 w/ aluminum heads and solid roller I just purchased. Chevy BBC 427 454 HP Stage 4 508/496 Lift Cam Camshaft MC22396 Engine Pro $114. Since the 1960s, Lunati has manufactured engine components of the highest quality using cutting-edge technology. Can be used on some Mark IV 454's if the block is machined for the thrust plate and has the two holes under the cam gear - some blocks have this provision, some don't visual inspection is necessary. Stock, cast lifters will crack under high spring pressure at high rpm. Always use Screw-In Rocker Arm Studs with a hydraulic roller camshaft. Only at www. So I am really looking into building a 496 for my 78 since the tax return paid off all the bills My question is what is the best/cheapest way to build it. It happened to me with a very mild hydraulic roller from Comp Cams, DESPITE following proper break-in procedure. Roller cams have a lightning fast ramp speed. It was a 10. You could use it as is or get it re-ground. 060 headgaskets itll have 8;7-1 final. 215" diameter. Good 496 BBC pump gas combo. Right about 10. You might hear the sound a little, but the engine will be lazy on the bottom end. 496ci BBC head test here: Big-Block Cylinder Head Test- Car Craft Magazine My point is this:Regardless of cam, I'd run the peanut ports. After the body of the roller rocker is created, the next step is to make all the other components, consisting of the roller pin, roller, needle bearing housing, bearing. Howards Cams Retrofit Cam & Lifter Sets are perfect for the performance enthusiast wanting to up grade to a performance Hydraulic Roller cam without breaking the bank. Roller Cam For On Demand Power.